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authorJoseph Myers <joseph@codesourcery.com>2013-03-27 14:38:44 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-03-27 14:38:44 +0000
commit3a7182a14becbf3149419bdbaff4388b636c9f31 (patch)
tree16616a6c0915ec7099fcd318204f8e5741571b29
parent28831a9a671b109e49d0a4ddce00a08d734bfc97 (diff)
downloadglibc-3a7182a14becbf3149419bdbaff4388b636c9f31.tar.gz
glibc-3a7182a14becbf3149419bdbaff4388b636c9f31.tar.xz
glibc-3a7182a14becbf3149419bdbaff4388b636c9f31.zip
Fix casinh inaccuracy near i, imaginary part > 1 (bug 15307).
-rw-r--r--ChangeLog14
-rw-r--r--NEWS2
-rw-r--r--math/k_casinh.c32
-rw-r--r--math/k_casinhf.c33
-rw-r--r--math/k_casinhl.c33
-rw-r--r--math/libm-test.inc393
-rw-r--r--sysdeps/i386/fpu/libm-test-ulps340
-rw-r--r--sysdeps/x86_64/fpu/libm-test-ulps368
8 files changed, 1214 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index f7f83fb08f..a6dd122a46 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2013-03-27  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #15307]
+	* math/k_casinh.c (__kernel_casinh): Handle arguments with
+	imaginary part between 1.0 and 1.5 and real part less than 0.5
+	specially.
+	* math/k_casinhf.c (__kernel_casinhf): Likewise.
+	* math/k_casinhl.c (__kernel_casinhl): Likewise.
+	* math/libm-test.inc (cacos_test): Add more tests.
+	(casin_test): Likewise.
+	(casinh_test): Likewise.
+	* sysdeps/i386/fpu/libm-test-ulps: Update.
+	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
+
 2013-03-26  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
 	* sysdeps/ieee754/dbl-64/mpa.c (__acr): Use integral
diff --git a/NEWS b/NEWS
index 8bb43ecbdb..11c79bb488 100644
--- a/NEWS
+++ b/NEWS
@@ -12,7 +12,7 @@ Version 2.18
   11120, 11561, 12723, 13550, 13889, 13951, 14142, 14176, 14200, 14317,
   14327, 14496, 14812, 14920, 14964, 14981, 14982, 14985, 14994, 14996,
   15003, 15006, 15020, 15023, 15036, 15054, 15055, 15062, 15078, 15160,
-  15232, 15234, 15283, 15285, 15287.
+  15232, 15234, 15283, 15285, 15287, 15307.
 
 * Add support for calling C++11 thread_local object destructors on thread
   and program exit.  This needs compiler support for offloading C++11
diff --git a/math/k_casinh.c b/math/k_casinh.c
index 45845e2164..4cb232a17a 100644
--- a/math/k_casinh.c
+++ b/math/k_casinh.c
@@ -77,6 +77,38 @@ __kernel_casinh (__complex__ double x, int adj)
       else
 	__imag__ res = __ieee754_atan2 (s, rx);
     }
+  else if (ix > 1.0 && ix < 1.5 && rx < 0.5)
+    {
+      if (rx < DBL_EPSILON * DBL_EPSILON)
+	{
+	  double ix2m1 = (ix + 1.0) * (ix - 1.0);
+	  double s = __ieee754_sqrt (ix2m1);
+
+	  __real__ res = __log1p (2.0 * (ix2m1 + ix * s)) / 2.0;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2 (rx, __copysign (s, __imag__ x));
+	  else
+	    __imag__ res = __ieee754_atan2 (s, rx);
+	}
+      else
+	{
+	  double ix2m1 = (ix + 1.0) * (ix - 1.0);
+	  double rx2 = rx * rx;
+	  double f = rx2 * (2.0 + rx2 + 2.0 * ix * ix);
+	  double d = __ieee754_sqrt (ix2m1 * ix2m1 + f);
+	  double dp = d + ix2m1;
+	  double dm = f / dp;
+	  double r1 = __ieee754_sqrt ((dm + rx2) / 2.0);
+	  double r2 = rx * ix / r1;
+
+	  __real__ res = __log1p (rx2 + dp + 2.0 * (rx * r1 + ix * r2)) / 2.0;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2 (rx + r1, __copysign (ix + r2,
+								 __imag__ x));
+	  else
+	    __imag__ res = __ieee754_atan2 (ix + r2, rx + r1);
+	}
+    }
   else if (ix == 1.0 && rx < 0.5)
     {
       if (rx < DBL_EPSILON / 8.0)
diff --git a/math/k_casinhf.c b/math/k_casinhf.c
index 4d1a92f813..b368313390 100644
--- a/math/k_casinhf.c
+++ b/math/k_casinhf.c
@@ -77,6 +77,39 @@ __kernel_casinhf (__complex__ float x, int adj)
       else
 	__imag__ res = __ieee754_atan2f (s, rx);
     }
+  else if (ix > 1.0f && ix < 1.5f && rx < 0.5f)
+    {
+      if (rx < FLT_EPSILON * FLT_EPSILON)
+	{
+	  float ix2m1 = (ix + 1.0f) * (ix - 1.0f);
+	  float s = __ieee754_sqrtf (ix2m1);
+
+	  __real__ res = __log1pf (2.0f * (ix2m1 + ix * s)) / 2.0f;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2f (rx, __copysignf (s, __imag__ x));
+	  else
+	    __imag__ res = __ieee754_atan2f (s, rx);
+	}
+      else
+	{
+	  float ix2m1 = (ix + 1.0f) * (ix - 1.0f);
+	  float rx2 = rx * rx;
+	  float f = rx2 * (2.0f + rx2 + 2.0f * ix * ix);
+	  float d = __ieee754_sqrtf (ix2m1 * ix2m1 + f);
+	  float dp = d + ix2m1;
+	  float dm = f / dp;
+	  float r1 = __ieee754_sqrtf ((dm + rx2) / 2.0f);
+	  float r2 = rx * ix / r1;
+
+	  __real__ res
+	    = __log1pf (rx2 + dp + 2.0f * (rx * r1 + ix * r2)) / 2.0f;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2f (rx + r1, __copysignf (ix + r2,
+								   __imag__ x));
+	  else
+	    __imag__ res = __ieee754_atan2f (ix + r2, rx + r1);
+	}
+    }
   else if (ix == 1.0f && rx < 0.5f)
     {
       if (rx < FLT_EPSILON / 8.0f)
diff --git a/math/k_casinhl.c b/math/k_casinhl.c
index eb090ec3ce..8e5bbd4385 100644
--- a/math/k_casinhl.c
+++ b/math/k_casinhl.c
@@ -84,6 +84,39 @@ __kernel_casinhl (__complex__ long double x, int adj)
       else
 	__imag__ res = __ieee754_atan2l (s, rx);
     }
+  else if (ix > 1.0L && ix < 1.5L && rx < 0.5L)
+    {
+      if (rx < LDBL_EPSILON * LDBL_EPSILON)
+	{
+	  long double ix2m1 = (ix + 1.0L) * (ix - 1.0L);
+	  long double s = __ieee754_sqrtl (ix2m1);
+
+	  __real__ res = __log1pl (2.0L * (ix2m1 + ix * s)) / 2.0L;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2l (rx, __copysignl (s, __imag__ x));
+	  else
+	    __imag__ res = __ieee754_atan2l (s, rx);
+	}
+      else
+	{
+	  long double ix2m1 = (ix + 1.0L) * (ix - 1.0L);
+	  long double rx2 = rx * rx;
+	  long double f = rx2 * (2.0L + rx2 + 2.0L * ix * ix);
+	  long double d = __ieee754_sqrtl (ix2m1 * ix2m1 + f);
+	  long double dp = d + ix2m1;
+	  long double dm = f / dp;
+	  long double r1 = __ieee754_sqrtl ((dm + rx2) / 2.0L);
+	  long double r2 = rx * ix / r1;
+
+	  __real__ res
+	    = __log1pl (rx2 + dp + 2.0L * (rx * r1 + ix * r2)) / 2.0L;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2l (rx + r1, __copysignl (ix + r2,
+								   __imag__ x));
+	  else
+	    __imag__ res = __ieee754_atan2l (ix + r2, rx + r1);
+	}
+    }
   else if (ix == 1.0L && rx < 0.5L)
     {
       if (rx < LDBL_EPSILON / 8.0L)
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 85ae23f838..0ea456bb94 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -1605,6 +1605,137 @@ cacos_test (void)
   TEST_c_c (cacos, -1.0L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 9.023632056840860275214893047597614177639e-2467L);
 #endif
 
+  TEST_c_c (cacos, 0x1p-23L, 0x1.000002p0L, 1.570796242501204621739026081991856762292L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, 0x1p-23L, -0x1.000002p0L, 1.570796242501204621739026081991856762292L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, -0x1p-23L, 0x1.000002p0L, 1.570796411088588616723617301287646121905L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, -0x1p-23L, -0x1.000002p0L, 1.570796411088588616723617301287646121905L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (cacos, 0x1.000002p0L, 0x1p-23L, 2.222118384408546368406374049167636760903e-4L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, 0x1p-23L, 3.141370441751352383825802745874586120521L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, 0x1.000002p0L, -0x1p-23L, 2.222118384408546368406374049167636760903e-4L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, -0x1p-23L, 3.141370441751352383825802745874586120521L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (cacos, 0x1.fp-129L, 0x1.000002p0L, 1.570796326794896619231321691639751442097L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0x1.fp-129L, -0x1.000002p0L, 1.570796326794896619231321691639751442097L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0x1.fp-129L, 0x1.000002p0L, 1.570796326794896619231321691639751442101L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0x1.fp-129L, -0x1.000002p0L, 1.570796326794896619231321691639751442101L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0x1.000002p0L, 0x1.fp-129L, 5.830451806317544230969669308596361881467e-36L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, 0x1.fp-129L, 3.141592653589793238462643383279502878367L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, 0x1.000002p0L, -0x1.fp-129L, 5.830451806317544230969669308596361881467e-36L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, -0x1.fp-129L, 3.141592653589793238462643383279502878367L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, 0.0L, 0x1.000002p0L, 1.570796326794896619231321691639751442099L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.000002p0L, 1.570796326794896619231321691639751442099L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.000002p0L, 1.570796326794896619231321691639751442099L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.000002p0L, 1.570796326794896619231321691639751442099L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (cacos, 0x1.000002p0L, 0.0L, 0.0L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, 0.0L, 3.141592653589793238462643383279502884197L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, 0x1.000002p0L, -0.0L, 0.0L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (cacos, -0x1.000002p0L, -0.0L, 3.141592653589793238462643383279502884197L, 4.882812451493617206486388134172712975070e-4L)
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1p-52L, 0x1.0000000000001p0L, 1.570796326794896462222075823262262934288L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, 0x1p-52L, -0x1.0000000000001p0L, 1.570796326794896462222075823262262934288L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, -0x1p-52L, 0x1.0000000000001p0L, 1.570796326794896776240567560017239949909L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, -0x1p-52L, -0x1.0000000000001p0L, 1.570796326794896776240567560017239949909L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, 0x1p-52L, 9.590301705980041385828904092662391018164e-9L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, 0x1p-52L, 3.141592643999491532482601997450598791535L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, -0x1p-52L, 9.590301705980041385828904092662391018164e-9L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, -0x1p-52L, 3.141592643999491532482601997450598791535L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, 0x1.fp-1025L, 2.557178503953494342609835913586108008322e-301L, -2.107342425544701550354780375182800088393e-8L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, 0x1.fp-1025L, 3.141592653589793238462643383279502884197L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, -0x1.fp-1025L, 2.557178503953494342609835913586108008322e-301L, 2.107342425544701550354780375182800088393e-8L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, -0x1.fp-1025L, 3.141592653589793238462643383279502884197L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, 0.0L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.0000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, 0.0L, 0.0L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, 0.0L, 3.141592653589793238462643383279502884197L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, 0x1.0000000000001p0L, -0.0L, 0.0L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (cacos, -0x1.0000000000001p0L, -0.0L, 3.141592653589793238462643383279502884197L, 2.107342425544701550354780375182800088393e-8L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (cacos, 0x1p-63L, 0x1.0000000000000002p0L, 1.570796326794896619154657020805582738031L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, 0x1p-63L, -0x1.0000000000000002p0L, 1.570796326794896619154657020805582738031L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, -0x1p-63L, 0x1.0000000000000002p0L, 1.570796326794896619307986362473920146166L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, -0x1p-63L, -0x1.0000000000000002p0L, 1.570796326794896619307986362473920146166L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, 0x1p-63L, 2.119177303101063432592523199680782317447e-10L, -5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, 0x1p-63L, 3.141592653377875508152537040020250564229L, -5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, -0x1p-63L, 2.119177303101063432592523199680782317447e-10L, 5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, -0x1p-63L, 3.141592653377875508152537040020250564229L, 5.116146586219826555037807251857670783420e-10L)
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, 0x1.fp-16385L, 1.748608650034385653922359120438227480943e-4923L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, 0x1.fp-16385L, 3.141592653589793238462643383279502884197L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, -0x1.fp-16385L, 1.748608650034385653922359120438227480943e-4923L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 4.656612873077392578082927418388212703712e-10L)
+# endif
+  TEST_c_c (cacos, 0.0L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.0000000000000002p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, 0.0L, 0.0L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, 0.0L, 3.141592653589793238462643383279502884197L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, 0x1.0000000000000002p0L, -0.0L, 0.0L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (cacos, -0x1.0000000000000002p0L, -0.0L, 3.141592653589793238462643383279502884197L, 4.656612873077392578082927418388212703712e-10L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (cacos, 0x1p-106L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639742726335L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1p-106L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639742726335L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1p-106L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639760157863L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1p-106L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639760157863L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, 0x1p-106L, 5.394221422390606848017034778914096659726e-17L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, 0x1p-106L, 3.141592653589793184520429159373434404027L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, -0x1p-106L, 5.394221422390606848017034778914096659726e-17L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, -0x1p-106L, 3.141592653589793184520429159373434404027L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 2.426922623448365473354662093431821897807e-293L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 3.141592653589793238462643383279502884197L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 2.426922623448365473354662093431821897807e-293L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 3.141592653589793238462643383279502884197L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, 0.0L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.000000000000000000000000008p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, 0.0L, 0.0L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, 0.0L, 3.141592653589793238462643383279502884197L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, 0x1.000000000000000000000000008p0L, -0.0L, 0.0L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (cacos, -0x1.000000000000000000000000008p0L, -0.0L, 3.141592653589793238462643383279502884197L, 2.220446049250313080847263336181636063482e-16L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (cacos, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751374007L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751374007L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1p-113L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751510190L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1p-113L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751510190L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 4.767863183742677481693563511435642755521e-18L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, 0x1p-113L, 3.141592653589793233694780199536825402504L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 4.767863183742677481693563511435642755521e-18L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0x1p-113L, 3.141592653589793233694780199536825402504L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 4.148847925325683229178506116378864361396e-4916L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 3.141592653589793238462643383279502884197L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 4.148847925325683229178506116378864361396e-4916L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 3.141592653589793238462643383279502884197L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, 0.0L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0.0L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0.0L, 0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, -0.0L, -0x1.0000000000000000000000000001p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, 0.0L, 0.0L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, 0.0L, 3.141592653589793238462643383279502884197L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, 0x1.0000000000000000000000000001p0L, -0.0L, 0.0L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0.0L, 3.141592653589793238462643383279502884197L, 1.962615573354718824241727964954454332780e-17L)
+#endif
+
   TEST_c_c (cacos, 0.75L, 1.25L, 1.11752014915610270578240049553777969L, -1.13239363160530819522266333696834467L);
   TEST_c_c (cacos, -2, -3, 2.1414491111159960199416055713254211L, 1.9833870299165354323470769028940395L);
 
@@ -2001,6 +2132,137 @@ casin_test (void)
   TEST_c_c (casin, -1.0L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -9.023632056840860275214893047597614177639e-2467L);
 #endif
 
+  TEST_c_c (casin, 0x1p-23L, 0x1.000002p0L, 8.429369199749229560964789467980644296420e-8L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, 0x1p-23L, -0x1.000002p0L, 8.429369199749229560964789467980644296420e-8L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, -0x1p-23L, 0x1.000002p0L, -8.429369199749229560964789467980644296420e-8L, 8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, -0x1p-23L, -0x1.000002p0L, -8.429369199749229560964789467980644296420e-8L, -8.813736713132400470205730751186547909968e-1L)
+  TEST_c_c (casin, 0x1.000002p0L, 0x1p-23L, 1.570574114956455764594481054234834678422L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, 0x1p-23L, -1.570574114956455764594481054234834678422L, 5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, 0x1.000002p0L, -0x1p-23L, 1.570574114956455764594481054234834678422L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, -0x1p-23L, -1.570574114956455764594481054234834678422L, -5.364668491573609633134147164031476452679e-4L)
+  TEST_c_c (casin, 0x1.fp-129L, 0x1.000002p0L, 2.013062444707472738895109955455676357057e-39L, 8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, 0x1.fp-129L, -0x1.000002p0L, 2.013062444707472738895109955455676357057e-39L, -8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, -0x1.fp-129L, 0x1.000002p0L, -2.013062444707472738895109955455676357057e-39L, 8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, -0x1.fp-129L, -0x1.000002p0L, -2.013062444707472738895109955455676357057e-39L, -8.813736713132375348727889167749389235161e-1L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casin, 0x1.000002p0L, 0x1.fp-129L, 1.570796326794896619231321691639751436268L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, 0x1.fp-129L, -1.570796326794896619231321691639751436268L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, 0x1.000002p0L, -0x1.fp-129L, 1.570796326794896619231321691639751436268L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, -0x1.fp-129L, -1.570796326794896619231321691639751436268L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, 0.0L, 0x1.000002p0L, 0.0L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.000002p0L, 0.0L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.000002p0L, -0.0L, 8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.000002p0L, -0.0L, -8.813736713132375348727889167749389235161e-1L)
+  TEST_c_c (casin, 0x1.000002p0L, 0.0L, 1.570796326794896619231321691639751442099L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, 0.0L, -1.570796326794896619231321691639751442099L, 4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, 0x1.000002p0L, -0.0L, 1.570796326794896619231321691639751442099L, -4.882812451493617206486388134172712975070e-4L)
+  TEST_c_c (casin, -0x1.000002p0L, -0.0L, -1.570796326794896619231321691639751442099L, -4.882812451493617206486388134172712975070e-4L)
+#ifndef TEST_FLOAT
+  TEST_c_c (casin, 0x1p-52L, 0x1.0000000000001p0L, 1.570092458683774885078102529858632363236e-16L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, 0x1p-52L, -0x1.0000000000001p0L, 1.570092458683774885078102529858632363236e-16L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, -0x1p-52L, 0x1.0000000000001p0L, -1.570092458683774885078102529858632363236e-16L, 8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, -0x1p-52L, -0x1.0000000000001p0L, -1.570092458683774885078102529858632363236e-16L, -8.813735870195431822418551933572982483664e-1L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, 0x1p-52L, 1.570796317204594913251280305810847349436L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, 0x1p-52L, -1.570796317204594913251280305810847349436L, 2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, -0x1p-52L, 1.570796317204594913251280305810847349436L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, -0x1p-52L, -1.570796317204594913251280305810847349436L, -2.315303644582684770975188768022139415020e-8L)
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1.0000000000001p0L, 3.810492908885321320083608113679347200012e-309L, 8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1.0000000000001p0L, 3.810492908885321320083608113679347200012e-309L, -8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1.0000000000001p0L, -3.810492908885321320083608113679347200012e-309L, 8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1.0000000000001p0L, -3.810492908885321320083608113679347200012e-309L, -8.813735870195431822418551933572895326024e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.0000000000001p0L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, 0x1.fp-1025L, -1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, -0x1.fp-1025L, -1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, 0.0L, 0x1.0000000000001p0L, 0.0L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.0000000000001p0L, 0.0L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.0000000000001p0L, -0.0L, 8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.0000000000001p0L, -0.0L, -8.813735870195431822418551933572895326024e-1L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, 0.0L, 1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, 0.0L, -1.570796326794896619231321691639751442099L, 2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, 0x1.0000000000001p0L, -0.0L, 1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+  TEST_c_c (casin, -0x1.0000000000001p0L, -0.0L, -1.570796326794896619231321691639751442099L, -2.107342425544701550354780375182800088393e-8L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (casin, 0x1p-63L, 0x1.0000000000000002p0L, 7.666467083416870406778649849746878368519e-20L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, 0x1p-63L, -0x1.0000000000000002p0L, 7.666467083416870406778649849746878368519e-20L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, -0x1p-63L, 0x1.0000000000000002p0L, -7.666467083416870406778649849746878368519e-20L, 8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, -0x1p-63L, -0x1.0000000000000002p0L, -7.666467083416870406778649849746878368519e-20L, -8.813735870195430253092739958139610131001e-1L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, 0x1p-63L, 1.570796326582978888921215348380499122131L, 5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, 0x1p-63L, -1.570796326582978888921215348380499122131L, 5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, -0x1p-63L, 1.570796326582978888921215348380499122131L, -5.116146586219826555037807251857670783420e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, -0x1p-63L, -1.570796326582978888921215348380499122131L, -5.116146586219826555037807251857670783420e-10L)
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1.0000000000000002p0L, 5.757683115456107043819140328235418018963e-4933L, 8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1.0000000000000002p0L, 5.757683115456107043819140328235418018963e-4933L, -8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1.0000000000000002p0L, -5.757683115456107043819140328235418018963e-4933L, 8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1.0000000000000002p0L, -5.757683115456107043819140328235418018963e-4933L, -8.813735870195430253092739958139610130980e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, 0x1.fp-16385L, -1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+# endif
+  TEST_c_c (casin, 0.0L, 0x1.0000000000000002p0L, 0.0L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.0000000000000002p0L, 0.0L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.0000000000000002p0L, -0.0L, 8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.0000000000000002p0L, -0.0L, -8.813735870195430253092739958139610130980e-1L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, 0.0L, 1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, 0.0L, -1.570796326794896619231321691639751442099L, 4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, 0x1.0000000000000002p0L, -0.0L, 1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+  TEST_c_c (casin, -0x1.0000000000000002p0L, -0.0L, -1.570796326794896619231321691639751442099L, -4.656612873077392578082927418388212703712e-10L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (casin, 0x1p-106L, 0x1.000000000000000000000000008p0L, 8.715763992105246878957416200936726072500e-33L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0x1p-106L, -0x1.000000000000000000000000008p0L, 8.715763992105246878957416200936726072500e-33L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0x1p-106L, 0x1.000000000000000000000000008p0L, -8.715763992105246878957416200936726072500e-33L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0x1p-106L, -0x1.000000000000000000000000008p0L, -8.715763992105246878957416200936726072500e-33L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, 0x1p-106L, 1.570796326794896565289107467733682961928L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, 0x1p-106L, -1.570796326794896565289107467733682961928L, 2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, -0x1p-106L, 1.570796326794896565289107467733682961928L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, -0x1p-106L, -1.570796326794896565289107467733682961928L, -2.285028863093221674154232933662774454211e-16L)
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 3.810492908885321743133304375216570658278e-309L, 8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 3.810492908885321743133304375216570658278e-309L, -8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, -3.810492908885321743133304375216570658278e-309L, 8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, -3.810492908885321743133304375216570658278e-309L, -8.813735870195430252326093249798097405561e-1L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, -1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, -1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, 0.0L, 0x1.000000000000000000000000008p0L, 0.0L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.000000000000000000000000008p0L, 0.0L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.000000000000000000000000008p0L, -0.0L, 8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.000000000000000000000000008p0L, -0.0L, -8.813735870195430252326093249798097405561e-1L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, 0.0L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, 0.0L, -1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, 0x1.000000000000000000000000008p0L, -0.0L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+  TEST_c_c (casin, -0x1.000000000000000000000000008p0L, -0.0L, -1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181636063482e-16L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (casin, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 6.809190618832224124185481406981900518193e-35L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 6.809190618832224124185481406981900518193e-35L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0x1p-113L, 0x1.0000000000000000000000000001p0L, -6.809190618832224124185481406981900518193e-35L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0x1p-113L, -0x1.0000000000000000000000000001p0L, -6.809190618832224124185481406981900518193e-35L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 1.570796326794896614463458507897073960405L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, 0x1p-113L, -1.570796326794896614463458507897073960405L, 2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 1.570796326794896614463458507897073960405L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0x1p-113L, -1.570796326794896614463458507897073960405L, -2.019699255375255198156433710951064632386e-17L)
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 5.757683115456107044131264955348448400014e-4933L, 8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 5.757683115456107044131264955348448400014e-4933L, -8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, -5.757683115456107044131264955348448400014e-4933L, 8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, -5.757683115456107044131264955348448400014e-4933L, -8.813735870195430252326093249797924452120e-1L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, -1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, -1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, 0.0L, 0x1.0000000000000000000000000001p0L, 0.0L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0.0L, -0x1.0000000000000000000000000001p0L, 0.0L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0.0L, 0x1.0000000000000000000000000001p0L, -0.0L, 8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, -0.0L, -0x1.0000000000000000000000000001p0L, -0.0L, -8.813735870195430252326093249797924452120e-1L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, 0.0L, 1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, 0.0L, -1.570796326794896619231321691639751442099L, 1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, 0x1.0000000000000000000000000001p0L, -0.0L, 1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+  TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0.0L, -1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
+#endif
+
   TEST_c_c (casin, 0.75L, 1.25L, 0.453276177638793913448921196101971749L, 1.13239363160530819522266333696834467L);
   TEST_c_c (casin, -2, -3, -0.57065278432109940071028387968566963L, -1.9833870299165354323470769028940395L);
 
@@ -2242,6 +2504,137 @@ casinh_test (void)
   TEST_c_c (casinh, -1.0L, -0x1.fp-16385L, -8.813735870195430252326093249797923090282e-1L, -5.757683115456107044131264955348448954458e-4933L, UNDERFLOW_EXCEPTION);
 #endif
 
+  TEST_c_c (casinh, 0x1p-23L, 0x1.000002p0L, 5.364668491573609633134147164031476452679e-4L, 1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, 0x1p-23L, -0x1.000002p0L, 5.364668491573609633134147164031476452679e-4L, -1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, -0x1p-23L, 0x1.000002p0L, -5.364668491573609633134147164031476452679e-4L, 1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, -0x1p-23L, -0x1.000002p0L, -5.364668491573609633134147164031476452679e-4L, -1.570574114956455764594481054234834678422L)
+  TEST_c_c (casinh, 0x1.000002p0L, 0x1p-23L, 8.813736713132400470205730751186547909968e-1L, 8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, -0x1.000002p0L, 0x1p-23L, -8.813736713132400470205730751186547909968e-1L, 8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, 0x1.000002p0L, -0x1p-23L, 8.813736713132400470205730751186547909968e-1L, -8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, -0x1.000002p0L, -0x1p-23L, -8.813736713132400470205730751186547909968e-1L, -8.429369199749229560964789467980644296420e-8L)
+  TEST_c_c (casinh, 0x1.fp-129L, 0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, 0x1.fp-129L, -0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, -0x1.fp-129L, 0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, -0x1.fp-129L, -0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751436268L)
+  TEST_c_c (casinh, 0x1.000002p0L, 0x1.fp-129L, 8.813736713132375348727889167749389235161e-1L, 2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, -0x1.000002p0L, 0x1.fp-129L, -8.813736713132375348727889167749389235161e-1L, 2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, 0x1.000002p0L, -0x1.fp-129L, 8.813736713132375348727889167749389235161e-1L, -2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, -0x1.000002p0L, -0x1.fp-129L, -8.813736713132375348727889167749389235161e-1L, -2.013062444707472738895109955455676357057e-39L, UNDERFLOW_EXCEPTION_FLOAT)
+  TEST_c_c (casinh, 0.0L, 0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.000002p0L, 4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.000002p0L, -4.882812451493617206486388134172712975070e-4L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.000002p0L, 0.0L, 8.813736713132375348727889167749389235161e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.000002p0L, 0.0L, -8.813736713132375348727889167749389235161e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.000002p0L, -0.0L, 8.813736713132375348727889167749389235161e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.000002p0L, -0.0L, -8.813736713132375348727889167749389235161e-1L, -0.0L)
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1p-52L, 0x1.0000000000001p0L, 2.315303644582684770975188768022139415020e-8L, 1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, 0x1p-52L, -0x1.0000000000001p0L, 2.315303644582684770975188768022139415020e-8L, -1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, -0x1p-52L, 0x1.0000000000001p0L, -2.315303644582684770975188768022139415020e-8L, 1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, -0x1p-52L, -0x1.0000000000001p0L, -2.315303644582684770975188768022139415020e-8L, -1.570796317204594913251280305810847349436L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, 0x1p-52L, 8.813735870195431822418551933572982483664e-1L, 1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, 0x1p-52L, -8.813735870195431822418551933572982483664e-1L, 1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, -0x1p-52L, 8.813735870195431822418551933572982483664e-1L, -1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, -0x1p-52L, -8.813735870195431822418551933572982483664e-1L, -1.570092458683774885078102529858632363236e-16L)
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, 0x1.fp-1025L, 8.813735870195431822418551933572895326024e-1L, 3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, 0x1.fp-1025L, -8.813735870195431822418551933572895326024e-1L, 3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, -0x1.fp-1025L, 8.813735870195431822418551933572895326024e-1L, -3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, -0x1.fp-1025L, -8.813735870195431822418551933572895326024e-1L, -3.810492908885321320083608113679347200012e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0.0L, 0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.0000000000001p0L, 2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.0000000000001p0L, -2.107342425544701550354780375182800088393e-8L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, 0.0L, 8.813735870195431822418551933572895326024e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, 0.0L, -8.813735870195431822418551933572895326024e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.0000000000001p0L, -0.0L, 8.813735870195431822418551933572895326024e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.0000000000001p0L, -0.0L, -8.813735870195431822418551933572895326024e-1L, -0.0L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (casinh, 0x1p-63L, 0x1.0000000000000002p0L, 5.116146586219826555037807251857670783420e-10L, 1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, 0x1p-63L, -0x1.0000000000000002p0L, 5.116146586219826555037807251857670783420e-10L, -1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, -0x1p-63L, 0x1.0000000000000002p0L, -5.116146586219826555037807251857670783420e-10L, 1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, -0x1p-63L, -0x1.0000000000000002p0L, -5.116146586219826555037807251857670783420e-10L, -1.570796326582978888921215348380499122131L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, 0x1p-63L, 8.813735870195430253092739958139610131001e-1L, 7.666467083416870406778649849746878368519e-20L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, 0x1p-63L, -8.813735870195430253092739958139610131001e-1L, 7.666467083416870406778649849746878368519e-20L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, -0x1p-63L, 8.813735870195430253092739958139610131001e-1L, -7.666467083416870406778649849746878368519e-20L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, -0x1p-63L, -8.813735870195430253092739958139610131001e-1L, -7.666467083416870406778649849746878368519e-20L)
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, 0x1.fp-16385L, 8.813735870195430253092739958139610130980e-1L, 5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, 0x1.fp-16385L, -8.813735870195430253092739958139610130980e-1L, 5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, -0x1.fp-16385L, 8.813735870195430253092739958139610130980e-1L, -5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, -0x1.fp-16385L, -8.813735870195430253092739958139610130980e-1L, -5.757683115456107043819140328235418018963e-4933L, UNDERFLOW_EXCEPTION)
+# endif
+  TEST_c_c (casinh, 0.0L, 0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.0000000000000002p0L, 4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.0000000000000002p0L, -4.656612873077392578082927418388212703712e-10L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, 0.0L, 8.813735870195430253092739958139610130980e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, 0.0L, -8.813735870195430253092739958139610130980e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.0000000000000002p0L, -0.0L, 8.813735870195430253092739958139610130980e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000002p0L, -0.0L, -8.813735870195430253092739958139610130980e-1L, -0.0L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (casinh, 0x1p-106L, 0x1.000000000000000000000000008p0L, 2.285028863093221674154232933662774454211e-16L, 1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, 0x1p-106L, -0x1.000000000000000000000000008p0L, 2.285028863093221674154232933662774454211e-16L, -1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, -0x1p-106L, 0x1.000000000000000000000000008p0L, -2.285028863093221674154232933662774454211e-16L, 1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, -0x1p-106L, -0x1.000000000000000000000000008p0L, -2.285028863093221674154232933662774454211e-16L, -1.570796326794896565289107467733682961928L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, 0x1p-106L, 8.813735870195430252326093249798097405561e-1L, 8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, 0x1p-106L, -8.813735870195430252326093249798097405561e-1L, 8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, -0x1p-106L, 8.813735870195430252326093249798097405561e-1L, -8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, -0x1p-106L, -8.813735870195430252326093249798097405561e-1L, -8.715763992105246878957416200936726072500e-33L)
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, 0x1.fp-1025L, 8.813735870195430252326093249798097405561e-1L, 3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, 0x1.fp-1025L, -8.813735870195430252326093249798097405561e-1L, 3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, -0x1.fp-1025L, 8.813735870195430252326093249798097405561e-1L, -3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, -0x1.fp-1025L, -8.813735870195430252326093249798097405561e-1L, -3.810492908885321743133304375216570658278e-309L, UNDERFLOW_EXCEPTION_DOUBLE)
+  TEST_c_c (casinh, 0.0L, 0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.000000000000000000000000008p0L, 2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.000000000000000000000000008p0L, -2.220446049250313080847263336181636063482e-16L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, 0.0L, 8.813735870195430252326093249798097405561e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, 0.0L, -8.813735870195430252326093249798097405561e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.000000000000000000000000008p0L, -0.0L, 8.813735870195430252326093249798097405561e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.000000000000000000000000008p0L, -0.0L, -8.813735870195430252326093249798097405561e-1L, -0.0L)
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (casinh, 0x1p-113L, 0x1.0000000000000000000000000001p0L, 2.019699255375255198156433710951064632386e-17L, 1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, 0x1p-113L, -0x1.0000000000000000000000000001p0L, 2.019699255375255198156433710951064632386e-17L, -1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, -0x1p-113L, 0x1.0000000000000000000000000001p0L, -2.019699255375255198156433710951064632386e-17L, 1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, -0x1p-113L, -0x1.0000000000000000000000000001p0L, -2.019699255375255198156433710951064632386e-17L, -1.570796326794896614463458507897073960405L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, 0x1p-113L, 8.813735870195430252326093249797924452120e-1L, 6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, 0x1p-113L, -8.813735870195430252326093249797924452120e-1L, 6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, -0x1p-113L, 8.813735870195430252326093249797924452120e-1L, -6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0x1p-113L, -8.813735870195430252326093249797924452120e-1L, -6.809190618832224124185481406981900518193e-35L)
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, 8.813735870195430252326093249797924452120e-1L, 5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, 0x1.fp-16385L, -8.813735870195430252326093249797924452120e-1L, 5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, 8.813735870195430252326093249797924452120e-1L, -5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0x1.fp-16385L, -8.813735870195430252326093249797924452120e-1L, -5.757683115456107044131264955348448400014e-4933L, UNDERFLOW_EXCEPTION)
+  TEST_c_c (casinh, 0.0L, 0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0.0L, -0x1.0000000000000000000000000001p0L, 1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, 0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, 1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, -0.0L, -0x1.0000000000000000000000000001p0L, -1.962615573354718824241727964954454332780e-17L, -1.570796326794896619231321691639751442099L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, 0.0L, 8.813735870195430252326093249797924452120e-1L, 0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, 0.0L, -8.813735870195430252326093249797924452120e-1L, 0.0L)
+  TEST_c_c (casinh, 0x1.0000000000000000000000000001p0L, -0.0L, 8.813735870195430252326093249797924452120e-1L, -0.0L)
+  TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0.0L, -8.813735870195430252326093249797924452120e-1L, -0.0L)
+#endif
+
   TEST_c_c (casinh, 0.75L, 1.25L, 1.03171853444778027336364058631006594L, 0.911738290968487636358489564316731207L);
   TEST_c_c (casinh, -2, -3, -1.9686379257930962917886650952454982L, -0.96465850440760279204541105949953237L);
 
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index 27b96ce5f1..5bf58273c9 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -275,6 +275,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0 - 1.5 i) == pi/2 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0.25 + 1.0 i) == 1.747098759571863549650000258275841544745 - 8.924633639033482359562124741744951972772e-1 i":
 double: 1
 idouble: 1
@@ -301,6 +307,30 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000000002p0 + 0x1p-63 i) == 3.141592653377875508152537040020250564229 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: cacos (-0x1.0000000000000002p0 - 0x1p-63 i) == 3.141592653377875508152537040020250564229 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 + 0.0 i) == 3.141592653589793238462643383279502884197 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 + 0x1.fp-1025 i) == 3.141592653589793238462643383279502884197 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 + 0x1p-52 i) == 3.141592643999491532482601997450598791535 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 - 0.0 i) == 3.141592653589793238462643383279502884197 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 - 0x1.fp-1025 i) == 3.141592653589793238462643383279502884197 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 - 0x1p-52 i) == 3.141592643999491532482601997450598791535 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-10 + 1.0 i) == 1.572134236154454360143880041170803681211 - 8.813742198809567991336704287826445879025e-1 i":
 double: 1
 idouble: 1
@@ -339,6 +369,9 @@ idouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442101 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -347,6 +380,9 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442100 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442101 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -419,6 +455,12 @@ ldouble: 1
 Test "Imaginary part of: cacos (-1.5 - 0x1.fp-16385 i) == 3.141592653589793238462643383279502884197 + 9.624236501192068949955178268487368462704e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.25 + 1.0 i) == 1.394493894017929688812643125003661339452 - 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
@@ -457,6 +499,42 @@ float: 1
 ifloat: 1
 ildouble: 2
 ldouble: 2
+Test "Real part of: cacos (0x1.0000000000000002p0 + 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000000002p0 + 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Real part of: cacos (0x1.0000000000000002p0 - 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000000002p0 - 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: cacos (0x1.0000000000001p0 + 0.0 i) == 0.0 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 + 0x1.fp-1025 i) == 2.557178503953494342609835913586108008322e-301 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x1.0000000000001p0 + 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 + 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 - 0.0 i) == 0.0 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 - 0x1.fp-1025 i) == 2.557178503953494342609835913586108008322e-301 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x1.0000000000001p0 - 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 - 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-10 + 1.0 i) == 1.569458417435338878318763342108699202986 - 8.813742198809567991336704287826445879025e-1 i":
 double: 1
 idouble: 1
@@ -495,6 +573,9 @@ idouble: 1
 Test "Imaginary part of: cacos (0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442097 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -503,6 +584,9 @@ ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442097 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442097 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -784,6 +868,12 @@ ifloat: 1
 Test "Imaginary part of: casin (-0 - 1.5 i) == -0 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0.0 + 0x1.000002p0 i) == -0.0 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.0 - 0x1.000002p0 i) == -0.0 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.25 + 1.0 i) == -1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
@@ -810,6 +900,30 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000000002p0 + 0x1p-63 i) == -1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (-0x1.0000000000000002p0 - 0x1p-63 i) == -1.570796326582978888921215348380499122131 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (-0x1.0000000000001p0 + 0.0 i) == -1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 + 0x1.fp-1025 i) == -1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 + 0x1p-52 i) == -1.570796317204594913251280305810847349436 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 - 0.0 i) == -1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 - 0x1.fp-1025 i) == -1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 - 0x1p-52 i) == -1.570796317204594913251280305810847349436 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-10 + 1.0 i) == -1.337909359557740912558349531052239112857e-3 + 8.813742198809567991336704287826445879025e-1 i":
 double: 1
 idouble: 1
@@ -848,6 +962,12 @@ idouble: 1
 Test "Imaginary part of: casin (-0x1.fp-1025 - 1.5 i) == -2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.0 i) == -2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -856,6 +976,12 @@ ifloat: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.5 i) == -1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 1.0 i) == -2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -884,6 +1010,28 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casin (-0x1p-23 + 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (-0x1p-23 - 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (-0x1p-52 + 0x1.0000000000001p0 i) == -1.570092458683774885078102529858632363236e-16 + 8.813735870195431822418551933572982483664e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (-0x1p-52 - 0x1.0000000000001p0 i) == -1.570092458683774885078102529858632363236e-16 - 8.813735870195431822418551933572982483664e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (-0x1p-63 + 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0x1p-63 - 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-1.0 + 0.5 i) == -8.959074812088902390666567243275770102229e-1 + 7.328576759736452608886724437653071523305e-1 i":
 float: 1
 ifloat: 1
@@ -938,6 +1086,12 @@ ldouble: 1
 Test "Imaginary part of: casin (-1.5 - 0x1.fp-16385 i) == -1.570796326794896619231321691639751442099 - 9.624236501192068949955178268487368462704e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 + 0x1.000002p0 i) == 0.0 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.0 - 0x1.000002p0 i) == 0.0 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.25 + 1.0 i) == 1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
@@ -976,6 +1130,30 @@ float: 1
 ifloat: 1
 ildouble: 2
 ldouble: 2
+Test "Imaginary part of: casin (0x1.0000000000000002p0 + 0x1p-63 i) == 1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (0x1.0000000000000002p0 - 0x1p-63 i) == 1.570796326582978888921215348380499122131 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (0x1.0000000000001p0 + 0.0 i) == 1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 + 0x1.fp-1025 i) == 1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 + 0x1p-52 i) == 1.570796317204594913251280305810847349436 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 - 0.0 i) == 1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 - 0x1.fp-1025 i) == 1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 - 0x1p-52 i) == 1.570796317204594913251280305810847349436 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-10 + 1.0 i) == 1.337909359557740912558349531052239112857e-3 + 8.813742198809567991336704287826445879025e-1 i":
 double: 1
 idouble: 1
@@ -1014,6 +1192,12 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp-1025 - 1.5 i) == 2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.0 i) == 2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1022,6 +1206,12 @@ ifloat: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.5 i) == 1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 1.0 i) == 2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1056,6 +1246,28 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 + 8.973081118419833726837456344608533993585e1 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (0x1p-23 + 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (0x1p-23 - 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (0x1p-52 + 0x1.0000000000001p0 i) == 1.570092458683774885078102529858632363236e-16 + 8.813735870195431822418551933572982483664e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (0x1p-52 - 0x1.0000000000001p0 i) == 1.570092458683774885078102529858632363236e-16 - 8.813735870195431822418551933572982483664e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (0x1p-63 + 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0x1p-63 - 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (1.0 + 0.5 i) == 8.959074812088902390666567243275770102229e-1 + 7.328576759736452608886724437653071523305e-1 i":
 float: 1
 ifloat: 1
@@ -1132,6 +1344,12 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0.0 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0.0 - 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0.5 + +0 i) == -0.4812118250596034474977589134243684231352 + +0 i":
 double: 2
 float: 1
@@ -1166,9 +1384,55 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casinh (-0x1.0000000000000002p0 + 0x1p-63 i) == -8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.0000000000000002p0 - 0x1p-63 i) == -8.813735870195430253092739958139610131001e-1 - 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.0000000000001p0 + 0x1p-52 i) == -8.813735870195431822418551933572982483664e-1 + 1.570092458683774885078102529858632363236e-16 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (-0x1.0000000000001p0 - 0x1p-52 i) == -8.813735870195431822418551933572982483664e-1 - 1.570092458683774885078102529858632363236e-16 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (-0x1.000002p0 + 0.0 i) == -8.813736713132375348727889167749389235161e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.000002p0 + 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 + 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 + 0x1p-23 i) == -8.813736713132400470205730751186547909968e-1 + 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0x1.000002p0 - 0.0 i) == -8.813736713132375348727889167749389235161e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.000002p0 - 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 - 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 - 0x1p-23 i) == -8.813736713132400470205730751186547909968e-1 - 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0x1.fp-1025 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-1025 - 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1190,6 +1454,18 @@ ldouble: 1
 Test "Real part of: casinh (-0x1.fp-30 - 1.0 i) == -4.247867098745151888768727039216644758847e-5 - 1.570753848123921942730162693731872690232 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-52 + 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 - 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-63 + 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
+Test "Real part of: casinh (-0x1p-63 - 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
 Test "Real part of: casinh (-1.0 + +0 i) == -0.8813735870195430252326093249797923090282 + +0 i":
 double: 2
 float: 1
@@ -1328,6 +1604,12 @@ idouble: 3
 ifloat: 6
 ildouble: 5
 ldouble: 5
+Test "Real part of: casinh (0.0 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0.0 - 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0.5 + +0 i) == 0.4812118250596034474977589134243684231352 + +0 i":
 double: 1
 float: 1
@@ -1372,9 +1654,55 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casinh (0x1.0000000000000002p0 + 0x1p-63 i) == 8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.0000000000000002p0 - 0x1p-63 i) == 8.813735870195430253092739958139610131001e-1 - 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.0000000000001p0 + 0x1p-52 i) == 8.813735870195431822418551933572982483664e-1 + 1.570092458683774885078102529858632363236e-16 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (0x1.0000000000001p0 - 0x1p-52 i) == 8.813735870195431822418551933572982483664e-1 - 1.570092458683774885078102529858632363236e-16 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (0x1.000002p0 + 0.0 i) == 8.813736713132375348727889167749389235161e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.000002p0 + 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 + 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 + 0x1p-23 i) == 8.813736713132400470205730751186547909968e-1 + 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (0x1.000002p0 - 0.0 i) == 8.813736713132375348727889167749389235161e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.000002p0 - 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 - 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 - 0x1p-23 i) == 8.813736713132400470205730751186547909968e-1 - 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (0x1.fp-1025 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-1025 - 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1402,6 +1730,18 @@ idouble: 1
 Test "Real part of: casinh (0x1.fp127 + 0x1.fp127 i) == 8.973081118419833726837456344608533993585e1 + 7.853981633974483096156608458198757210493e-1 i":
 double: 1
 idouble: 1
+Test "Real part of: casinh (0x1p-52 + 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 - 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-63 + 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
+Test "Real part of: casinh (0x1p-63 - 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
 Test "Real part of: casinh (1.0 + +0 i) == 0.8813735870195430252326093249797923090282 + +0 i":
 double: 1
 float: 1
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index b0e42536b1..f370aebcbb 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -244,6 +244,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0 - 1.5 i) == pi/2 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0.25 + 1.0 i) == 1.747098759571863549650000258275841544745 - 8.924633639033482359562124741744951972772e-1 i":
 double: 1
 float: 1
@@ -280,6 +286,36 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000000002p0 + 0x1p-63 i) == 3.141592653377875508152537040020250564229 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: cacos (-0x1.0000000000000002p0 - 0x1p-63 i) == 3.141592653377875508152537040020250564229 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 + 0.0 i) == 3.141592653589793238462643383279502884197 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 + 0x1.fp-1025 i) == 3.141592653589793238462643383279502884197 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 + 0x1p-52 i) == 3.141592643999491532482601997450598791535 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 - 0.0 i) == 3.141592653589793238462643383279502884197 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 - 0x1.fp-1025 i) == 3.141592653589793238462643383279502884197 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.0000000000001p0 - 0x1p-52 i) == 3.141592643999491532482601997450598791535 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.000002p0 + 0x1p-23 i) == 3.141370441751352383825802745874586120521 - 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.000002p0 - 0x1p-23 i) == 3.141370441751352383825802745874586120521 + 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-10 + 1.0 i) == 1.572134236154454360143880041170803681211 - 8.813742198809567991336704287826445879025e-1 i":
 double: 1
 idouble: 1
@@ -324,6 +360,12 @@ idouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (-0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 - 8.813736713132375348727889167749389235161e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442101 - 8.813735870195430252326093249797923090282e-1 i":
 float: 1
 ifloat: 1
@@ -338,6 +380,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442100 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (-0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 + 8.813736713132375348727889167749389235161e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442101 + 8.813735870195430252326093249797923090282e-1 i":
 float: 1
 ifloat: 1
@@ -431,6 +479,12 @@ ldouble: 1
 Test "Real part of: cacos (-2 - 3 i) == 2.1414491111159960199416055713254211 + 1.9833870299165354323470769028940395 i":
 float: 1
 ifloat: 1
+Test "Imaginary part of: cacos (0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.25 + 1.0 i) == 1.394493894017929688812643125003661339452 - 8.924633639033482359562124741744951972772e-1 i":
 float: 1
 ifloat: 1
@@ -475,6 +529,58 @@ float: 1
 ifloat: 1
 ildouble: 2
 ldouble: 2
+Test "Real part of: cacos (0x1.0000000000000002p0 + 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000000002p0 + 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Real part of: cacos (0x1.0000000000000002p0 - 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000000002p0 - 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: cacos (0x1.0000000000001p0 + 0.0 i) == 0.0 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 + 0x1.fp-1025 i) == 2.557178503953494342609835913586108008322e-301 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x1.0000000000001p0 + 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 - 2.315303644582684770975188768022139415020e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 + 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 - 0.0 i) == 0.0 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 - 0x1.fp-1025 i) == 2.557178503953494342609835913586108008322e-301 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x1.0000000000001p0 - 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 + 2.315303644582684770975188768022139415020e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.0000000000001p0 - 0x1p-52 i) == 9.590301705980041385828904092662391018164e-9 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x1.000002p0 + 0x1p-23 i) == 2.222118384408546368406374049167636760903e-4 - 5.364668491573609633134147164031476452679e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: cacos (0x1.000002p0 + 0x1p-23 i) == 2.222118384408546368406374049167636760903e-4 - 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (0x1.000002p0 - 0x1p-23 i) == 2.222118384408546368406374049167636760903e-4 + 5.364668491573609633134147164031476452679e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: cacos (0x1.000002p0 - 0x1p-23 i) == 2.222118384408546368406374049167636760903e-4 + 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-10 + 1.0 i) == 1.569458417435338878318763342108699202986 - 8.813742198809567991336704287826445879025e-1 i":
 double: 1
 idouble: 1
@@ -513,6 +619,9 @@ idouble: 1
 Test "Imaginary part of: cacos (0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442097 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -521,6 +630,9 @@ ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442097 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442097 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -784,6 +896,12 @@ ifloat: 1
 Test "Imaginary part of: casin (-0 - 1.5 i) == -0 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0.0 + 0x1.000002p0 i) == -0.0 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.0 - 0x1.000002p0 i) == -0.0 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.25 + 1.0 i) == -1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 float: 1
 ifloat: 1
@@ -810,6 +928,36 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000000002p0 + 0x1p-63 i) == -1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (-0x1.0000000000000002p0 - 0x1p-63 i) == -1.570796326582978888921215348380499122131 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (-0x1.0000000000001p0 + 0.0 i) == -1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 + 0x1.fp-1025 i) == -1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 + 0x1p-52 i) == -1.570796317204594913251280305810847349436 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 - 0.0 i) == -1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 - 0x1.fp-1025 i) == -1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.0000000000001p0 - 0x1p-52 i) == -1.570796317204594913251280305810847349436 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.000002p0 + 0x1p-23 i) == -1.570574114956455764594481054234834678422 + 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1.000002p0 - 0x1p-23 i) == -1.570574114956455764594481054234834678422 - 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (-0x1.fp-10 + 1.0 i) == -1.337909359557740912558349531052239112857e-3 + 8.813742198809567991336704287826445879025e-1 i":
 float: 1
 ifloat: 1
@@ -854,6 +1002,12 @@ idouble: 1
 Test "Imaginary part of: casin (-0x1.fp-1025 - 1.5 i) == -2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.0 i) == -2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -862,6 +1016,12 @@ ifloat: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.5 i) == -1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 1.0 i) == -2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -890,6 +1050,22 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casin (-0x1p-23 + 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (-0x1p-23 - 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (-0x1p-63 + 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0x1p-63 - 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-1.0 + 0.25 i) == -1.081751996523816326311037318425097434186 + 5.097911466811016354623559941115413499164e-1 i":
 double: 1
 idouble: 1
@@ -956,6 +1132,12 @@ ldouble: 1
 Test "Imaginary part of: casin (-1.5 - 0x1.fp-16385 i) == -1.570796326794896619231321691639751442099 - 9.624236501192068949955178268487368462704e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 + 0x1.000002p0 i) == 0.0 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.0 - 0x1.000002p0 i) == 0.0 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.25 + 1.0 i) == 1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 float: 1
 ifloat: 1
@@ -994,6 +1176,36 @@ float: 1
 ifloat: 1
 ildouble: 2
 ldouble: 2
+Test "Imaginary part of: casin (0x1.0000000000000002p0 + 0x1p-63 i) == 1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (0x1.0000000000000002p0 - 0x1p-63 i) == 1.570796326582978888921215348380499122131 - 5.116146586219826555037807251857670783420e-10 i":
+ildouble: 2
+ldouble: 2
+Test "Imaginary part of: casin (0x1.0000000000001p0 + 0.0 i) == 1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 + 0x1.fp-1025 i) == 1.570796326794896619231321691639751442099 + 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 + 0x1p-52 i) == 1.570796317204594913251280305810847349436 + 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 - 0.0 i) == 1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 - 0x1.fp-1025 i) == 1.570796326794896619231321691639751442099 - 2.107342425544701550354780375182800088393e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.0000000000001p0 - 0x1p-52 i) == 1.570796317204594913251280305810847349436 - 2.315303644582684770975188768022139415020e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.000002p0 + 0x1p-23 i) == 1.570574114956455764594481054234834678422 + 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1.000002p0 - 0x1p-23 i) == 1.570574114956455764594481054234834678422 - 5.364668491573609633134147164031476452679e-4 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (0x1.fp-10 + 1.0 i) == 1.337909359557740912558349531052239112857e-3 + 8.813742198809567991336704287826445879025e-1 i":
 float: 1
 ifloat: 1
@@ -1038,6 +1250,12 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp-1025 - 1.5 i) == 2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.0 i) == 2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1046,6 +1264,12 @@ ifloat: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.5 i) == 1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 1.0 i) == 2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1080,6 +1304,22 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 + 8.973081118419833726837456344608533993585e1 i":
 double: 1
 idouble: 1
+Test "Real part of: casin (0x1p-23 + 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (0x1p-23 - 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casin (0x1p-63 + 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0x1p-63 - 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (1.0 + 0.25 i) == 1.081751996523816326311037318425097434186 + 5.097911466811016354623559941115413499164e-1 i":
 double: 1
 idouble: 1
@@ -1168,6 +1408,12 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0.0 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0.0 - 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casinh (-0.25 + 1.0 i) == -5.097911466811016354623559941115413499164e-1 + 1.081751996523816326311037318425097434186 i":
 double: 1
 idouble: 1
@@ -1208,15 +1454,55 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casinh (-0x1.0000000000000002p0 + 0x1p-63 i) == -8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.0000000000000002p0 - 0x1p-63 i) == -8.813735870195430253092739958139610131001e-1 - 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.000002p0 + 0.0 i) == -8.813736713132375348727889167749389235161e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.000002p0 + 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 + 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 + 0x1p-23 i) == -8.813736713132400470205730751186547909968e-1 + 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0x1.000002p0 - 0.0 i) == -8.813736713132375348727889167749389235161e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.000002p0 - 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 - 0x1.fp-129 i) == -8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x1.000002p0 - 0x1p-23 i) == -8.813736713132400470205730751186547909968e-1 - 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
 Test "Real part of: casinh (-0x1.fp-10 + 1.0 i) == -4.350501469856803800217957402220976497152e-2 + 1.527305029163877791518741192097931722508 i":
 float: 1
 ifloat: 1
 Test "Real part of: casinh (-0x1.fp-10 - 1.0 i) == -4.350501469856803800217957402220976497152e-2 - 1.527305029163877791518741192097931722508 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (-0x1.fp-1025 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-1025 - 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1238,6 +1524,24 @@ ldouble: 1
 Test "Real part of: casinh (-0x1.fp-30 - 1.0 i) == -4.247867098745151888768727039216644758847e-5 - 1.570753848123921942730162693731872690232 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0x1.000002p0 i) == -5.364668491573609633134147164031476452679e-4 + 1.570574114956455764594481054234834678422 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0x1p-23 - 0x1.000002p0 i) == -5.364668491573609633134147164031476452679e-4 - 1.570574114956455764594481054234834678422 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0x1p-52 + 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 - 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-63 + 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
+Test "Real part of: casinh (-0x1p-63 - 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
 Test "Real part of: casinh (-1.0 + +0 i) == -0.8813735870195430252326093249797923090282 + +0 i":
 double: 2
 float: 1
@@ -1382,6 +1686,12 @@ idouble: 3
 ifloat: 6
 ildouble: 5
 ldouble: 5
+Test "Real part of: casinh (0.0 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0.0 - 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casinh (0.25 + 1.0 i) == 5.097911466811016354623559941115413499164e-1 + 1.081751996523816326311037318425097434186 i":
 double: 1
 idouble: 1
@@ -1428,15 +1738,55 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casinh (0x1.0000000000000002p0 + 0x1p-63 i) == 8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.0000000000000002p0 - 0x1p-63 i) == 8.813735870195430253092739958139610131001e-1 - 7.666467083416870406778649849746878368519e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.000002p0 + 0.0 i) == 8.813736713132375348727889167749389235161e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.000002p0 + 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 + 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 + 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 + 0x1p-23 i) == 8.813736713132400470205730751186547909968e-1 + 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (0x1.000002p0 - 0.0 i) == 8.813736713132375348727889167749389235161e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.000002p0 - 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 - 0x1.fp-129 i) == 8.813736713132375348727889167749389235161e-1 - 2.013062444707472738895109955455676357057e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x1.000002p0 - 0x1p-23 i) == 8.813736713132400470205730751186547909968e-1 - 8.429369199749229560964789467980644296420e-8 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
 Test "Real part of: casinh (0x1.fp-10 + 1.0 i) == 4.350501469856803800217957402220976497152e-2 + 1.527305029163877791518741192097931722508 i":
 float: 1
 ifloat: 1
 Test "Real part of: casinh (0x1.fp-10 - 1.0 i) == 4.350501469856803800217957402220976497152e-2 - 1.527305029163877791518741192097931722508 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (0x1.fp-1025 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-1025 - 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1464,6 +1814,24 @@ idouble: 1
 Test "Real part of: casinh (0x1.fp127 + 0x1.fp127 i) == 8.973081118419833726837456344608533993585e1 + 7.853981633974483096156608458198757210493e-1 i":
 double: 1
 idouble: 1
+Test "Real part of: casinh (0x1p-23 + 0x1.000002p0 i) == 5.364668491573609633134147164031476452679e-4 + 1.570574114956455764594481054234834678422 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0x1p-23 - 0x1.000002p0 i) == 5.364668491573609633134147164031476452679e-4 - 1.570574114956455764594481054234834678422 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0x1p-52 + 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 - 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-63 + 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
+Test "Real part of: casinh (0x1p-63 - 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
+ildouble: 2
+ldouble: 2
 Test "Real part of: casinh (1.0 + +0 i) == 0.8813735870195430252326093249797923090282 + +0 i":
 double: 1
 float: 1