summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ieee754/ldbl-128')
-rw-r--r--sysdeps/ieee754/ldbl-128/e_gammal_r.c8
-rw-r--r--sysdeps/ieee754/ldbl-128/e_j0l.c12
-rw-r--r--sysdeps/ieee754/ldbl-128/e_lgammal_r.c8
-rw-r--r--sysdeps/ieee754/ldbl-128/e_log10l.c15
-rw-r--r--sysdeps/ieee754/ldbl-128/e_log2l.c15
-rw-r--r--sysdeps/ieee754/ldbl-128/e_powl.c7
-rw-r--r--sysdeps/ieee754/ldbl-128/ldbl2mpn.c16
-rw-r--r--sysdeps/ieee754/ldbl-128/s_erfl.c8
-rw-r--r--sysdeps/ieee754/ldbl-128/s_expm1l.c3
-rw-r--r--sysdeps/ieee754/ldbl-128/s_log1pl.c17
-rw-r--r--sysdeps/ieee754/ldbl-128/s_remquol.c6
11 files changed, 59 insertions, 56 deletions
diff --git a/sysdeps/ieee754/ldbl-128/e_gammal_r.c b/sysdeps/ieee754/ldbl-128/e_gammal_r.c
index 6f0d4b7287..123b559d08 100644
--- a/sysdeps/ieee754/ldbl-128/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-128/e_gammal_r.c
@@ -1,5 +1,5 @@
 /* Implementation of gamma function according to ISO C.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
    		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
@@ -46,6 +46,12 @@ __ieee754_gammal_r (long double x, int *signgamp)
       *signgamp = 0;
       return (x - x) / (x - x);
     }
+  if (hx == 0xffff000000000000ULL && lx == 0)
+    {
+      /* x == -Inf.  According to ISO this is NaN.  */
+      *signgamp = 0;
+      return x - x;
+    }
 
   /* XXX FIXME.  */
   return __ieee754_expl (__ieee754_lgammal_r (x, signgamp));
diff --git a/sysdeps/ieee754/ldbl-128/e_j0l.c b/sysdeps/ieee754/ldbl-128/e_j0l.c
index dbe414d2b1..ce506076d1 100644
--- a/sysdeps/ieee754/ldbl-128/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j0l.c
@@ -803,12 +803,6 @@ long double
 {
   long double xx, xinv, z, p, q, c, s, cc, ss;
 
-  if (x <= 0.0L)
-    {
-      if (x < 0.0L)
-	return (zero / zero);
-      return 1.0L / zero;
-    }
   if (! finitel (x))
     {
       if (x != x)
@@ -816,6 +810,12 @@ long double
       else
 	return 0.0L;
     }
+  if (x <= 0.0L)
+    {
+      if (x < 0.0L)
+	return (zero / zero);
+      return 1.0L / zero;
+    }
   xx = fabsl (x);
   if (xx <= 2.0L)
     {
diff --git a/sysdeps/ieee754/ldbl-128/e_lgammal_r.c b/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
index b13ca91c3f..81c20595c2 100644
--- a/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
@@ -761,10 +761,9 @@ __ieee754_lgammal_r (x, signgamp)
   if (x < 0.0L)
     {
       q = -x;
-      w = __ieee754_lgammal_r (q, &i);
       p = __floorl (q);
       if (p == q)
-	return (one / zero);
+	return (one / (p - p));
       i = p;
       if ((i & 1) == 0)
 	*signgamp = -1;
@@ -779,6 +778,7 @@ __ieee754_lgammal_r (x, signgamp)
       z = q * __sinl (PIL * z);
       if (z == 0.0L)
 	return (*signgamp * huge * huge);
+      w = __ieee754_lgammal_r (q, &i);
       z = __logl (PIL / z) - w;
       return (z);
     }
@@ -859,6 +859,8 @@ __ieee754_lgammal_r (x, signgamp)
 	      z = x - 1.0L;
 	      p = z * neval (z, RNr9, NRNr9) / deval (z, RDr9, NRDr9);
 	    }
+	  else if (x == 1.0L)
+	    p = 0.0L;
 	  else if (x <= 1.125L)
 	    {
 	      z = x - 1.0L;
@@ -900,6 +902,8 @@ __ieee754_lgammal_r (x, signgamp)
 	      p += lgam1r75b;
 	      p += lgam1r75a;
 	    }
+	  else if (x == 2.0L)
+	    p = 0.0L;
 	  else if (x < 2.375L)
 	    {
 	      z = x - 2.0L;
diff --git a/sysdeps/ieee754/ldbl-128/e_log10l.c b/sysdeps/ieee754/ldbl-128/e_log10l.c
index bc2af9d850..efdcdbbe5c 100644
--- a/sysdeps/ieee754/ldbl-128/e_log10l.c
+++ b/sysdeps/ieee754/ldbl-128/e_log10l.c
@@ -170,16 +170,15 @@ __ieee754_log10l (x)
   long double z;
   long double y;
   int e;
+  int64_t hx, lx;
 
 /* Test for domain */
-  if (x <= 0.0L)
-    {
-      if (x == 0.0L)
-	return (-1.0L / (x - x));
-      else
-	return (x - x) / (x - x);
-    }
-  if (!__finitel (x))
+  GET_LDOUBLE_WORDS64 (hx, lx, x);
+  if (((hx & 0x7fffffffffffffffLL) | lx) == 0)
+    return (-1.0L / (x - x));
+  if (hx < 0)
+    return (x - x) / (x - x);
+  if (hx >= 0x7fff000000000000LL)
     return (x + x);
 
 /* separate mantissa from exponent */
diff --git a/sysdeps/ieee754/ldbl-128/e_log2l.c b/sysdeps/ieee754/ldbl-128/e_log2l.c
index 5f887a5e23..ad408fcf33 100644
--- a/sysdeps/ieee754/ldbl-128/e_log2l.c
+++ b/sysdeps/ieee754/ldbl-128/e_log2l.c
@@ -164,16 +164,15 @@ __ieee754_log2l (x)
   long double z;
   long double y;
   int e;
+  int64_t hx, lx;
 
 /* Test for domain */
-  if (x <= 0.0L)
-    {
-      if (x == 0.0L)
-	return (-1.0L / (x - x));
-      else
-	return (x - x) / (x - x);
-    }
-  if (!__finitel (x))
+  GET_LDOUBLE_WORDS64 (hx, lx, x);
+  if (((hx & 0x7fffffffffffffffLL) | lx) == 0)
+    return (-1.0L / (x - x));
+  if (hx < 0)
+    return (x - x) / (x - x);
+  if (hx >= 0x7fff000000000000LL)
     return (x + x);
 
 /* separate mantissa from exponent */
diff --git a/sysdeps/ieee754/ldbl-128/e_powl.c b/sysdeps/ieee754/ldbl-128/e_powl.c
index 6d5b9d52d2..79644f696c 100644
--- a/sysdeps/ieee754/ldbl-128/e_powl.c
+++ b/sysdeps/ieee754/ldbl-128/e_powl.c
@@ -156,6 +156,13 @@ __ieee754_powl (x, y)
   if ((iy | q.parts32.w1 | q.parts32.w2 | q.parts32.w3) == 0)
     return one;
 
+  /* 1.0**y = 1; -1.0**+-Inf = 1 */
+  if (x == one)
+    return one;
+  if (x == -1.0L && iy == 0x7fff0000
+      && (q.parts32.w1 | q.parts32.w2 | q.parts32.w3) == 0)
+    return one;
+
   /* +-NaN return x+y */
   if ((ix > 0x7fff0000)
       || ((ix == 0x7fff0000)
diff --git a/sysdeps/ieee754/ldbl-128/ldbl2mpn.c b/sysdeps/ieee754/ldbl-128/ldbl2mpn.c
index 08a4c37a51..cdd09db69f 100644
--- a/sysdeps/ieee754/ldbl-128/ldbl2mpn.c
+++ b/sysdeps/ieee754/ldbl-128/ldbl2mpn.c
@@ -102,7 +102,7 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
 #else
 	  int j, k, l;
 
-	  for (j = N - 1; j > 0; j++)
+	  for (j = N - 1; j > 0; j--)
 	    if (res_ptr[j] != 0)
 	      break;
 
@@ -112,20 +112,22 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
 	  if (cnt < 0)
 	    {
 	      cnt += BITS_PER_MP_LIMB;
-	      l++;
+	      l--;
 	    }
 	  if (!cnt)
 	    for (k = N - 1; k >= l; k--)
 	      res_ptr[k] = res_ptr[k-l];
 	  else
-	    for (k = N - 1; k >= l; k--)
-	      res_ptr[k] = res_ptr[k-l] << cnt
-			   | res_ptr[k-l-1] >> (BITS_PER_MP_LIMB - cnt);
-	    res_ptr[k--] = res_ptr[0] << cnt;
+	    {
+	      for (k = N - 1; k > l; k--)
+		res_ptr[k] = res_ptr[k-l] << cnt
+			     | res_ptr[k-l-1] >> (BITS_PER_MP_LIMB - cnt);
+	      res_ptr[k--] = res_ptr[0] << cnt;
+	    }
 
 	  for (; k >= 0; k--)
 	    res_ptr[k] = 0;
-	  *expt = LDBL_MIN_EXP - 1 - 3 * BITS_PER_MP_LIMB - cnt;
+	  *expt = LDBL_MIN_EXP - 1 - l * BITS_PER_MP_LIMB - cnt;
 #endif
 	}
     }
diff --git a/sysdeps/ieee754/ldbl-128/s_erfl.c b/sysdeps/ieee754/ldbl-128/s_erfl.c
index ef8eea6875..0955f420bb 100644
--- a/sysdeps/ieee754/ldbl-128/s_erfl.c
+++ b/sysdeps/ieee754/ldbl-128/s_erfl.c
@@ -790,10 +790,6 @@ __erfl (x)
 }
 
 weak_alias (__erfl, erfl)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__erf, __erfl)
-weak_alias (__erf, erfl)
-#endif
 #ifdef __STDC__
      long double
      __erfcl (long double x)
@@ -935,7 +931,3 @@ weak_alias (__erf, erfl)
 }
 
 weak_alias (__erfcl, erfcl)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__erfc, __erfcl)
-weak_alias (__erfc, erfcl)
-#endif
diff --git a/sysdeps/ieee754/ldbl-128/s_expm1l.c b/sysdeps/ieee754/ldbl-128/s_expm1l.c
index 1ed68d6e34..6afe61702a 100644
--- a/sysdeps/ieee754/ldbl-128/s_expm1l.c
+++ b/sysdeps/ieee754/ldbl-128/s_expm1l.c
@@ -144,6 +144,3 @@ __expm1l (long double x)
 }
 
 weak_alias (__expm1l, expm1l)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__expm1, __expm1l) weak_alias (__expm1, expm1l)
-#endif
diff --git a/sysdeps/ieee754/ldbl-128/s_log1pl.c b/sysdeps/ieee754/ldbl-128/s_log1pl.c
index 73e9501330..9adc786034 100644
--- a/sysdeps/ieee754/ldbl-128/s_log1pl.c
+++ b/sysdeps/ieee754/ldbl-128/s_log1pl.c
@@ -117,17 +117,18 @@ __log1pl (long double xm1)
 {
   long double x, y, z, r, s;
   ieee854_long_double_shape_type u;
-  int32_t ix;
+  int32_t hx;
   int e;
 
   /* Test for NaN or infinity input. */
   u.value = xm1;
-  ix = u.parts32.w0 & 0x7fffffff;
-  if (ix >= 0x7fff0000)
+  hx = u.parts32.w0;
+  if (hx >= 0x7fff0000)
     return xm1;
 
   /* log1p(+- 0) = +- 0.  */
-  if ((ix == 0) && (u.parts32.w1 | u.parts32.w2 | u.parts32.w3) == 0)
+  if (((hx & 0x7fffffff) == 0)
+      && (u.parts32.w1 | u.parts32.w2 | u.parts32.w3) == 0)
     return xm1;
 
   x = xm1 + 1.0L;
@@ -136,9 +137,9 @@ __log1pl (long double xm1)
   if (x <= 0.0L)
     {
       if (x == 0.0L)
-	return (-1.0L / zero);
+	return (-1.0L / (x - x));
       else
-	return (zero / zero);
+	return (zero / (x - x));
     }
 
   /* Separate mantissa from exponent.  */
@@ -238,7 +239,3 @@ __log1pl (long double xm1)
 }
 
 weak_alias (__log1pl, log1pl)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__log1p, __log1pl)
-weak_alias (__log1p, log1pl)
-#endif
diff --git a/sysdeps/ieee754/ldbl-128/s_remquol.c b/sysdeps/ieee754/ldbl-128/s_remquol.c
index a30720bfa4..ae896c807f 100644
--- a/sysdeps/ieee754/ldbl-128/s_remquol.c
+++ b/sysdeps/ieee754/ldbl-128/s_remquol.c
@@ -1,5 +1,5 @@
 /* Compute remainder and a congruent to the quotient.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
 		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
@@ -31,8 +31,8 @@ long double
 __remquol (long double x, long double y, int *quo)
 {
   int64_t hx,hy;
-  u_int64_t sx,lx,ly;
-  int cquo,qs;
+  u_int64_t sx,lx,ly,qs;
+  int cquo;
 
   GET_LDOUBLE_WORDS64 (hx, lx, x);
   GET_LDOUBLE_WORDS64 (hy, ly, y);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-15 10:46:07 +0000