summary refs log tree commit diff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog65
-rw-r--r--NEWS2
-rw-r--r--include/math.h1
-rw-r--r--manual/arith.texi14
-rwxr-xr-xmanual/libm-err-tab.pl6
-rw-r--r--math/Makefile2
-rw-r--r--math/Versions1
-rw-r--r--math/bits/mathcalls.h3
-rw-r--r--math/libm-test.inc606
-rw-r--r--math/test-tgmath.c12
-rw-r--r--math/tgmath.h3
-rw-r--r--sysdeps/ieee754/dbl-64/s_roundeven.c106
-rw-r--r--sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c72
-rw-r--r--sysdeps/ieee754/flt-32/s_roundevenf.c68
-rw-r--r--sysdeps/ieee754/ldbl-128/s_roundevenl.c102
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_roundevenl.c69
-rw-r--r--sysdeps/ieee754/ldbl-96/s_roundevenl.c124
-rw-r--r--sysdeps/ieee754/ldbl-opt/Makefile4
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-roundeven.c26
-rw-r--r--sysdeps/nacl/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/aarch64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/arm/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/hppa/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/i386/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/ia64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/microblaze/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips32/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/mips/mips64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/nios2/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/sh/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/64/libm.abilist3
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist3
46 files changed, 1360 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog
index 31a807c3f0..db6393a54a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,68 @@
+2016-12-21  Joseph Myers  <joseph@codesourcery.com>
+
+	* math/bits/mathcalls.h [__GLIBC_USE (IEC_60559_BFP_EXT)]
+	(roundeven): New declaration.
+	* math/tgmath.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (roundeven): New
+	macro.
+	* math/Versions (roundeven): New libm symbol at version
+	GLIBC_2.25.
+	(roundevenf): Likewise.
+	(roundevenl): Likewise.
+	* math/Makefile (libm-calls): Add s_roundevenF.
+	* math/libm-test.inc (roundeven_test_data): New array.
+	(roundeven_test): New function.
+	(main): Call roundeven_test.
+	* math/test-tgmath.c (NCALLS): Increase to 134.
+	(F(compile_test)): Call roundeven.
+	(F(roundeven)): New function.
+	* manual/arith.texi (Rounding Functions): Document roundeven,
+	roundevenf and roundevenl.
+	* manual/libm-err-tab.pl (@all_functions): Add roundeven.
+	* include/math.h (roundeven): Use libm_hidden_proto.
+	* sysdeps/ieee754/dbl-64/s_roundeven.c: New file.
+	* sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c: Likewise.
+	* sysdeps/ieee754/flt-32/s_roundevenf.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/s_roundevenl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/s_roundevenl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/s_roundevenl.c: Likewise.
+	* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add
+	roundeven.
+	(CFLAGS-nldbl-roundeven.c): New variable.
+	* sysdeps/ieee754/ldbl-opt/nldbl-roundeven.c: New file.
+	* sysdeps/nacl/libm.abilist: Update.
+	* sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist:
+	Likewise.
+	* sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise.
+	* sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise.
+
 2016-12-20  Joseph Myers  <joseph@codesourcery.com>
 
 	* math/tgmath.h [__GLIBC_USE (IEC_60559_BFP_EXT)] (llogb): Add
diff --git a/NEWS b/NEWS
index d77b8abdb7..87950ede88 100644
--- a/NEWS
+++ b/NEWS
@@ -66,6 +66,8 @@ Version 2.25
 
   - Signaling NaN macros: SNANF, SNAN, SNANL.
 
+  - Nearest integer functions: roundeven, roundevenf, roundevenl.
+
   - llogb functions: the llogb, llogbf and llogbl functions, and the
     FP_LLOGB0 and FP_LLOGBNAN macros.
 
diff --git a/include/math.h b/include/math.h
index ba7bba018a..a4f556263a 100644
--- a/include/math.h
+++ b/include/math.h
@@ -29,6 +29,7 @@ libm_hidden_proto (__issignaling)
 libm_hidden_proto (__issignalingf)
 libm_hidden_proto (__exp)
 libm_hidden_proto (__expf)
+libm_hidden_proto (roundeven)
 
 # ifndef __NO_LONG_DOUBLE_MATH
 libm_hidden_proto (__fpclassifyl)
diff --git a/manual/arith.texi b/manual/arith.texi
index f90ef26c91..b0464e101e 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -1596,6 +1596,20 @@ current rounding mode).
 
 @comment math.h
 @comment ISO
+@deftypefun double roundeven (double @var{x})
+@comment math.h
+@comment ISO
+@deftypefunx float roundevenf (float @var{x})
+@comment math.h
+@comment ISO
+@deftypefunx {long double} roundevenl (long double @var{x})
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+These functions, from TS 18661-1:2014, are similar to @code{round},
+but they round halfway cases to even instead of away from zero.
+@end deftypefun
+
+@comment math.h
+@comment ISO
 @deftypefun {long int} lrint (double @var{x})
 @comment math.h
 @comment ISO
diff --git a/manual/libm-err-tab.pl b/manual/libm-err-tab.pl
index cc51f0b82f..9b8aa664ae 100755
--- a/manual/libm-err-tab.pl
+++ b/manual/libm-err-tab.pl
@@ -61,9 +61,9 @@ use vars qw (%results @all_floats %suffices @all_functions);
     "ilogb", "j0", "j1", "jn", "lgamma", "llogb", "lrint",
     "llrint", "log", "log10", "log1p", "log2", "logb", "lround",
     "llround", "modf", "nearbyint", "nextafter", "nextdown", "nexttoward",
-    "nextup", "pow", "remainder", "remquo", "rint", "round", "scalb",
-    "scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma",
-    "trunc", "y0", "y1", "yn" );
+    "nextup", "pow", "remainder", "remquo", "rint", "round", "roundeven",
+    "scalb", "scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh",
+    "tgamma", "trunc", "y0", "y1", "yn" );
 # canonicalize, fpclassify, getpayload, iscanonical, isnormal,
 # isfinite, isinf, isnan, issignaling, issubnormal, iszero, signbit,
 # iseqsig, isgreater, isgreaterequal, isless, islessequal,
diff --git a/math/Makefile b/math/Makefile
index ed1c4c92da..7b2eb5a5cd 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -75,7 +75,7 @@ libm-calls =								  \
 	s_issignalingF $(calls:s_%=m_%) x2y2m1F				  \
 	gamma_productF lgamma_negF lgamma_productF			  \
 	s_nextupF s_totalorderF s_totalordermagF s_getpayloadF		  \
-	s_setpayloadF s_setpayloadsigF $(gen-libm-calls)
+	s_setpayloadF s_setpayloadsigF s_roundevenF $(gen-libm-calls)
 
 libm-compat-calls-ldouble-yes = w_lgamma_compatl k_standardl
 libm-compat-calls = w_lgamma_compatf w_lgamma_compat k_standard k_standardf \
diff --git a/math/Versions b/math/Versions
index eebfac35fd..b6a4fa34d8 100644
--- a/math/Versions
+++ b/math/Versions
@@ -225,5 +225,6 @@ libm {
     setpayloadsig; setpayloadsigf; setpayloadsigl;
     llogb; llogbf; llogbl;
     fmaxmag; fmaxmagf; fmaxmagl; fminmag; fminmagf; fminmagl;
+    roundeven; roundevenf; roundevenl;
   }
 }
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index 824f95b58e..4fd8bab14e 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -385,6 +385,9 @@ __END_NAMESPACE_C99
 #endif
 
 #if __GLIBC_USE (IEC_60559_BFP_EXT)
+/* Round X to nearest integer value, rounding halfway cases to even.  */
+__MATHCALLX (roundeven,, (_Mdouble_ __x), (__const__));
+
 /* Return value with maximum magnitude.  */
 __MATHCALLX (fmaxmag,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
 
diff --git a/math/libm-test.inc b/math/libm-test.inc
index e48229320c..e096e21057 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -47,7 +47,7 @@
    ldexp, lgamma, llogb, log, log10, log1p, log2, logb,
    modf, nearbyint, nextafter, nexttoward,
    pow, pow10, remainder, remquo, rint, lrint, llrint,
-   round, lround, llround,
+   round, roundeven, lround, llround,
    scalb, scalbn, scalbln, setpayload, setpayloadsig, signbit,
    sin, sincos, sinh, sqrt,
    tan, tanh, tgamma, totalorder, totalordermag, trunc,
@@ -12460,6 +12460,609 @@ round_test (void)
 }
 
 
+static const struct test_f_f_data roundeven_test_data[] =
+  {
+    TEST_f_f (roundeven, plus_zero, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, plus_infty, plus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, minus_infty, minus_infty, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_f_f (roundeven, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+
+    TEST_f_f (roundeven, min_subnorm_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, min_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 2, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 3, 3, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 4, 4, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 5, 5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p23, 0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p24, 0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p25, 0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p52, 0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p53, 0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p54, 0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p63, 0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p64, 0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p65, 0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p105, 0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p106, 0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p107, 0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p112, 0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p113, 0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1p114, 0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, max_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -min_subnorm_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -min_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -2, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -3, -3, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -4, -4, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -5, -5, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p23, -0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p24, -0x1p24, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p25, -0x1p25, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p52, -0x1p52, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p53, -0x1p53, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p54, -0x1p54, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p63, -0x1p63, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p64, -0x1p64, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p65, -0x1p65, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p105, -0x1p105, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p106, -0x1p106, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p107, -0x1p107, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p112, -0x1p112, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p113, -0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1p114, -0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -max_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    TEST_f_f (roundeven, 0.1, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.2, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.2, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.25, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.25, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.499, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.499, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.5, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.5, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.501, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.501, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.625, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.625, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.75, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.75, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0.8, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0.8, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 1.25, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -1.25, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 1.499, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -1.499, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 1.5, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -1.5, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 1.501, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -1.501, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 1.75, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -1.75, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 2.25, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -2.25, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 2.499, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -2.499, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 2.5, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -2.5, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 2.501, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -2.501, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 2.75, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -2.75, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 3.25, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -3.25, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 3.499, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -3.499, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 3.5, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -3.5, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 3.501, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -3.501, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 3.75, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -3.75, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 4.25, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -4.25, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 4.499, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -4.499, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 4.5, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -4.5, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 4.501, 5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -4.501, -5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 4.75, 5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -4.75, -5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 5.25, 5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -5.25, -5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 5.499, 5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -5.499, -5.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 5.5, 6.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -5.5, -6.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 5.501, 6.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -5.501, -6.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 5.75, 6.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -5.75, -6.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+
+    /* 0.5, 1.5, 2.5, 3.5 +/- 1ulp.  */
+    TEST_f_f (roundeven, 0x0.ffffffp-1, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x0.ffffffp-1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1.000002p-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1.000002p-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2.fffffcp-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2.fffffcp-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3.000004p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3.000004p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4.fffff8p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4.fffff8p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x5.000008p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x5.000008p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x6.fffff8p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x6.fffff8p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7.000008p-1, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7.000008p-1, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#if MANT_DIG >= 53
+    TEST_f_f (roundeven, 0x0.fffffffffffff8p-1, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x0.fffffffffffff8p-1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1.0000000000001p-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1.0000000000001p-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2.ffffffffffffep-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2.ffffffffffffep-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3.0000000000002p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3.0000000000002p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4.ffffffffffffcp-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4.ffffffffffffcp-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x5.0000000000004p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x5.0000000000004p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x6.ffffffffffffcp-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x6.ffffffffffffcp-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7.0000000000004p-1, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7.0000000000004p-1, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 64
+    TEST_f_f (roundeven, 0x0.ffffffffffffffffp-1, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x0.ffffffffffffffffp-1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1.0000000000000002p-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1.0000000000000002p-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2.fffffffffffffffcp-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2.fffffffffffffffcp-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3.0000000000000004p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3.0000000000000004p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4.fffffffffffffff8p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4.fffffffffffffff8p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x5.0000000000000008p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x5.0000000000000008p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x6.fffffffffffffff8p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x6.fffffffffffffff8p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7.0000000000000008p-1, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7.0000000000000008p-1, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 106
+    TEST_f_f (roundeven, 0x0.ffffffffffffffffffffffffffcp-1, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x0.ffffffffffffffffffffffffffcp-1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1.000000000000000000000000008p-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1.000000000000000000000000008p-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2.ffffffffffffffffffffffffffp-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2.ffffffffffffffffffffffffffp-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3.00000000000000000000000001p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3.00000000000000000000000001p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4.fffffffffffffffffffffffffep-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4.fffffffffffffffffffffffffep-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x5.00000000000000000000000002p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x5.00000000000000000000000002p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x6.fffffffffffffffffffffffffep-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x6.fffffffffffffffffffffffffep-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7.00000000000000000000000002p-1, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7.00000000000000000000000002p-1, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 113
+    TEST_f_f (roundeven, 0x0.ffffffffffffffffffffffffffff8p-1, plus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x0.ffffffffffffffffffffffffffff8p-1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1.0000000000000000000000000001p-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1.0000000000000000000000000001p-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2.fffffffffffffffffffffffffffep-1, 1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2.fffffffffffffffffffffffffffep-1, -1.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3.0000000000000000000000000002p-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3.0000000000000000000000000002p-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4.fffffffffffffffffffffffffffcp-1, 2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4.fffffffffffffffffffffffffffcp-1, -2.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x5.0000000000000000000000000004p-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x5.0000000000000000000000000004p-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x6.fffffffffffffffffffffffffffcp-1, 3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x6.fffffffffffffffffffffffffffcp-1, -3.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7.0000000000000000000000000004p-1, 4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7.0000000000000000000000000004p-1, -4.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+
+    /* 31, 32, 33 fractional bits.  */
+#if MANT_DIG >= 53
+    TEST_f_f (roundeven, 0x200000.7ffffffep0, 0x200000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000.7ffffffep0, -0x200000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000.8p0, 0x200000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000.8p0, -0x200000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000.80000002p0, 0x200001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000.80000002p0, -0x200001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200001.7ffffffep0, 0x200001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200001.7ffffffep0, -0x200001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200001.8p0, 0x200002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200001.8p0, -0x200002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200001.80000002p0, 0x200002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200001.80000002p0, -0x200002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3fffff.fffffffep0, 0x400000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3fffff.fffffffep0, -0x400000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000.7fffffffp0, 0x100000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000.7fffffffp0, -0x100000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000.8p0, 0x100000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000.8p0, -0x100000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000.80000001p0, 0x100001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000.80000001p0, -0x100001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100001.7fffffffp0, 0x100001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100001.7fffffffp0, -0x100001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100001.8p0, 0x100002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100001.8p0, -0x100002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100001.80000001p0, 0x100002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100001.80000001p0, -0x100002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1fffff.ffffffffp0, 0x200000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1fffff.ffffffffp0, -0x200000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000.7fffffff8p0, 0x80000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000.7fffffff8p0, -0x80000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000.8p0, 0x80000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000.8p0, -0x80000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000.800000008p0, 0x80001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000.800000008p0, -0x80001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80001.7fffffff8p0, 0x80001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80001.7fffffff8p0, -0x80001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80001.8p0, 0x80002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80001.8p0, -0x80002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80001.800000008p0, 0x80002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80001.800000008p0, -0x80002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0xfffff.ffffffff8p0, 0x100000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0xfffff.ffffffff8p0, -0x100000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 64
+    TEST_f_f (roundeven, 0x100000000.7ffffffep0, 0x100000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000.7ffffffep0, -0x100000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000.8p0, 0x100000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000.8p0, -0x100000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000.80000002p0, 0x100000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000.80000002p0, -0x100000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000001.7ffffffep0, 0x100000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000001.7ffffffep0, -0x100000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000001.8p0, 0x100000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000001.8p0, -0x100000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000001.80000002p0, 0x100000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000001.80000002p0, -0x100000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1ffffffff.fffffffep0, 0x200000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1ffffffff.fffffffep0, -0x200000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000.7fffffffp0, 0x80000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000.7fffffffp0, -0x80000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000.8p0, 0x80000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000.8p0, -0x80000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000.80000001p0, 0x80000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000.80000001p0, -0x80000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000001.7fffffffp0, 0x80000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000001.7fffffffp0, -0x80000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000001.8p0, 0x80000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000001.8p0, -0x80000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000001.80000001p0, 0x80000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000001.80000001p0, -0x80000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0xffffffff.ffffffffp0, 0x100000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0xffffffff.ffffffffp0, -0x100000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000.7fffffff8p0, 0x40000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000.7fffffff8p0, -0x40000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000.8p0, 0x40000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000.8p0, -0x40000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000.800000008p0, 0x40000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000.800000008p0, -0x40000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000001.7fffffff8p0, 0x40000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000001.7fffffff8p0, -0x40000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000001.8p0, 0x40000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000001.8p0, -0x40000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000001.800000008p0, 0x40000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000001.800000008p0, -0x40000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7fffffff.ffffffff8p0, 0x80000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7fffffff.ffffffff8p0, -0x80000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 106
+    TEST_f_f (roundeven, 0x4000000000000000000.7ffffffep0, 0x4000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4000000000000000000.7ffffffep0, -0x4000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4000000000000000000.8p0, 0x4000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4000000000000000000.8p0, -0x4000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4000000000000000000.80000002p0, 0x4000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4000000000000000000.80000002p0, -0x4000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4000000000000000001.7ffffffep0, 0x4000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4000000000000000001.7ffffffep0, -0x4000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4000000000000000001.8p0, 0x4000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4000000000000000001.8p0, -0x4000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x4000000000000000001.80000002p0, 0x4000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x4000000000000000001.80000002p0, -0x4000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7ffffffffffffffffff.fffffffep0, 0x8000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7ffffffffffffffffff.fffffffep0, -0x8000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000000000.7fffffffp0, 0x2000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000000000.7fffffffp0, -0x2000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000000000.8p0, 0x2000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000000000.8p0, -0x2000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000000000.80000001p0, 0x2000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000000000.80000001p0, -0x2000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000000001.7fffffffp0, 0x2000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000000001.7fffffffp0, -0x2000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000000001.8p0, 0x2000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000000001.8p0, -0x2000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000000001.80000001p0, 0x2000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000000001.80000001p0, -0x2000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3ffffffffffffffffff.ffffffffp0, 0x4000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3ffffffffffffffffff.ffffffffp0, -0x4000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000000000.7fffffff8p0, 0x1000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000000000.7fffffff8p0, -0x1000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000000000.8p0, 0x1000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000000000.8p0, -0x1000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000000000.800000008p0, 0x1000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000000000.800000008p0, -0x1000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000000001.7fffffff8p0, 0x1000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000000001.7fffffff8p0, -0x1000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000000001.8p0, 0x1000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000000001.8p0, -0x1000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000000001.800000008p0, 0x1000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000000001.800000008p0, -0x1000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1ffffffffffffffffff.ffffffff8p0, 0x2000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1ffffffffffffffffff.ffffffff8p0, -0x2000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 113
+    TEST_f_f (roundeven, 0x200000000000000000000.7ffffffep0, 0x200000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000.7ffffffep0, -0x200000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000.8p0, 0x200000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000.8p0, -0x200000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000.80000002p0, 0x200000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000.80000002p0, -0x200000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000001.7ffffffep0, 0x200000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000001.7ffffffep0, -0x200000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000001.8p0, 0x200000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000001.8p0, -0x200000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000001.80000002p0, 0x200000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000001.80000002p0, -0x200000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3ffffffffffffffffffff.fffffffep0, 0x400000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3ffffffffffffffffffff.fffffffep0, -0x400000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000000000000000.7fffffffp0, 0x100000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000000000000000.7fffffffp0, -0x100000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000000000000000.8p0, 0x100000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000000000000000.8p0, -0x100000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000000000000000.80000001p0, 0x100000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000000000000000.80000001p0, -0x100000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000000000000001.7fffffffp0, 0x100000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000000000000001.7fffffffp0, -0x100000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000000000000001.8p0, 0x100000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000000000000001.8p0, -0x100000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x100000000000000000001.80000001p0, 0x100000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x100000000000000000001.80000001p0, -0x100000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1ffffffffffffffffffff.ffffffffp0, 0x200000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1ffffffffffffffffffff.ffffffffp0, -0x200000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000000000000000.7fffffff8p0, 0x80000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000000000000000.7fffffff8p0, -0x80000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000000000000000.8p0, 0x80000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000000000000000.8p0, -0x80000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000000000000000.800000008p0, 0x80000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000000000000000.800000008p0, -0x80000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000000000000001.7fffffff8p0, 0x80000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000000000000001.7fffffff8p0, -0x80000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000000000000001.8p0, 0x80000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000000000000001.8p0, -0x80000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x80000000000000000001.800000008p0, 0x80000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x80000000000000000001.800000008p0, -0x80000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0xffffffffffffffffffff.ffffffff8p0, 0x100000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0xffffffffffffffffffff.ffffffff8p0, -0x100000000000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+
+    /* 63, 64, 65 fractional bits.  */
+#if MANT_DIG >= 106
+    TEST_f_f (roundeven, 0x40000000000.7ffffffffffffffep0, 0x40000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000000.7ffffffffffffffep0, -0x40000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000000.8p0, 0x40000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000000.8p0, -0x40000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000000.8000000000000002p0, 0x40000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000000.8000000000000002p0, -0x40000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000001.7ffffffffffffffep0, 0x40000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000001.7ffffffffffffffep0, -0x40000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000001.8p0, 0x40000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000001.8p0, -0x40000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x40000000001.8000000000000002p0, 0x40000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x40000000001.8000000000000002p0, -0x40000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x7ffffffffff.fffffffffffffffep0, 0x80000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x7ffffffffff.fffffffffffffffep0, -0x80000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x20000000000.7fffffffffffffffp0, 0x20000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x20000000000.7fffffffffffffffp0, -0x20000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x20000000000.8p0, 0x20000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x20000000000.8p0, -0x20000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x20000000000.8000000000000001p0, 0x20000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x20000000000.8000000000000001p0, -0x20000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x20000000001.7fffffffffffffffp0, 0x20000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x20000000001.7fffffffffffffffp0, -0x20000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x20000000001.8p0, 0x20000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x20000000001.8p0, -0x20000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x20000000001.8000000000000001p0, 0x20000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x20000000001.8000000000000001p0, -0x20000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3ffffffffff.ffffffffffffffffp0, 0x40000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3ffffffffff.ffffffffffffffffp0, -0x40000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000.7fffffffffffffff8p0, 0x10000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000.7fffffffffffffff8p0, -0x10000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000.8p0, 0x10000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000.8p0, -0x10000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000.80000000000000008p0, 0x10000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000.80000000000000008p0, -0x10000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000001.7fffffffffffffff8p0, 0x10000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000001.7fffffffffffffff8p0, -0x10000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000001.8p0, 0x10000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000001.8p0, -0x10000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000001.80000000000000008p0, 0x10000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000001.80000000000000008p0, -0x10000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1ffffffffff.ffffffffffffffff8p0, 0x20000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1ffffffffff.ffffffffffffffff8p0, -0x20000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 113
+    TEST_f_f (roundeven, 0x2000000000000.7ffffffffffffffep0, 0x2000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000.7ffffffffffffffep0, -0x2000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000.8p0, 0x2000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000.8p0, -0x2000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000000.8000000000000002p0, 0x2000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000000.8000000000000002p0, -0x2000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000001.7ffffffffffffffep0, 0x2000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000001.7ffffffffffffffep0, -0x2000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000001.8p0, 0x2000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000001.8p0, -0x2000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x2000000000001.8000000000000002p0, 0x2000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x2000000000001.8000000000000002p0, -0x2000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3ffffffffffff.fffffffffffffffep0, 0x4000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3ffffffffffff.fffffffffffffffep0, -0x4000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000.7fffffffffffffffp0, 0x1000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000.7fffffffffffffffp0, -0x1000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000.8p0, 0x1000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000.8p0, -0x1000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000000.8000000000000001p0, 0x1000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000000.8000000000000001p0, -0x1000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000001.7fffffffffffffffp0, 0x1000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000001.7fffffffffffffffp0, -0x1000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000001.8p0, 0x1000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000001.8p0, -0x1000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1000000000001.8000000000000001p0, 0x1000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1000000000001.8000000000000001p0, -0x1000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1ffffffffffff.ffffffffffffffffp0, 0x2000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1ffffffffffff.ffffffffffffffffp0, -0x2000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800000000000.7fffffffffffffff8p0, 0x800000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800000000000.7fffffffffffffff8p0, -0x800000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800000000000.8p0, 0x800000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800000000000.8p0, -0x800000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800000000000.80000000000000008p0, 0x800000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800000000000.80000000000000008p0, -0x800000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800000000001.7fffffffffffffff8p0, 0x800000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800000000001.7fffffffffffffff8p0, -0x800000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800000000001.8p0, 0x800000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800000000001.8p0, -0x800000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800000000001.80000000000000008p0, 0x800000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800000000001.80000000000000008p0, -0x800000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0xffffffffffff.ffffffffffffffff8p0, 0x1000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0xffffffffffff.ffffffffffffffff8p0, -0x1000000000000p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+
+    /* Maximum exponent for noninteger values.  */
+    TEST_f_f (roundeven, 0x800001p-1, 0x800000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800001p-1, -0x800000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800002p-1, 0x800002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800002p-1, -0x800002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800003p-1, 0x800004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800003p-1, -0x800004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800004p-1, 0x800004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800004p-1, -0x800004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800005p-1, 0x800004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800005p-1, -0x800004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0xffffffp-1, 0x1000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0xffffffp-1, -0x1000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#if MANT_DIG >= 53
+    TEST_f_f (roundeven, 0x10000000000001p-1, 0x10000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000001p-1, -0x10000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000002p-1, 0x10000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000002p-1, -0x10000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000003p-1, 0x10000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000003p-1, -0x10000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000004p-1, 0x10000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000004p-1, -0x10000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000005p-1, 0x10000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000005p-1, -0x10000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1fffffffffffffp-1, 0x20000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1fffffffffffffp-1, -0x20000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 64
+    TEST_f_f (roundeven, 0x8000000000000001p-1, 0x8000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000001p-1, -0x8000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x8000000000000002p-1, 0x8000000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000002p-1, -0x8000000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x8000000000000003p-1, 0x8000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000003p-1, -0x8000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x8000000000000004p-1, 0x8000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000004p-1, -0x8000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x8000000000000005p-1, 0x8000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000005p-1, -0x8000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0xffffffffffffffffp-1, 0x10000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0xffffffffffffffffp-1, -0x10000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 106
+    TEST_f_f (roundeven, 0x200000000000000000000000001p-1, 0x200000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000001p-1, -0x200000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000000002p-1, 0x200000000000000000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000002p-1, -0x200000000000000000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000000003p-1, 0x200000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000003p-1, -0x200000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000000004p-1, 0x200000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000004p-1, -0x200000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000000005p-1, 0x200000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000005p-1, -0x200000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x3ffffffffffffffffffffffffffp-1, 0x400000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x3ffffffffffffffffffffffffffp-1, -0x400000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 113
+    TEST_f_f (roundeven, 0x10000000000000000000000000001p-1, 0x10000000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000001p-1, -0x10000000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000000000000000000002p-1, 0x10000000000000000000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000002p-1, -0x10000000000000000000000000002p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000000000000000000003p-1, 0x10000000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000003p-1, -0x10000000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000000000000000000004p-1, 0x10000000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000004p-1, -0x10000000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000000000000000000005p-1, 0x10000000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000005p-1, -0x10000000000000000000000000004p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x1ffffffffffffffffffffffffffffp-1, 0x20000000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x1ffffffffffffffffffffffffffffp-1, -0x20000000000000000000000000000p-1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+
+    /* Minimum exponent forcing integer values.  */
+    TEST_f_f (roundeven, 0x800001p0, 0x800001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800001p0, -0x800001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800002p0, 0x800002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800002p0, -0x800002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x800003p0, 0x800003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x800003p0, -0x800003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#if MANT_DIG >= 53
+    TEST_f_f (roundeven, 0x10000000000001p0, 0x10000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000001p0, -0x10000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000002p0, 0x10000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000002p0, -0x10000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000003p0, 0x10000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000003p0, -0x10000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 64
+    TEST_f_f (roundeven, 0x8000000000000001p0, 0x8000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000001p0, -0x8000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x8000000000000002p0, 0x8000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000002p0, -0x8000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x8000000000000003p0, 0x8000000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x8000000000000003p0, -0x8000000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 106
+    TEST_f_f (roundeven, 0x200000000000000000000000001p0, 0x200000000000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000001p0, -0x200000000000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000000002p0, 0x200000000000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000002p0, -0x200000000000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x200000000000000000000000003p0, 0x200000000000000000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x200000000000000000000000003p0, -0x200000000000000000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+#if MANT_DIG >= 113
+    TEST_f_f (roundeven, 0x10000000000000000000000000001p0, 0x10000000000000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000001p0, -0x10000000000000000000000000001p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000000000000000000002p0, 0x10000000000000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000002p0, -0x10000000000000000000000000002p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, 0x10000000000000000000000000003p0, 0x10000000000000000000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (roundeven, -0x10000000000000000000000000003p0, -0x10000000000000000000000000003p0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+#endif
+  };
+
+static void
+roundeven_test (void)
+{
+  ALL_RM_TEST (roundeven, 1, roundeven_test_data, RUN_TEST_LOOP_f_f, END);
+}
+
+
 static const struct test_ff_f_data scalb_test_data[] =
   {
     /* Results in this case are unspecified by POSIX, so, for an
@@ -14266,6 +14869,7 @@ main (int argc, char **argv)
   lrint_test ();
   llrint_test ();
   round_test ();
+  roundeven_test ();
   lround_test ();
   llround_test ();
   trunc_test ();
diff --git a/math/test-tgmath.c b/math/test-tgmath.c
index b9095271ea..7a58d99985 100644
--- a/math/test-tgmath.c
+++ b/math/test-tgmath.c
@@ -50,7 +50,7 @@ int count_cdouble;
 int count_cfloat;
 int count_cldouble;
 
-#define NCALLS     132
+#define NCALLS     134
 #define NCALLS_INT 4
 #define NCCALLS    47
 
@@ -264,6 +264,7 @@ F(compile_test) (void)
   b = fmod (fmod (a, b), fmod (c, x));
   a = nearbyint (nearbyint (x));
   b = round (round (a));
+  c = roundeven (roundeven (a));
   a = trunc (trunc (x));
   b = remquo (remquo (a, b, &i), remquo (c, x, &i), &i);
   j = lrint (x) + lround (a);
@@ -367,6 +368,7 @@ F(compile_test) (void)
       a = fmod (y, y);
       a = nearbyint (y);
       a = round (y);
+      a = roundeven (y);
       a = trunc (y);
       a = remquo (y, y, &i);
       j = lrint (y) + lround (y);
@@ -693,6 +695,14 @@ TYPE
 }
 
 TYPE
+(F(roundeven)) (TYPE x)
+{
+  ++count;
+  P ();
+  return x;
+}
+
+TYPE
 (F(trunc)) (TYPE x)
 {
   ++count;
diff --git a/math/tgmath.h b/math/tgmath.h
index 8a895a5447..433a348393 100644
--- a/math/tgmath.h
+++ b/math/tgmath.h
@@ -438,6 +438,9 @@
      __TGMATH_TERNARY_REAL_ONLY (Val1, Val2, Val3, fma)
 
 #if __GLIBC_USE (IEC_60559_BFP_EXT)
+/* Round X to nearest integer value, rounding halfway cases to even.  */
+# define roundeven(Val) __TGMATH_UNARY_REAL_ONLY (Val, roundeven)
+
 /* Like ilogb, but returning long int.  */
 # define llogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, long int, llogb)
 
diff --git a/sysdeps/ieee754/dbl-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/s_roundeven.c
new file mode 100644
index 0000000000..27e15e35ad
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/s_roundeven.c
@@ -0,0 +1,106 @@
+/* Round to nearest integer value, rounding halfway cases to even.
+   dbl-64 version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <stdint.h>
+
+#define BIAS 0x3ff
+#define MANT_DIG 53
+#define MAX_EXP (2 * BIAS + 1)
+
+double
+roundeven (double x)
+{
+  uint32_t hx, lx, uhx;
+  EXTRACT_WORDS (hx, lx, x);
+  uhx = hx & 0x7fffffff;
+  int exponent = uhx >> (MANT_DIG - 1 - 32);
+  if (exponent >= BIAS + MANT_DIG - 1)
+    {
+      /* Integer, infinity or NaN.  */
+      if (exponent == MAX_EXP)
+	/* Infinity or NaN; quiet signaling NaNs.  */
+	return x + x;
+      else
+	return x;
+    }
+  else if (exponent >= BIAS + MANT_DIG - 32)
+    {
+      /* Not necessarily an integer; integer bit is in low word.
+	 Locate the bits with exponents 0 and -1.  */
+      int int_pos = (BIAS + MANT_DIG - 1) - exponent;
+      int half_pos = int_pos - 1;
+      uint32_t half_bit = 1U << half_pos;
+      uint32_t int_bit = 1U << int_pos;
+      if ((lx & (int_bit | (half_bit - 1))) != 0)
+	{
+	  /* Carry into the exponent works correctly.  No need to test
+	     whether HALF_BIT is set.  */
+	  lx += half_bit;
+	  hx += lx < half_bit;
+	}
+      lx &= ~(int_bit - 1);
+    }
+  else if (exponent == BIAS + MANT_DIG - 33)
+    {
+      /* Not necessarily an integer; integer bit is bottom of high
+	 word, half bit is top of low word.  */
+      if (((hx & 1) | (lx & 0x7fffffff)) != 0)
+	{
+	  lx += 0x80000000;
+	  hx += lx < 0x80000000;
+	}
+      lx = 0;
+    }
+  else if (exponent >= BIAS)
+    {
+      /* At least 1; not necessarily an integer, integer bit and half
+	 bit are in the high word.  Locate the bits with exponents 0
+	 and -1 (when the unbiased exponent is 0, the bit with
+	 exponent 0 is implicit, but as the bias is odd it is OK to
+	 take it from the low bit of the exponent).  */
+      int int_pos = (BIAS + MANT_DIG - 33) - exponent;
+      int half_pos = int_pos - 1;
+      uint32_t half_bit = 1U << half_pos;
+      uint32_t int_bit = 1U << int_pos;
+      if (((hx & (int_bit | (half_bit - 1))) | lx) != 0)
+	hx += half_bit;
+      hx &= ~(int_bit - 1);
+      lx = 0;
+    }
+  else if (exponent == BIAS - 1 && (uhx > 0x3fe00000 || lx != 0))
+    {
+      /* Interval (0.5, 1).  */
+      hx = (hx & 0x80000000) | 0x3ff00000;
+      lx = 0;
+    }
+  else
+    {
+      /* Rounds to 0.  */
+      hx &= 0x80000000;
+      lx = 0;
+    }
+  INSERT_WORDS (x, hx, lx);
+  return x;
+}
+hidden_def (roundeven)
+#ifdef NO_LONG_DOUBLE
+weak_alias (roundeven, roundevenl)
+#endif
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c
new file mode 100644
index 0000000000..1fa3ef319d
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_roundeven.c
@@ -0,0 +1,72 @@
+/* Round to nearest integer value, rounding halfway cases to even.
+   dbl-64/wordsize-64 version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <stdint.h>
+
+#define BIAS 0x3ff
+#define MANT_DIG 53
+#define MAX_EXP (2 * BIAS + 1)
+
+double
+roundeven (double x)
+{
+  uint64_t ix, ux;
+  EXTRACT_WORDS64 (ix, x);
+  ux = ix & 0x7fffffffffffffffULL;
+  int exponent = ux >> (MANT_DIG - 1);
+  if (exponent >= BIAS + MANT_DIG - 1)
+    {
+      /* Integer, infinity or NaN.  */
+      if (exponent == MAX_EXP)
+	/* Infinity or NaN; quiet signaling NaNs.  */
+	return x + x;
+      else
+	return x;
+    }
+  else if (exponent >= BIAS)
+    {
+      /* At least 1; not necessarily an integer.  Locate the bits with
+	 exponents 0 and -1 (when the unbiased exponent is 0, the bit
+	 with exponent 0 is implicit, but as the bias is odd it is OK
+	 to take it from the low bit of the exponent).  */
+      int int_pos = (BIAS + MANT_DIG - 1) - exponent;
+      int half_pos = int_pos - 1;
+      uint64_t half_bit = 1ULL << half_pos;
+      uint64_t int_bit = 1ULL << int_pos;
+      if ((ix & (int_bit | (half_bit - 1))) != 0)
+	/* Carry into the exponent works correctly.  No need to test
+	   whether HALF_BIT is set.  */
+	ix += half_bit;
+      ix &= ~(int_bit - 1);
+    }
+  else if (exponent == BIAS - 1 && ux > 0x3fe0000000000000ULL)
+    /* Interval (0.5, 1).  */
+    ix = (ix & 0x8000000000000000ULL) | 0x3ff0000000000000ULL;
+  else
+    /* Rounds to 0.  */
+    ix &= 0x8000000000000000ULL;
+  INSERT_WORDS64 (x, ix);
+  return x;
+}
+hidden_def (roundeven)
+#ifdef NO_LONG_DOUBLE
+weak_alias (roundeven, roundevenl)
+#endif
diff --git a/sysdeps/ieee754/flt-32/s_roundevenf.c b/sysdeps/ieee754/flt-32/s_roundevenf.c
new file mode 100644
index 0000000000..db2e0487d6
--- /dev/null
+++ b/sysdeps/ieee754/flt-32/s_roundevenf.c
@@ -0,0 +1,68 @@
+/* Round to nearest integer value, rounding halfway cases to even.
+   flt-32 version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <stdint.h>
+
+#define BIAS 0x7f
+#define MANT_DIG 24
+#define MAX_EXP (2 * BIAS + 1)
+
+float
+roundevenf (float x)
+{
+  uint32_t ix, ux;
+  GET_FLOAT_WORD (ix, x);
+  ux = ix & 0x7fffffff;
+  int exponent = ux >> (MANT_DIG - 1);
+  if (exponent >= BIAS + MANT_DIG - 1)
+    {
+      /* Integer, infinity or NaN.  */
+      if (exponent == MAX_EXP)
+	/* Infinity or NaN; quiet signaling NaNs.  */
+	return x + x;
+      else
+	return x;
+    }
+  else if (exponent >= BIAS)
+    {
+      /* At least 1; not necessarily an integer.  Locate the bits with
+	 exponents 0 and -1 (when the unbiased exponent is 0, the bit
+	 with exponent 0 is implicit, but as the bias is odd it is OK
+	 to take it from the low bit of the exponent).  */
+      int int_pos = (BIAS + MANT_DIG - 1) - exponent;
+      int half_pos = int_pos - 1;
+      uint32_t half_bit = 1U << half_pos;
+      uint32_t int_bit = 1U << int_pos;
+      if ((ix & (int_bit | (half_bit - 1))) != 0)
+	/* Carry into the exponent works correctly.  No need to test
+	   whether HALF_BIT is set.  */
+	ix += half_bit;
+      ix &= ~(int_bit - 1);
+    }
+  else if (exponent == BIAS - 1 && ux > 0x3f000000)
+    /* Interval (0.5, 1).  */
+    ix = (ix & 0x80000000) | 0x3f800000;
+  else
+    /* Rounds to 0.  */
+    ix &= 0x80000000;
+  SET_FLOAT_WORD (x, ix);
+  return x;
+}
diff --git a/sysdeps/ieee754/ldbl-128/s_roundevenl.c b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
new file mode 100644
index 0000000000..de042acf2d
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128/s_roundevenl.c
@@ -0,0 +1,102 @@
+/* Round to nearest integer value, rounding halfway cases to even.
+   ldbl-128 version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <stdint.h>
+
+#define BIAS 0x3fff
+#define MANT_DIG 113
+#define MAX_EXP (2 * BIAS + 1)
+
+_Float128
+roundevenl (_Float128 x)
+{
+  uint64_t hx, lx, uhx;
+  GET_LDOUBLE_WORDS64 (hx, lx, x);
+  uhx = hx & 0x7fffffffffffffffULL;
+  int exponent = uhx >> (MANT_DIG - 1 - 64);
+  if (exponent >= BIAS + MANT_DIG - 1)
+    {
+      /* Integer, infinity or NaN.  */
+      if (exponent == MAX_EXP)
+	/* Infinity or NaN; quiet signaling NaNs.  */
+	return x + x;
+      else
+	return x;
+    }
+  else if (exponent >= BIAS + MANT_DIG - 64)
+    {
+      /* Not necessarily an integer; integer bit is in low word.
+	 Locate the bits with exponents 0 and -1.  */
+      int int_pos = (BIAS + MANT_DIG - 1) - exponent;
+      int half_pos = int_pos - 1;
+      uint64_t half_bit = 1ULL << half_pos;
+      uint64_t int_bit = 1ULL << int_pos;
+      if ((lx & (int_bit | (half_bit - 1))) != 0)
+	{
+	  /* Carry into the exponent works correctly.  No need to test
+	     whether HALF_BIT is set.  */
+	  lx += half_bit;
+	  hx += lx < half_bit;
+	}
+      lx &= ~(int_bit - 1);
+    }
+  else if (exponent == BIAS + MANT_DIG - 65)
+    {
+      /* Not necessarily an integer; integer bit is bottom of high
+	 word, half bit is top of low word.  */
+      if (((hx & 1) | (lx & 0x7fffffffffffffffULL)) != 0)
+	{
+	  lx += 0x8000000000000000ULL;
+	  hx += lx < 0x8000000000000000ULL;
+	}
+      lx = 0;
+    }
+  else if (exponent >= BIAS)
+    {
+      /* At least 1; not necessarily an integer, integer bit and half
+	 bit are in the high word.  Locate the bits with exponents 0
+	 and -1 (when the unbiased exponent is 0, the bit with
+	 exponent 0 is implicit, but as the bias is odd it is OK to
+	 take it from the low bit of the exponent).  */
+      int int_pos = (BIAS + MANT_DIG - 65) - exponent;
+      int half_pos = int_pos - 1;
+      uint64_t half_bit = 1ULL << half_pos;
+      uint64_t int_bit = 1ULL << int_pos;
+      if (((hx & (int_bit | (half_bit - 1))) | lx) != 0)
+	hx += half_bit;
+      hx &= ~(int_bit - 1);
+      lx = 0;
+    }
+  else if (exponent == BIAS - 1 && (uhx > 0x3ffe000000000000ULL || lx != 0))
+    {
+      /* Interval (0.5, 1).  */
+      hx = (hx & 0x8000000000000000ULL) | 0x3fff000000000000ULL;
+      lx = 0;
+    }
+  else
+    {
+      /* Rounds to 0.  */
+      hx &= 0x8000000000000000ULL;
+      lx = 0;
+    }
+  SET_LDOUBLE_WORDS64 (x, hx, lx);
+  return x;
+}
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_roundevenl.c b/sysdeps/ieee754/ldbl-128ibm/s_roundevenl.c
new file mode 100644
index 0000000000..cd91d3905c
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm/s_roundevenl.c
@@ -0,0 +1,69 @@
+/* Round to nearest integer value, rounding halfway cases to even.
+   ldbl-128ibm version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+
+long double
+roundevenl (long double x)
+{
+  double xh, xl, hi;
+
+  ldbl_unpack (x, &xh, &xl);
+
+  if (xh != 0 && isfinite (xh))
+    {
+      hi = roundeven (xh);
+      if (hi != xh)
+	{
+	  /* The high part is not an integer; the low part only
+	     affects the result if the high part is exactly half way
+	     between two integers and the low part is nonzero in the
+	     opposite direction to the rounding of the high part.  */
+	  double diff = hi - xh;
+	  if (fabs (diff) == 0.5)
+	    {
+	      if (xl < 0 && diff > 0)
+		xh = hi - 1;
+	      else if (xl > 0 && diff < 0)
+		xh = hi + 1;
+	      else
+		xh = hi;
+	    }
+	  else
+	    xh = hi;
+	  xl = 0;
+	}
+      else
+	{
+	  /* The high part is a nonzero integer.  Rounding the low
+	     part to nearest, ties round to even, is always correct,
+	     as a high part that is an odd integer together with a low
+	     part with magnitude 0.5 is not a valid long double.  */
+	  xl = roundeven (xl);
+	  xh = hi;
+	  ldbl_canonicalize_int (&xh, &xl);
+	}
+    }
+  else
+    /* Quiet signaling NaN arguments.  */
+    xh += xh;
+
+  return ldbl_pack (xh, xl);
+}
diff --git a/sysdeps/ieee754/ldbl-96/s_roundevenl.c b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
new file mode 100644
index 0000000000..f635b1f683
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/s_roundevenl.c
@@ -0,0 +1,124 @@
+/* Round to nearest integer value, rounding halfway cases to even.
+   ldbl-96 version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+#include <stdint.h>
+
+#define BIAS 0x3fff
+#define MANT_DIG 64
+#define MAX_EXP (2 * BIAS + 1)
+
+long double
+roundevenl (long double x)
+{
+  uint16_t se;
+  uint32_t hx, lx;
+  GET_LDOUBLE_WORDS (se, hx, lx, x);
+  int exponent = se & 0x7fff;
+  if (exponent >= BIAS + MANT_DIG - 1)
+    {
+      /* Integer, infinity or NaN.  */
+      if (exponent == MAX_EXP)
+	/* Infinity or NaN; quiet signaling NaNs.  */
+	return x + x;
+      else
+	return x;
+    }
+  else if (exponent >= BIAS + MANT_DIG - 32)
+    {
+      /* Not necessarily an integer; integer bit is in low word.
+	 Locate the bits with exponents 0 and -1.  */
+      int int_pos = (BIAS + MANT_DIG - 1) - exponent;
+      int half_pos = int_pos - 1;
+      uint32_t half_bit = 1U << half_pos;
+      uint32_t int_bit = 1U << int_pos;
+      if ((lx & (int_bit | (half_bit - 1))) != 0)
+	{
+	  /* No need to test whether HALF_BIT is set.  */
+	  lx += half_bit;
+	  if (lx < half_bit)
+	    {
+	      hx++;
+	      if (hx == 0)
+		{
+		  hx = 0x80000000;
+		  se++;
+		}
+	    }
+	}
+      lx &= ~(int_bit - 1);
+    }
+  else if (exponent == BIAS + MANT_DIG - 33)
+    {
+      /* Not necessarily an integer; integer bit is bottom of high
+	 word, half bit is top of low word.  */
+      if (((hx & 1) | (lx & 0x7fffffff)) != 0)
+	{
+	  lx += 0x80000000;
+	  if (lx < 0x80000000)
+	    {
+	      hx++;
+	      if (hx == 0)
+		{
+		  hx = 0x80000000;
+		  se++;
+		}
+	    }
+	}
+      lx = 0;
+    }
+  else if (exponent >= BIAS)
+    {
+      /* At least 1; not necessarily an integer, integer bit and half
+	 bit are in the high word.  Locate the bits with exponents 0
+	 and -1.  */
+      int int_pos = (BIAS + MANT_DIG - 33) - exponent;
+      int half_pos = int_pos - 1;
+      uint32_t half_bit = 1U << half_pos;
+      uint32_t int_bit = 1U << int_pos;
+      if (((hx & (int_bit | (half_bit - 1))) | lx) != 0)
+	{
+	  hx += half_bit;
+	  if (hx < half_bit)
+	    {
+	      hx = 0x80000000;
+	      se++;
+	    }
+	}
+      hx &= ~(int_bit - 1);
+      lx = 0;
+    }
+  else if (exponent == BIAS - 1 && (hx > 0x80000000 || lx != 0))
+    {
+      /* Interval (0.5, 1).  */
+      se = (se & 0x8000) | 0x3fff;
+      hx = 0x80000000;
+      lx = 0;
+    }
+  else
+    {
+      /* Rounds to 0.  */
+      se &= 0x8000;
+      hx = 0;
+      lx = 0;
+    }
+  SET_LDOUBLE_WORDS (x, se, hx, lx);
+  return x;
+}
diff --git a/sysdeps/ieee754/ldbl-opt/Makefile b/sysdeps/ieee754/ldbl-opt/Makefile
index 99aa6c6e0b..006d0d59ee 100644
--- a/sysdeps/ieee754/ldbl-opt/Makefile
+++ b/sysdeps/ieee754/ldbl-opt/Makefile
@@ -43,7 +43,8 @@ libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \
 		 isoc99_wscanf isoc99_fwscanf isoc99_swscanf \
 		 isoc99_vwscanf isoc99_vfwscanf isoc99_vswscanf \
 		 nextup nextdown totalorder totalordermag getpayload \
-		 canonicalize setpayload setpayloadsig llogb fmaxmag fminmag
+		 canonicalize setpayload setpayloadsig llogb fmaxmag fminmag \
+		 roundeven
 libnldbl-routines = $(libnldbl-calls:%=nldbl-%)
 libnldbl-inhibit-o = $(object-suffixes)
 libnldbl-static-only-routines = $(libnldbl-routines)
@@ -138,6 +139,7 @@ CFLAGS-nldbl-remainder.c = -fno-builtin-remainderl -fno-builtin-dreml
 CFLAGS-nldbl-remquo.c = -fno-builtin-remquol
 CFLAGS-nldbl-rint.c = -fno-builtin-rintl
 CFLAGS-nldbl-round.c = -fno-builtin-roundl
+CFLAGS-nldbl-roundeven.c = -fno-builtin-roundevenl
 CFLAGS-nldbl-scalb.c = -fno-builtin-scalbl
 CFLAGS-nldbl-scalbln.c = -fno-builtin-scalblnl
 CFLAGS-nldbl-scalbn.c = -fno-builtin-scalbnl
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-roundeven.c b/sysdeps/ieee754/ldbl-opt/nldbl-roundeven.c
new file mode 100644
index 0000000000..cd52e7376f
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-roundeven.c
@@ -0,0 +1,26 @@
+/* Compatibility routine for IEEE double as long double for roundeven.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "nldbl-compat.h"
+
+double
+attribute_hidden
+roundevenl (double x)
+{
+  return roundeven (x);
+}
diff --git a/sysdeps/nacl/libm.abilist b/sysdeps/nacl/libm.abilist
index 36fe57c9bd..48483c5978 100644
--- a/sysdeps/nacl/libm.abilist
+++ b/sysdeps/nacl/libm.abilist
@@ -401,6 +401,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
index 3afa24c382..8059e40c50 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
@@ -433,6 +433,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/alpha/libm.abilist b/sysdeps/unix/sysv/linux/alpha/libm.abilist
index 0d9823c017..41284933d7 100644
--- a/sysdeps/unix/sysv/linux/alpha/libm.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist
@@ -443,6 +443,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/arm/libm.abilist b/sysdeps/unix/sysv/linux/arm/libm.abilist
index c2acd838bd..7af2ea0624 100644
--- a/sysdeps/unix/sysv/linux/arm/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/libm.abilist
@@ -90,6 +90,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/hppa/libm.abilist b/sysdeps/unix/sysv/linux/hppa/libm.abilist
index dabaa17aca..14670bdfbc 100644
--- a/sysdeps/unix/sysv/linux/hppa/libm.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist
@@ -402,6 +402,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/i386/libm.abilist b/sysdeps/unix/sysv/linux/i386/libm.abilist
index 929a8b0f95..ab94e90f91 100644
--- a/sysdeps/unix/sysv/linux/i386/libm.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libm.abilist
@@ -446,6 +446,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/ia64/libm.abilist b/sysdeps/unix/sysv/linux/ia64/libm.abilist
index 7b21f7818a..ad89d24f13 100644
--- a/sysdeps/unix/sysv/linux/ia64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libm.abilist
@@ -375,6 +375,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
index c2acd838bd..7af2ea0624 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
@@ -90,6 +90,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
index dd072f2d71..f09e2c2c3a 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
@@ -444,6 +444,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/microblaze/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/libm.abilist
index 2b9bcdb875..652fa4ad37 100644
--- a/sysdeps/unix/sysv/linux/microblaze/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/libm.abilist
@@ -401,6 +401,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
index 4894b3446e..3b34a14ddd 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
@@ -403,6 +403,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
index 0f0798e97e..bec1e69d92 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
@@ -435,6 +435,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/nios2/libm.abilist b/sysdeps/unix/sysv/linux/nios2/libm.abilist
index 4ac5f07a64..3af50698de 100644
--- a/sysdeps/unix/sysv/linux/nios2/libm.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libm.abilist
@@ -401,6 +401,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
index 0b5757802f..b365e15dda 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
@@ -446,6 +446,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
index 1365d0c39a..f486c2f5e9 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
@@ -445,6 +445,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
index 6f930d8da0..eeb5236ac5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist
@@ -440,6 +440,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
index 4407cbbb88..f7198006e5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist
@@ -121,6 +121,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
index 645106c63d..e720f35791 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
@@ -433,6 +433,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
index 228724a624..36bab6a884 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
@@ -431,6 +431,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/sh/libm.abilist b/sysdeps/unix/sysv/linux/sh/libm.abilist
index d2346591ca..0dcfb78190 100644
--- a/sysdeps/unix/sysv/linux/sh/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/libm.abilist
@@ -402,6 +402,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
index 789ccd3359..676d0353cd 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
@@ -436,6 +436,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
index 2377bb2e46..3589368989 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
@@ -434,6 +434,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
index bd57079bf8..8323ccf270 100644
--- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist
@@ -402,6 +402,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
index bd57079bf8..8323ccf270 100644
--- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist
@@ -402,6 +402,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
index bd57079bf8..8323ccf270 100644
--- a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
+++ b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist
@@ -402,6 +402,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
index 801da8aeae..34ece25098 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
@@ -435,6 +435,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
index 3c7082ec50..d23a83d502 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
@@ -434,6 +434,9 @@ GLIBC_2.25 getpayloadl F
 GLIBC_2.25 llogb F
 GLIBC_2.25 llogbf F
 GLIBC_2.25 llogbl F
+GLIBC_2.25 roundeven F
+GLIBC_2.25 roundevenf F
+GLIBC_2.25 roundevenl F
 GLIBC_2.25 setpayload F
 GLIBC_2.25 setpayloadf F
 GLIBC_2.25 setpayloadl F