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authorUlrich Drepper <drepper@redhat.com>2003-12-07 21:22:46 +0000
committerUlrich Drepper <drepper@redhat.com>2003-12-07 21:22:46 +0000
commit07449987c90864fceb487994b4aaa5170803ab24 (patch)
tree76771090b9cb1866d55b5986c677e51dd768c3af /sysdeps/generic
parent64b02fd2f5fd5d2e2b7187b5e982fa6b59587500 (diff)
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Update.
2003-12-07  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/i386/fpu/s_nexttowardf.c: Construct overflow value correctly.
	* sysdeps/i386/fpu/s_nexttoward.c: Likewise.
	* sysdeps/ieee754/ldbl-128/s_nexttoward.c: Likewise.
	* sysdeps/ieee754/ldbl-96/s_nexttoward.c: Likewise.
	* math/Makefile (tests): Add bug-nexttoward.
	* math/bug-nexttowward.c: New file.

	* sysdeps/generic/s_nextafter.c: Make sure overflow exception is set.
	* sysdeps/ieee754/flt-32/s_nextafterf.c: Likewise.
	* math/bug-nextafter.c (main): Add tests for overflow and negative
	values.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/s_nextafter.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/sysdeps/generic/s_nextafter.c b/sysdeps/generic/s_nextafter.c
index 9290fc6568..c2d799d5df 100644
--- a/sysdeps/generic/s_nextafter.c
+++ b/sysdeps/generic/s_nextafter.c
@@ -72,12 +72,10 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp
 	}
 	hy = hx&0x7ff00000;
 	if(hy>=0x7ff00000) {
-#if FLT_EVAL_METHOD == 0 || FLT_EVAL_METHOD == 1
-	  return x+x;	/* overflow  */
-#else
-	  /* Note that y is either +Inf or -Inf.  */
-	  return x+y;
-#endif
+	  x = x+x;	/* overflow  */
+	  if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
+	    asm ("" : "=m"(x) : "m"(x));
+	  return x;	/* overflow  */
 	}
 	if(hy<0x00100000) {		/* underflow */
 	    y = x*x;