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authorJakub Jelinek <jakub@redhat.com>2010-01-16 17:55:37 -0800
committerUlrich Drepper <drepper@redhat.com>2010-01-16 17:55:37 -0800
commit64f388285e11812f041d3aa8347f82efde4033c1 (patch)
tree5631149d6951216e5c41ea136ee26c5da06e08dc /sysdeps/ieee754/ldbl-128/s_nexttowardf.c
parent893549c5a06956d2559391a3ffdeb6ded53b65c0 (diff)
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sysdeps/ieee754/ldbl-128/ fixes
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_nexttowardf.c')
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nexttowardf.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128/s_nexttowardf.c
index 1a22e0102c..1f37d80e04 100644
--- a/sysdeps/ieee754/ldbl-128/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-128/s_nexttowardf.c
@@ -44,10 +44,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,(u_int32_t)((hy>>32)&0x80000000)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hy<0||(ix>>23)>(iy>>48)-0x3f80
@@ -68,12 +70,9 @@ static char rcsid[] = "$NetBSD: $";
}
hy = hx&0x7f800000;
if(hy>=0x7f800000) return x+x; /* overflow */
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;