[COMMITTED] PowerPC: Fix modf/modff optimization return sign
Commit Message
I just pushed the above patch that fixes a wrong sign in next test for non-default
modf/modff rounding modes.
---
ChangeLog | 6 ++++++
sysdeps/powerpc/power5+/fpu/s_modf.c | 4 ++--
sysdeps/powerpc/power5+/fpu/s_modff.c | 4 ++--
3 files changed, 10 insertions(+), 4 deletions(-)
@@ -1,3 +1,9 @@
+2014-03-03 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * sysdeps/powerpc/power5+/fpu/s_modf.c (__modf): Fix to return correct
+ sign in non default rounding modes.
+ * sysdeps/powerpc/power5+/fpu/s_modff.c (__modff): Likewise.
+
2014-03-08 Joseph Myers <joseph@codesourcery.com>
* math/libm-test.inc (ALL_RM_TEST): New macro.
@@ -36,12 +36,12 @@ __modf (double x, double *iptr)
if (x >= 0.0)
{
*iptr = __floor (x);
- return (x - *iptr);
+ return __copysign (x - *iptr, x);
}
else
{
*iptr = __ceil (x);
- return (x - *iptr);
+ return __copysign (x - *iptr, x);
}
}
weak_alias (__modf, modf)
@@ -35,12 +35,12 @@ __modff (float x, float *iptr)
if (x >= 0.0)
{
*iptr = __floorf (x);
- return (x - *iptr);
+ return __copysignf (x - *iptr, x);
}
else
{
*iptr = __ceilf (x);
- return (x - *iptr);
+ return __copysignf (x - *iptr, x);
}
}
weak_alias (__modff, modff)