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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-05-20 16:07:49 -0500 |
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| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-05-20 16:07:49 -0500 |
| commit | e13bccd3de53227dd4d6ece08873e9bcdd76b08f (patch) | |
| tree | 49177b99cb7347c9625fbab5ce29cc0a640f9caf /include/stropts.h | |
| parent | 4406c41c1d6088abf01c216e49700cd3f8f01fcc (diff) | |
| download | glibc-e13bccd3de53227dd4d6ece08873e9bcdd76b08f.tar.gz glibc-e13bccd3de53227dd4d6ece08873e9bcdd76b08f.tar.xz glibc-e13bccd3de53227dd4d6ece08873e9bcdd76b08f.zip | |
PowerPC: Fix copysignf optimization macro
This patch fixes the __copysignf optimized macro meant to internal libm usage when used with constant value. Without the explicit cast to float, if it is used with const double value (for instance, on s_casinhf.c) double constants will be used and it may lead to precision issues in some algorithms. It fixes the following failures on PPC64/POWER7: Failure: Test: Real part of: cacos_downward (inf + 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_downward (inf - 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_downward (inf + 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_downward (inf - 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf + 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf - 0 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf + 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0 Failure: Test: Real part of: cacos_towardzero (inf - 0.5 i) Result: is: 1.19209289550781250000e-07 0x1.00000000000000000000p-23 should be: 0.00000000000000000000e+00 0x0.00000000000000000000p+0
Diffstat (limited to 'include/stropts.h')
0 files changed, 0 insertions, 0 deletions