cpython: d93bb3d636cf (original) (raw)
Mercurial > cpython
changeset 97490:d93bb3d636cf 3.5
#21167: Fix definition of NAN when ICC used without -fp-model strict. Patch from Chris Hogan of Intel, reviewed by Mark Dickinson. [#21167]
| R David Murray rdmurray@bitdance.com | |
|---|---|
| date | Sat, 15 Aug 2015 18:33:45 -0400 |
| parents | 5a9ac801f9b4 |
| children | c1523d5dee3c |
| files | Include/pymath.h Misc/ACKS Misc/NEWS |
| diffstat | 3 files changed, 27 insertions(+), 1 deletions(-)[+] [-] Include/pymath.h 24 Misc/ACKS 1 Misc/NEWS 3 |
line wrap: on
line diff
--- a/Include/pymath.h +++ b/Include/pymath.h @@ -150,7 +150,29 @@ PyAPI_FUNC(void) _Py_set_387controlword(
#if !defined(Py_NAN) && !defined(Py_NO_NAN) -#define Py_NAN (Py_HUGE_VAL * 0.) +#if !defined(__INTEL_COMPILER)
- #if defined(ICC_NAN_STRICT)
#pragma float_control(push)[](#l1.12)#pragma float_control(precise, on)[](#l1.13)#pragma float_control(except, on)[](#l1.14)#if defined(_MSC_VER)[](#l1.15)__declspec(noinline)[](#l1.16)#else /* Linux */[](#l1.17)__attribute__((noinline))[](#l1.18)#endif /* _MSC_VER */[](#l1.19)static double __icc_nan()[](#l1.20){[](#l1.21)return sqrt(-1.0);[](#l1.22)}[](#l1.23)#pragma float_control (pop)[](#l1.24)#define Py_NAN __icc_nan()[](#l1.25)- #else /* ICC_NAN_RELAXED as default for Intel Compiler */
static union { unsigned char buf[8]; double __icc_nan; } __nan_store = {0,0,0,0,0,0,0xf8,0x7f};[](#l1.27)#define Py_NAN (__nan_store.__icc_nan)[](#l1.28)- #endif /* ICC_NAN_STRICT */
+#endif /* __INTEL_COMPILER / #endif / Py_OVERFLOWED(X)
--- a/Misc/ACKS +++ b/Misc/ACKS @@ -594,6 +594,7 @@ Gregor Hoffleit Chris Hoffman Stefan Hoffmeister Albert Hofkamp +Chris Hogan Tomas Hoger Jonathan Hogg Kamilla Holanda
--- a/Misc/NEWS +++ b/Misc/NEWS @@ -10,6 +10,9 @@ Release date: 2015-08-23 Core and Builtins ----------------- +- Issue #21167: NAN operations are now handled correctly when python is