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| author | Robert Bradshaw <robertwb@gmail.com> | 2013-04-09 14:34:23 -0700 |
|---|---|---|
| committer | Robert Bradshaw <robertwb@gmail.com> | 2013-04-09 14:34:23 -0700 |
| commit | ef219fd6487ba2f93d1f4d02761f27e041af1ac9 (patch) | |
| tree | 1d5e5b3d81577de33b49434295c690906b1a5644 /Cython/Utility/ModuleSetupCode.c | |
| parent | 7e8fc267ef4cd4f0cad3a59cd9d3438564bee150 (diff) | |
| download | cython-ef219fd6487ba2f93d1f4d02761f27e041af1ac9.tar.gz | |
Ensure NAN is always initialized.
Diffstat (limited to 'Cython/Utility/ModuleSetupCode.c')
| -rw-r--r-- | Cython/Utility/ModuleSetupCode.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Cython/Utility/ModuleSetupCode.c b/Cython/Utility/ModuleSetupCode.c index e28844ccd..295307237 100644 --- a/Cython/Utility/ModuleSetupCode.c +++ b/Cython/Utility/ModuleSetupCode.c @@ -262,6 +262,19 @@ #define __Pyx_DOCSTR(n) (n) #endif +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static inline float __PYX_NAN() { + /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and + a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is + a quiet NaN. */ + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif + /////////////// UtilityFunctionPredeclarations.proto /////////////// /* inline attribute */ |