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| author | Colin Hogben <colin@infinnovation.co.uk> | 2016-05-09 22:11:34 +0100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2016-05-12 13:28:45 +0100 |
| commit | a896951a9a8d8585d094e5ee6d7d37ff17d1b73e (patch) | |
| tree | 842129f36be9d86e0c198ffb03e6bf050a268c07 /py/modmath.c | |
| parent | d45e5f8c357d13e66aeac644e2b5ead8c734025f (diff) | |
| download | micropython-a896951a9a8d8585d094e5ee6d7d37ff17d1b73e.tar.gz micropython-a896951a9a8d8585d094e5ee6d7d37ff17d1b73e.zip | |
py/objfloat, py/modmath: Ensure M_PI and M_E defined.
In some compliation enviroments (e.g. mbed online compiler) with
strict standards compliance, <math.h> does not define constants such
as M_PI. Provide fallback definitions of M_E and M_PI where needed.
Diffstat (limited to 'py/modmath.c')
| -rw-r--r-- | py/modmath.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/py/modmath.c b/py/modmath.c index 6abf8ab3e9..54262f6115 100644 --- a/py/modmath.c +++ b/py/modmath.c @@ -31,6 +31,11 @@ #include <math.h> +// M_PI is not part of the math.h standard and may not be defined +#ifndef M_PI +#define M_PI (3.14159265358979323846) +#endif + /// \module math - mathematical functions /// /// The `math` module provides some basic mathematical funtions for |