diff options
| author | Grissiom <[email protected]> | 2013-01-09 21:37:41 +0800 |
|---|---|---|
| committer | Grissiom <[email protected]> | 2013-01-09 21:37:41 +0800 |
| commit | 1bb22a0a0b77370499a680a1fa4c964e1a10909b (patch) | |
| tree | c9edafbd330a65a53d3201da369c33b0c5b846fc /components | |
| parent | accace98e05eda28c116eb04502eb92d01b6ef1e (diff) | |
fix math.h
Declare sin/cos and M_PI in math.h.
Diffstat (limited to 'components')
| -rw-r--r-- | components/libc/minilibc/math.c | 1 | ||||
| -rw-r--r-- | components/libc/minilibc/math.h | 9 |
2 files changed, 7 insertions, 3 deletions
diff --git a/components/libc/minilibc/math.c b/components/libc/minilibc/math.c index bcba6051a8..27315a428c 100644 --- a/components/libc/minilibc/math.c +++ b/components/libc/minilibc/math.c @@ -9,7 +9,6 @@ */ #define PRECISION 9 -#define M_PI 3.141592653589793238462643 static double cos_off_tbl[] = {0.0, -M_PI/2., 0, -M_PI/2.}; static double cos_sign_tbl[] = {1,-1,-1,1}; diff --git a/components/libc/minilibc/math.h b/components/libc/minilibc/math.h index e2ce6f8e71..b436eb08b5 100644 --- a/components/libc/minilibc/math.h +++ b/components/libc/minilibc/math.h @@ -1,4 +1,9 @@ -#ifndef __STDIO_H__ -#define __STDIO_H__ +#ifndef __MATH_H__ +#define __MATH_H__ + +#define M_PI 3.141592653589793238462643 + +double sin(double x); +double cos(double x); #endif |