fix math.h

Declare sin/cos and M_PI in math.h.
2013-01-09 21:37:41 +08:00 · 2013-01-09 21:37:41 +08:00 · 1bb22a0a0b
parent accace98e0
commit 1bb22a0a0b
2 changed files with 7 additions and 3 deletions
--- 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};
--- 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