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comparison src/libm/math.h @ 2769:2a46b5912665

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Added missing math.h functionality for SDL_audiocvt.c
author Sam Lantinga <slouken@libsdl.org>
date Sun, 12 Oct 2008 16:30:42 +0000
parents 26861c61142a
children 99210400e8b9
comparison
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2768:26861c61142a 2769:2a46b5912665
26 #include <math.h> 26 #include <math.h>
27 #else 27 #else
28 28
29 /* Math routines from uClibc: http://www.uclibc.org */ 29 /* Math routines from uClibc: http://www.uclibc.org */
30 30
31 #define M_PI 3.14159265358979323846264338327950288 /* pi */
32
31 extern double __ieee754_log(double x); 33 extern double __ieee754_log(double x);
32 extern double __ieee754_pow(double x, double y); 34 extern double __ieee754_pow(double x, double y);
33 extern double __ieee754_sqrt(double x); 35 extern double __ieee754_sqrt(double x);
34 36
35 #define log(x) __ieee754_log(x) 37 #define log(x) __ieee754_log(x)
41 extern double fabs(double x); 43 extern double fabs(double x);
42 extern double floor(double x); 44 extern double floor(double x);
43 extern double scalbn(double x, int n); 45 extern double scalbn(double x, int n);
44 extern double sin(double x); 46 extern double sin(double x);
45 47
48 #define sinf(x) (float)sin((double)x)
49 #define cosf(x) (float)cos((double)x)
50
46 #endif /* HAVE_MATH_H */ 51 #endif /* HAVE_MATH_H */
47 52
48 /* vi: set ts=4 sw=4 expandtab: */ 53 /* vi: set ts=4 sw=4 expandtab: */