Skip to content
This repository has been archived by the owner on Feb 11, 2021. It is now read-only.

Latest commit

 

History

History
53 lines (40 loc) · 1.63 KB

math.h

File metadata and controls

53 lines (40 loc) · 1.63 KB
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#ifdef HAVE_MATH_H
Oct 12, 2008
Oct 12, 2008
25
#define _USE_MATH_DEFINES
26
27
28
#include <math.h>
#else
Sep 15, 2008
Sep 15, 2008
29
30
/* Math routines from uClibc: http://www.uclibc.org */
Oct 12, 2008
Oct 12, 2008
31
32
#define M_PI 3.14159265358979323846264338327950288 /* pi */
33
34
35
36
37
38
39
40
41
42
43
extern double __ieee754_log(double x);
extern double __ieee754_pow(double x, double y);
extern double __ieee754_sqrt(double x);
#define log(x) __ieee754_log(x)
#define pow(x, y) __ieee754_pow(x, y)
#define sqrt(x) __ieee754_sqrt(x)
extern double copysign(double x, double y);
extern double cos(double x);
extern double fabs(double x);
Sep 15, 2008
Sep 15, 2008
44
extern double floor(double x);
45
46
47
extern double scalbn(double x, int n);
extern double sin(double x);
Oct 12, 2008
Oct 12, 2008
48
49
50
#define sinf(x) (float)sin((double)x)
#define cosf(x) (float)cos((double)x)
51
52
53
#endif /* HAVE_MATH_H */
/* vi: set ts=4 sw=4 expandtab: */