mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-18 18:46:22 +01:00
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
|
#ifndef _STD_MATH_H
|
||
|
|
#define _STD_MATH_H
|
||
|
|
|
||
|
|
// FG> doesn't work for me without this include (error C2039: 'sin' : is not a member of '`global namespace'')
|
||
|
|
#include <math.h>
|
||
|
|
#include <bfc/platform/types.h>
|
||
|
|
#ifdef __cplusplus
|
||
|
|
static inline double SIN(double a) { return ::sin(a); }
|
||
|
|
static inline double COS(double a) { return ::cos(a); }
|
||
|
|
static inline double SQRT(double a) { return ::sqrt(a); }
|
||
|
|
|
||
|
|
#else
|
||
|
|
#define SIN(a) sin(a)
|
||
|
|
#define COS(a) sin(a)
|
||
|
|
#define SQRT(a) sqrt(a)
|
||
|
|
unsigned long COMEXP BSWAP_C(unsigned long input);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
// neat trick from C++ book, p. 161
|
||
|
|
template<class T> inline T MAX(T a, T b) { return a > b ? a : b; }
|
||
|
|
template<class T> inline T MIN(T a, T b) { return a > b ? b : a; }
|
||
|
|
template<class T> inline T MINMAX(T a, T minval, T maxval) {
|
||
|
|
return (a < minval) ? minval : ( (a > maxval) ? maxval : a );
|
||
|
|
}
|
||
|
|
|
||
|
|
// and a couple of my own neat tricks :) BU
|
||
|
|
template<class T> inline T ABS(T a) { return a < 0 ? -a : a; }
|
||
|
|
template<class T> inline T SQR(T a) { return a * a; }
|
||
|
|
template<class T> inline int CMP3(T a, T b) {
|
||
|
|
if (a < b) return -1;
|
||
|
|
if (a == b) return 0;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline RGB24 RGBTOBGR(RGB24 col) {
|
||
|
|
return ((col & 0xFF00FF00) | ((col & 0xFF0000) >> 16) | ((col & 0xFF) << 16));
|
||
|
|
}
|
||
|
|
static inline RGB24 BGRTORGB(RGB24 col) { return RGBTOBGR(col); }
|
||
|
|
static inline ARGB32 BGRATOARGB(ARGB32 col) { return RGBTOBGR(col); }
|
||
|
|
|
||
|
|
void premultiplyARGB32(ARGB32 *words, int nwords=1);
|
||
|
|
|
||
|
|
#else // not __cplusplus
|
||
|
|
void COMEXP premultiplyARGB32(ARGB32 *words, int nwords);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|