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