Initial community commit

1 files changed, 48 insertions, 0 deletions

diff --git a/Src/Wasabi/bfc/std_math.h b/Src/Wasabi/bfc/std_math.h
new file mode 100644
index 00000000..9b6a8966
--- /dev/null
+++ b/Src/Wasabi/bfc/std_math.h
@@ -0,0 +1,48 @@
+#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