rnd-20001203-3-src

[rocksndiamonds.git] / src / libgame / types.h

diff --git a/src/libgame/types.h b/src/libgame/types.h
index e4aad2a3a5f6233600cc438f8bfac0896fd1b091..bd32b02bdd7380110e9c3fa35ae1a5ca294cf1e9 100644 (file)
--- a/src/libgame/types.h
+++ b/src/libgame/types.h
@@ -22,4 +22,20 @@ typedef unsigned char byte;
 #define TRUE           (!FALSE)
 #endif
 
+#ifndef MIN
+#define MIN(a,b)       ((a) < (b) ? (a) : (b))
+#endif
+
+#ifndef MAX
+#define MAX(a,b)       ((a) > (b) ? (a) : (b))
+#endif
+
+#ifndef ABS
+#define ABS(a)         ((a) < 0 ? -(a) : (a))
+#endif
+
+#ifndef SIGN
+#define SIGN(a)                ((a) < 0 ? -1 : ((a)>0 ? 1 : 0))
+#endif
+
 #endif /* TYPES_H */