Add source.

1 files changed, 31 insertions, 0 deletions

diff --git a/sdk/std/math.h b/sdk/std/math.h
new file mode 100644
index 0000000..d1eb298
--- /dev/null
+++ b/sdk/std/math.h
@@ -0,0 +1,31 @@
+/*
+ * Common math functions and macros.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#ifndef	__STD_MATH_H__
+#define	__STD_MATH_H__
+
+#ifndef	__STD_TYPES_H__
+#include <std/types.h>
+#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	align
+#define	align(x, s) ((((x) + (s) - 1) / (s)) *(s))
+#endif
+
+#endif