Diff: util.h

Revision:

0:826c6171fc1b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util.h	Wed Jun 20 14:57:48 2012 +0000
@@ -0,0 +1,27 @@
+#ifndef __UTIL_H
+#define __UTIL_H
+
+/** Utility routines */
+
+#define clamp360(x) \
+                while ((x) >= 360.0) (x) -= 360.0; \
+                while ((x) < 0) (x) += 360.0;
+#define clamp180(x) ((x) - floor((x)/360.0) * 360.0 - 180.0);
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+/** Convert char to integer */
+int ctoi(char c);
+/** Convert string to floating point */
+double cvstof(char *s);
+/** Tokenize a string 
+ * @param s is the string to tokenize
+ * @param max is the maximum number of characters
+ * @param delim is the character delimiter on which to tokenize
+ * @returns t is the pointer to the next token
+ */
+char *split(char *s, char *t, int max, char delim);
+
+#endif
\ No newline at end of file