X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=float.h;fp=float.h;h=58f6616a8ec555d31da966fb44d2f2b5bd2e8eab;hp=0000000000000000000000000000000000000000;hb=fe549d406b589b1c3db83aeea28c911292a5968e;hpb=1796973cc22433f9b875b8b6d945fc914a78e14d

diff --git a/float.h b/float.h
new file mode 100644
index 0000000..58f6616
--- /dev/null
+++ b/float.h
@@ -0,0 +1,23 @@
+#ifndef VOR_FLOAT_H
+#define VOR_FLOAT_H
+
+#include <math.h>
+
+static inline int
+fclip(float f, float max)
+{
+	return f < 0 || (float)f >= (float)max;
+}
+
+static inline float
+fwrap(float f, float max)
+{
+	if((float)f >= (float)max) f = (float)f - (float)max;
+	else if(f < 0) {
+		f += max;
+		if((float)f >= (float)max) f = nextafterf(f, 0);
+	}
+	return f;
+}
+
+#endif // VOR_FLOAT_H