1 files changed, 17 insertions, 0 deletions
diff --git a/src/misc.c b/src/misc.c
index 7778b08..c138f23 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -7,6 +7,7 @@
  *	General Public License as published by the Free Software Foundation;
  *	either version 2.1 or (at your option) any later version.
  */
+#include <math.h> /* fmod */
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -88,3 +89,19 @@ EXPORT_SYMBOL void HX_zvecfree(char **args)
 		free(*travp);
 	free(args);
 }
+
+EXPORT_SYMBOL float HX_flprf(float x, float y)
+{
+	float r = fmodf(x, y);
+	if (r < 0)
+		r += y;
+	return r;
+}
+
+EXPORT_SYMBOL double HX_flpr(double x, double y)
+{
+	double r = fmod(x, y);
+	if (r < 0)
+		r += y;
+	return r;
+}