diff --git a/math-helpers.hpp b/math-helpers.hpp
new file mode 100644
index 0000000..d3daaf6
--- /dev/null
+++ b/math-helpers.hpp
@@ -0,0 +1,6 @@
+int signum(int num) {
+	int retval = 0;
+	(num > 0) ? retval = 1 : retval = -1;
+	return retval;
+}
+