Initial commit

math.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#define PI 3.14159265358979323846
+
+double fabs(double x);
+double floor(double x);
+double copysign(double x, double y);
+// Provided by fdlibm
+double cos(double x);
+double sin(double x);