diff -r aac257b77842 -r 02f36c3e7f6c project_files/hwc/rtl/pmath.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/hwc/rtl/pmath.c	Wed Nov 07 18:04:27 2012 +0000
@@ -0,0 +1,50 @@
+#include "pmath.h"
+#include <math.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+/*
+ * power raises base to the power power.
+ * This is equivalent to exp(power*ln(base)). Therefore base should be non-negative.
+ */
+float fpcrtl_power(float base, float exponent)
+{
+    return exp(exponent * log(base));
+}
+
+/* Currently the games only uses sign of an integer */
+int fpcrtl_signi(int x)
+{
+    if(x > 0){
+        return 1;
+    }
+    else if(x < 0){
+        return -1;
+    }
+    else{
+        return 0;
+    }
+}
+
+float fpcrtl_csc(float x)
+{
+    return 1 / sin(x);
+}
+
+float __attribute__((overloadable)) fpcrtl_abs(float x)
+{
+    return fabs(x);
+}
+double __attribute__((overloadable)) fpcrtl_abs(double x)
+{
+    return fabs(x);
+}
+int __attribute__((overloadable)) fpcrtl_abs(int x)
+{
+    return abs(x);
+}
+
+int64_t __attribute__((overloadable)) fpcrtl_abs(int64_t x)
+{
+    return x < 0 ? -x : x;
+}