Library split (#5)

* fixed

* and cleanup

* format

* let's all go to the library

* split

* small cleanup

include/sf64math.h

@@ -3,6 +3,16 @@
 
 #include "PR/ultratypes.h"
 
+double fabsf(double f);
+#pragma intrinsic(fabsf)
+
+#define M_PI 3.14159265358979323846f
+#define M_SQRT2 1.41421356237309504880f
+#define M_SQRT1_2 0.70710678118654752440f	/* 1/sqrt(2) */
+#define FLT_MAX 340282346638528859811704183484516925440.0f
+#define SHT_MAX 32767.0f
+#define SHT_MINV (1.0f / SHT_MAX)
+
 typedef struct {
     /* 0x0 */ f32 x;
     /* 0x4 */ f32 y;