More General Cleanup (#1638)

* LINKER_FILES in makefile

* COLPOLY_GET_NORMAL

* math header

* libc

* M_PI for cosf and sinf files

* MAXFLOAT

* Revert "MAXFLOAT"

This reverts commit 96b75ffaa8.

* Remove SHT_MINV

* SHRT_MAX

* Add M_PI

* Angle macros

* f suffix

* Format

src/code/jpegdecoder.c

@@ -1,5 +1,5 @@
 #include "z64jpeg.h"
-#include "libc/stdbool.h"
+#include "stdbool.h"
 #include "macros.h"
 
 u8* sJpegBitStreamPtr;