standard compiler compatibility changes (#3040)

* move math to cmath

* replace stdarg to cstdarg

* change stdint to stdint.h

* minor fixes

* change stdio to cstdio

* change stdlib to stdlib

* renamed ctype to cctype

* fix missing argument for UNSET_FLAG

src/SSystem/SComponent/c_m3d.cpp

@@ -12,6 +12,11 @@
 #include "SSystem/SComponent/c_math.h"
 #include "SSystem/SComponent/c_sxyz.h"
 
+#ifndef __MWERKS__
+#include <limits>
+#define FLT_EPSILON std::numeric_limits<float>::epsilon()
+#endif
+
 const f32 G_CM3D_F_ABS_MIN = 32 * FLT_EPSILON;
 
 void cM3d_InDivPos1(const Vec* pVecA, const Vec* pVecB, f32 pF, Vec* pOut) {

src/SSystem/SComponent/c_math.cpp

@@ -5,7 +5,7 @@
 
 #include "SSystem/SComponent/c_math.h"
 #include "SSystem/SComponent/c_m3d.h"
-#include <math>
+#include <cmath>
 
 s16 cM_rad2s(f32 rad) {
     s32 s = (std::fmod(rad, 2 * M_PI) * (0x8000 / M_PI));

src/SSystem/SComponent/c_xyz.cpp

@@ -7,6 +7,11 @@
 #include "SSystem/SComponent/c_math.h"
 #include "JSystem/JUtility/JUTAssert.h"
 
+#ifndef __MWERKS__
+#include <limits>
+#define FLT_EPSILON std::numeric_limits<float>::epsilon()
+#endif
+
 cXyz cXyz::operator+(const Vec& vec) const {
     Vec ret;
     PSVECAdd(this, &vec, &ret);