source: cpp/common/nonstd_math.h @ 167

// This file is a part of the Framsticks GDK.
// Copyright (C) 2002-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#ifndef _NONSTD_MATH_H_
#define _NONSTD_MATH_H_


#ifdef _MSC_VER
 #define _USE_MATH_DEFINES //after this is defined, the next #include <math.h> or <cmath> will define M_PI etc.
 #include <math.h> //w vc2008 dzia³a³o tu <cmath>, ale w vc2010 juz nie bo "coœ" (jakiœ inny .h stl'a?) includuje wczeœniej <cmath> bez _USE_MATH_DEFINES, a <cmath> includuje <math.h> (ale tylko raz bo ma "include guards" jak kazdy .h)
 #include <float.h>
 #define isnan(x) _isnan(x)
 #define finite(x) _finite(x)
#else //m.in. __BORLANDC__
 #include <math.h>
#endif

#if defined __BORLANDC__ || (_MSC_VER <= 1700)
double round(double val);  //http://stackoverflow.com/questions/2170385/c-math-functions
#endif


//random number generator:
#include "random.h"
RandomGenerator& rndGetInstance();

#define rnd01 (rndGetInstance().getDouble())
#define rnd0N(limit) (rndGetInstance().getDouble()*(limit))
#define randomN(limit) ((unsigned int)(rndGetInstance().getDouble()*(limit)))
#define setRandomSeed(seed) rndGetInstance().setSeed(seed)
#define setRandomRandomSeed() rndGetInstance().randomize()


//floating point specific numbers
#include "stdlib.h"

#ifdef __BORLANDC__
        #include <float.h>
        #define isnan(x) _isnan(x) //http://stackoverflow.com/questions/570669/checking-if-a-double-or-float-is-nan-in-c
        #define finite(x) _finite(x)
#endif

#ifdef LINUX
  #define _isnan(a) isnan(a)
#endif

#ifdef IPHONE
        #define finite(x) (!isinf(x))
  #define _isnan(a) isnan(a)
#endif


#if defined SHP
 //#define __assert_func(a,b,c,d) 0 //Currently, we are sorry to inform you that assert() is not yet supported. We have considered your request for internal discussion. Na szczêœcie jest w³asna (byle by by³a, bo i tak zak³adamy ze assert ktore przeciez dziala tylko w trybie debug nie jest potrzebne na bada) implementacja w "bada-assert.cpp"
 #define isnan(x) false //isnan() sie nie linkuje
 #define finite(x) true //j.w.
 //#include <cstdlib> //RAND_MAX defined incorrectly
 //#ifdef BADA_SIMULATOR //...but only in simulator libs
 // #undef RAND_MAX
 // #define RAND_MAX 32768 //...this is the actual value used by rand()
 //#endif
#endif


//handling floating point exceptions
void fpExceptInit(); //call once, before ...Enable/Disable
void fpExceptEnable();
void fpExceptDisable();

#endif