source: cpp/common/nonstd_math.h @ 665

Last change on this file since 665 was 665, checked in by Maciej Komosinski, 2 years ago

Cosmetic

  • Property svn:eol-style set to native
File size: 2.4 KB
Line 
1// This file is a part of Framsticks SDK.  http://www.framsticks.com/
2// Copyright (C) 1999-2015  Maciej Komosinski and Szymon Ulatowski.
3// See LICENSE.txt for details.
4
5#ifndef _NONSTD_MATH_H_
6#define _NONSTD_MATH_H_
7
8
9#ifdef _MSC_VER
10 #define _USE_MATH_DEFINES //after this is defined, the next #include <math.h> or <cmath> will define M_PI etc.
11 #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)
12 #include <float.h>
13 //#define isnan(x) _isnan(x) //since 2014 we use std::isnan()
14 #define finite(x) _finite(x)
15#else //m.in. __BORLANDC__
16 #include <math.h>
17#endif
18
19#if (defined __BORLANDC__ || (_MSC_VER <= 1700)) & (!defined EMSCRIPTEN)
20  double round(double val);  //http://stackoverflow.com/questions/2170385/c-math-functions
21#endif
22
23
24//random number generator:
25#include "random.h"
26RandomGenerator& rndGetInstance();
27
28#define rnd01 (rndGetInstance().getDouble())
29#define rnd0N(limit) (rndGetInstance().getDouble()*(limit))
30#define randomN(limit) ((unsigned int)(rndGetInstance().getDouble()*(limit)))
31#define setRandomSeed(seed) rndGetInstance().setSeed(seed)
32#define setRandomRandomSeed() rndGetInstance().randomize()
33
34
35//floating point specific numbers
36#include "stdlib.h"
37
38#ifdef __BORLANDC__
39        #include <float.h>
40        #define isnan(x) _isnan(x) //http://stackoverflow.com/questions/570669/checking-if-a-double-or-float-is-nan-in-c
41        #define finite(x) _finite(x)
42#endif
43
44#ifdef LINUX
45  #define _isnan(a) isnan(a)
46#endif
47
48#ifdef IPHONE
49        #define finite(x) (!isinf(x))
50  #define _isnan(a) isnan(a)
51#endif
52
53
54#if defined SHP
55 //#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"
56 #define isnan(x) false //isnan() sie nie linkuje
57 #define finite(x) true //j.w.
58 //#include <cstdlib> //RAND_MAX defined incorrectly
59 //#ifdef BADA_SIMULATOR //...but only in simulator libs
60 // #undef RAND_MAX
61 // #define RAND_MAX 32768 //...this is the actual value used by rand()
62 //#endif
63#endif
64
65
66//handling floating point exceptions
67void fpExceptInit(); //call once, before ...Enable/Disable
68void fpExceptEnable();
69void fpExceptDisable();
70
71#endif
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