WCudaMSE/BilatTools_CPP/src/core/tools/header/MathTools.h

   1 #ifndef MATH_TOOLS_
   2 #define MATH_TOOLS_
   3
   4 #define PI_FLOAT 3.141592653589793f
   5
   6 #ifndef PI
   7 #define PI 3.1415926535897932384626433832795028841971693993751
   8 #endif
   9
  10 #ifndef MIN
  11 #define MIN(X,Y) ((X)<(Y)?(X):(Y))
  12 #endif
  13
  14 #ifndef MAX
  15 #define MAX(X,Y) ((X)>(Y)?(X):(Y))
  16 #endif
  17
  18 class MathTools
  19     {
  20     public:
  21
  22         /*--------------------------------------*\
  23          |*             Constructor             *|
  24          \*-------------------------------------*/
  25
  26         MathTools();
  27
  28         /*--------------------------------------*\
  29          |*             Destructor              *|
  30          \*-------------------------------------*/
  31
  32         virtual ~MathTools();
  33
  34         /*--------------------------------------*\
  35          |*             Methodes Static         *|
  36          \*-------------------------------------*/
  37
  38         /*---------------*\
  39         |*      Float   *|
  40          \*---------------*/
  41
  42         /**
  43          * Relatif au max(x1,x2)
  44          */
  45         static bool isEquals(float x1, float x2, float epsilon = 0);
  46
  47         /**
  48          * Relatif a reference
  49          * epsilon pas de valeur par default, sinon meme signature que autre methode (overload)
  50          */
  51         static bool isEquals(float a, float b, float reference, float epsilon); //
  52
  53         /**
  54          * Relatif, un a un (au max des 2)
  55          * Hyp: tab de meme size n
  56          */
  57         static bool isEquals(float* tabA, float* tabB, int n, float epsilon = 0);
  58
  59         /**
  60          * Relatif par rapport au max de la série
  61          * Hyp: tab de meme size n
  62          */
  63         static bool isEqualsRelatifMax(float* tabA, float* tabB, int n, float epsilon = 0);
  64
  65         /*---------------*\
  66         |*      Double  *|
  67          \*---------------*/
  68
  69         /**
  70          * Relatif au max(x1,x2)
  71          */
  72         static bool isEquals(double x1, double x2, double epsilon = 0);
  73
  74
  75         /*---------------*\
  76         |*      Long    *|
  77          \*---------------*/
  78
  79         /**
  80          * Absolu
  81          */
  82         static bool isEquals(long x1, long x2);
  83
  84         /*---------------*\
  85         |*      isPower2  *|
  86         \*---------------*/
  87
  88         static bool isPower2(long i);
  89         static bool isPower2(int i);
  90         static bool isPower2(unsigned int i);
  91
  92     private:
  93
  94         /*--------------------------------------*\
  95         |*              Methodes                *|
  96          \*-------------------------------------*/
  97
  98         static float maxAbs(float a, float b);
  99
 100         /**
 101          * Hyp: tab de meme size n
 102          */
 103         static float maxAbs(float* tabA, float* tabB, int n);
 104
 105         /*--------------------------------------*\
 106         |*              Attributs               *|
 107          \*-------------------------------------*/
 108
 109     };
 110
 111 #endif