WCudaMSE/BilatTools_CPP/src/core/tools/cpp/namespace_cpu/IndiceTools_CPU.cpp

   1 #include "IndiceTools_CPU.h"
   2
   3 /*----------------------------------------------------------------------*\
   4  |*                     Implementation                                  *|
   5  \*---------------------------------------------------------------------*/
   6
   7 /*--------------------------------------*\
   8  |*             Public                  *|
   9  \*-------------------------------------*/
  10
  11 namespace cpu
  12     {
  13
  14     /**
  15      * s[0,W*H[ --> i[0,H[ j[0,W[
  16      */
  17     void IndiceTools::toIJ( int s, int w, int* ptrI, int* ptrJ)
  18         {
  19         *ptrI = s / w;
  20         *ptrJ = s - w * (*ptrI);
  21         }
  22
  23     float2 IndiceTools::toPixelFloat(int s, int w)
  24         {
  25         const float y = (float)s / (float)w;
  26         const float x = (float)s - (float)w * y;
  27         return { x, y };
  28         }
  29
  30     /**
  31      * i[0,H[ j[0,W[ --> s[0,W*H[
  32      */
  33     int IndiceTools::toS(int w, int i, int j)
  34         {
  35         return (i * w) + j;
  36         }
  37
  38     }
  39 /*----------------------------------------------------------------------*\
  40  |*                     End                                             *|
  41  \*---------------------------------------------------------------------*/
  42