tests/inputs/lsod.c

   1 #define TARGETS 3
   2
   3 void getLSODTarget(int t, int *Height, int *Width,
   4         int *offset_x, int *offset_y);
   5 int readTarget(int k, int w, int h, int x, int y);
   6 int gradient(int a1, int a2, int a3, int a4, int a5, int a6);
   7 int absVal(int x);
   8 int vertSum(int in_1, int in_2);
   9 void writeHist(int k, int w, int pp);
  10 int init(void);
  11
  12 int main(void)
  13 {
  14    int offset_x,offset_y;
  15
  16    static int image[1000][1000];
  17    static int vertEdges[1000][1000];
  18    static int av[1000][1000];
  19    static int vsum[1000];
  20    static int TH[TARGETS];
  21    static int TW[TARGETS];
  22    #pragma value_bounds TH 10 300
  23    #pragma value_bounds TW 10 350
  24
  25
  26    for (int k = 0; k < TARGETS; k++) {
  27       getLSODTarget(k, &TH[k], &TW[k], &offset_x, &offset_y);
  28
  29       for (int j = 0; j < TH[k]; j++)
  30           for (int i = 0; i < TW[k]; i++)
  31             image[j][i] = readTarget(k, i, j, offset_x, offset_y);
  32
  33       for (int i = 0; i < TW[k]; i++)
  34           vsum[i] = init();
  35
  36       for (int j = 1; j < TH[k] - 1; j++) {
  37           for (int i = 1; i < TW[k] - 1; i++) {
  38               vertEdges[j][i] = gradient(image[j-1][i-1], image[j][i-1],
  39                                         image[j+1][i-1], image[j-1][i+1],
  40                                         image[j][i+1], image[j+1][i+1]);
  41               av[j][i] = absVal(vertEdges[j][i]);
  42               vsum[i] = vertSum(vsum[i], av[j][i]);
  43           }
  44       }
  45
  46       for (int i = 1; i < TW[k] - 1; i++)
  47           writeHist(k, TW[k], vsum[i]);
  48    }
  49
  50    return 0;
  51 }
  52