cloog-0.18.0/test/christian.good.c

/* Generated from ../../../git/cloog/test/christian.cloog by CLooG 0.16.2-5-g3b3bf96 gmp bits in 0.02s. */
extern void hash(int);

/* Useful macros. */
#define floord(n,d) (((n)<0) ? -((-(n)+(d)-1)/(d)) : (n)/(d))
#define ceild(n,d)  (((n)<0) ? -((-(n))/(d)) : ((n)+(d)-1)/(d))
#define max(x,y)    ((x) > (y) ? (x) : (y))
#define min(x,y)    ((x) < (y) ? (x) : (y))

#define S1(i,j) { hash(1); hash(i); hash(j); }
#define S2(i,j) { hash(2); hash(i); hash(j); }

void test(int N)
{
  /* Scattering iterators. */
  int p;
  /* Original iterators. */
  int i, j;
  if (N >= 1) {
    S1(0,N-1);
    for (p=-N+2;p<=N-1;p++) {
      if (p >= 1) {
        S2(p-1,0);
      }
      for (i=max(0,p);i<=min(N-1,p+N-2);i++) {
        S1(i,-p+i);
        S2(i,-p+i+1);
      }
      if (p <= 0) {
        S1(p+N-1,N-1);
      }
    }
    S2(N-1,0);
  }
}