gcc/testsuite/gcc.c-torture/compile/ssa-pre-1.c

   1 void washQtoM3(double m[9], double q[4]);
   2 double sqrt(double);
   3 int f(int samp)
   4 {
   5       double clp[2], xyz[3], q[4], len;
   6       double mRF[9];
   7       int xi;
   8       for (xi=0; xi<samp; xi++)
   9             {
  10                     q[0] = 1.0;
  11                     q[1] = ( ((double)(1)-(-1))*((double)((float)xi)-(-0.5)) / ((double)(samp-0.5)-(-0.5)) + (-1));
  12                     q[2] = ( ((double)(1)-(-1))*((double)((float)0)-(-0.5)) / ((double)(samp-0.5)-(-0.5)) + (-1));
  13                     q[3] = ( ((double)(1)-(-1))*((double)((float)0)-(-0.5)) / ((double)(samp-0.5)-(-0.5)) + (-1));
  14                     len = (sqrt((((q))[0]*((q))[0] + ((q))[1]*((q))[1] + ((q))[2]*((q))[2] + ((q))[3]*((q))[3])));
  15                   ((q)[0] = (q)[0]*1.0/len, (q)[1] = (q)[1]*1.0/len, (q)[2] = (q)[2]*1.0/len, (q)[3] = (q)[3]*1.0/len);
  16                  washQtoM3(mRF, q);
  17                       }
  18       return 0;
  19 }