2 /* { dg-options "-O2 -ffast-math -fno-inline -fno-unroll-loops -lm -mpowerpc-gpopt" } */
6 extern void abort (void);
11 convert_it_1 (double x)
13 return pow (x, 10.0 / 3.0);
17 convert_it_2 (double x)
19 return pow (x, 11.0 / 3.0);
23 convert_it_3 (double x)
25 return pow (x, -7.0 / 3.0);
29 convert_it_4 (double x)
31 return pow (x, -8.0 / 3.0);
35 main (int argc, char *argv[])
37 double values[NVALS] = { 3.0, 1.95, 2.227, 4.0, 256.0, .0008797 };
38 double PREC = .999999;
41 for (i = 0; i < NVALS; i++)
45 x = __builtin_powi (values[i], 3);
46 y = __builtin_powi (cbrt (values[i]), 1);
47 if (fabs (convert_it_1 (values[i]) / (x * y)) < PREC)
50 x = __builtin_powi (values[i], 3);
51 y = __builtin_powi (cbrt (values[i]), 2);
52 if (fabs (convert_it_2 (values[i]) / (x * y)) < PREC)
55 x = __builtin_powi (values[i], -3);
56 y = __builtin_powi (cbrt (values[i]), 2);
57 if (fabs (convert_it_3 (values[i]) / (x * y)) < PREC)
60 x = __builtin_powi (values[i], -3);
61 y = __builtin_powi (cbrt (values[i]), 1);
62 if (fabs (convert_it_4 (values[i]) / (x * y)) < PREC)