/* { dg-do run } */ /* { dg-skip-if "-mpowerpc-gpopt not supported" { powerpc*-*-darwin* } } */ /* { dg-options "-O2 -ffast-math -fno-inline -fno-unroll-loops -lm -mpowerpc-gpopt" } */ #include extern void abort (void); #define NVALS 6 static double convert_it_1 (double x) { return pow (x, 10.0 / 3.0); } static double convert_it_2 (double x) { return pow (x, 11.0 / 3.0); } static double convert_it_3 (double x) { return pow (x, -7.0 / 3.0); } static double convert_it_4 (double x) { return pow (x, -8.0 / 3.0); } int main (int argc, char *argv[]) { double values[NVALS] = { 3.0, 1.95, 2.227, 4.0, 256.0, .0008797 }; double PREC = .999999; unsigned i; for (i = 0; i < NVALS; i++) { volatile double x, y; x = __builtin_powi (values[i], 3); y = __builtin_powi (cbrt (values[i]), 1); if (fabs (convert_it_1 (values[i]) / (x * y)) < PREC) abort (); x = __builtin_powi (values[i], 3); y = __builtin_powi (cbrt (values[i]), 2); if (fabs (convert_it_2 (values[i]) / (x * y)) < PREC) abort (); x = __builtin_powi (values[i], -3); y = __builtin_powi (cbrt (values[i]), 2); if (fabs (convert_it_3 (values[i]) / (x * y)) < PREC) abort (); x = __builtin_powi (values[i], -3); y = __builtin_powi (cbrt (values[i]), 1); if (fabs (convert_it_4 (values[i]) / (x * y)) < PREC) abort (); } return 0; }