/* Copyright (C) 2003 Free Software Foundation. Verify that built-in math function constant folding of functions with one constant argument is correctly performed by the compiler. Written by Roger Sayle, 30th March 2003. */ /* { dg-do run } */ /* { dg-options "-O2 -ffast-math" } */ extern void abort(void); extern double pow(double, double); extern double sqrt(double); void test(double x) { if (pow(x,-1.0) != 1.0/x) abort (); if (pow(x,2.0) != x*x) abort (); if (pow(x,-2.0) != 1.0/(x*x)) abort (); if (pow(x,0.5) != sqrt(x)) abort (); } int main() { test (1.0); test (2.0); return 0; }