/* Copyright (C) 2003 Free Software Foundation. Check that constant folding of built-in math functions doesn't break anything and produces the expected results. Written by Roger Sayle, 29th July 2003. */ /* { dg-do link } */ /* { dg-options "-O2 -ffast-math" } */ extern void link_error(void); extern double pow(double,double); void test(double x) { if (pow(x,2.0) != x*x) link_error (); if (x*pow(x,2.0) != pow(x,3.0)) link_error (); if (pow(x,2.0)*x != pow(x,3.0)) link_error (); if (pow(x,3.0) != x*x*x) link_error (); if (pow(x,2.0)*x != x*x*x) link_error (); if (x*pow(x,2.0) != x*x*x) link_error (); if (pow(x,3.0)/x != pow(x,2.0)) link_error (); if (pow(x,3.0)/x != x*x) link_error (); } int main() { test (2.0); return 0; }
