Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/builtins-27.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* 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; }