| /* 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, 25th May 2003. */ |
| |
| /* { dg-do link } */ |
| /* { dg-options "-O2 -ffast-math" } */ |
| |
| extern void link_error(void); |
| |
| extern double exp(double); |
| extern double atan(double); |
| |
| int main() |
| { |
| if (exp (1.0) < 2.71 || exp (1.0) > 2.72) |
| link_error (); |
| if (exp (2.0) < 7.38 || exp (2.0) > 7.39) |
| link_error (); |
| if (exp (-2.0) < 0.13 || exp (-2.0) > 0.14) |
| link_error (); |
| if (atan (1.0) < 0.78 || atan (1.0) > 0.79) |
| link_error (); |
| |
| return 0; |
| } |
| |
