| /* Copyright (C) 2004 Free Software Foundation. |
| |
| Check that constant folding of signbit, signbitf and signbitl math |
| functions doesn't break anything and produces the expected results. |
| |
| Written by Roger Sayle, 28th January 2004. */ |
| |
| /* { dg-do link } */ |
| /* { dg-options "-O2" } */ |
| |
| extern void link_error(void); |
| |
| extern int signbit(double); |
| extern int signbitf(float); |
| extern int signbitl(long double); |
| |
| int main() |
| { |
| if (signbit (1.0) != 0) |
| link_error (); |
| if (signbit (-2.0) == 0) |
| link_error (); |
| |
| if (signbitf (1.0f) != 0) |
| link_error (); |
| if (signbitf (-2.0f) == 0) |
| link_error (); |
| |
| if (signbitl (1.0l) != 0) |
| link_error (); |
| if (signbitl (-2.0f) == 0) |
| link_error (); |
| |
| return 0; |
| } |
| |
