Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/builtins-17.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 /* Copyright (C) 2003 Free Software Foundation. | |
| 2 | |
| 3 Check that constant folding of built-in math functions doesn't | |
| 4 break anything and produces the expected results. | |
| 5 | |
| 6 Written by Roger Sayle, 25th May 2003. */ | |
| 7 | |
| 8 /* { dg-do link } */ | |
| 9 /* { dg-options "-O2 -ffast-math" } */ | |
| 10 | |
| 11 extern void link_error(void); | |
| 12 | |
| 13 extern double exp(double); | |
| 14 extern double atan(double); | |
| 15 | |
| 16 int main() | |
| 17 { | |
| 18 if (exp (1.0) < 2.71 || exp (1.0) > 2.72) | |
| 19 link_error (); | |
| 20 if (exp (2.0) < 7.38 || exp (2.0) > 7.39) | |
| 21 link_error (); | |
| 22 if (exp (-2.0) < 0.13 || exp (-2.0) > 0.14) | |
| 23 link_error (); | |
| 24 if (atan (1.0) < 0.78 || atan (1.0) > 0.79) | |
| 25 link_error (); | |
| 26 | |
| 27 return 0; | |
| 28 } | |
| 29 |