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Diffstat (limited to 'winsup/mingw/mingwex/feupdateenv.c')
| -rw-r--r-- | winsup/mingw/mingwex/feupdateenv.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/winsup/mingw/mingwex/feupdateenv.c b/winsup/mingw/mingwex/feupdateenv.c new file mode 100644 index 000000000..f414837f5 --- /dev/null +++ b/winsup/mingw/mingwex/feupdateenv.c @@ -0,0 +1,20 @@ +#include <fenv.h> + +/* 7.6.4.4 + The feupdateenv function saves the currently raised exceptions in + its automatic storage, installs the floating-point environment + represented by the object pointed to by envp, and then raises the + saved exceptions. The argument envp shall point to an object + set by a call to feholdexcept or fegetenv, or equal the macro + FE_DFL_ENV or an implementation-defined environment macro. */ + +/* FIXME: this works but surely there must be a better way. */ + +int feupdateenv (const fenv_t * envp) +{ + unsigned int _fexcept = fetestexcept (FE_ALL_EXCEPT); /*save excepts */ + fesetenv (envp); /* install the env */ + feraiseexcept (_fexcept); /* raise the execept */ + return 0; +} + |