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authorDanny Smith <dannysmith@users.sourceforge.net>2002-06-13 10:20:48 +0000
committerDanny Smith <dannysmith@users.sourceforge.net>2002-06-13 10:20:48 +0000
commitdc8971488e7c174ab4084cbdb0a8f12c39b738d7 (patch)
treed679387fa379b6d5feb9756bdd7237347614453b /winsup/mingw/mingwex/feupdateenv.c
parent5f74ae83e5fba1ceb73a8d822cbe2b48c619127f (diff)
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* include/_mingw.h: Increment version to 2.0.
* Makefile.in: Ditto. Merge in mingwex branch.
Diffstat (limited to 'winsup/mingw/mingwex/feupdateenv.c')
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diff --git a/winsup/mingw/mingwex/feupdateenv.c b/winsup/mingw/mingwex/feupdateenv.c
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+++ b/winsup/mingw/mingwex/feupdateenv.c
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+#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;
+}
+