| The feupdateenv function saves the currently raised exceptions in
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| its automatic storage, installs the floating-point environment
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| represented by the object pointed to by envp, and then raises the
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| saved exceptions. The argument envp shall point to an object
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| set by a call to feholdexcept or fegetenv, or equal the macro
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| FE_DFL_ENV or an implementation-defined environment macro. */
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| /* FIXME: this works but surely there must be a better way. */
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| int feupdateenv (const fenv_t * envp)
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| unsigned int _fexcept = fetestexcept (FE_ALL_EXCEPT); /*save excepts */
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| fesetenv (envp); /* install the env */
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| feraiseexcept (_fexcept); /* raise the execept */
|
