std::feupdateenv (3) - Linux Manuals
std::feupdateenv: std::feupdateenv
NAME
std::feupdateenv - std::feupdateenv
Synopsis
Defined in header <cfenv>
int feupdateenv( const std::fenv_t* envp ) (since C++11)
First, remembers the currently raised floating-point exceptions, then restores the floating-point environment from the object pointed to by envp (similar to std::fesetenv), then raises the floating-point exceptions that were saved.
This function may be used to end the non-stop mode established by an earlier call to std::feholdexcept.
Parameters
envp - pointer to the object of type std::fenv_t set by an earlier call to std::feholdexcept or std::fegetenv or equal to FE_DFL_ENV
Return value
0 on success, non-zero otherwise.
See also
feholdexcept saves the environment, clears all status flags and ignores all future errors
(C++11)
fegetenv saves or restores the current floating point environment
fesetenv (function)
(C++11)
FE_DFL_ENV default floating-point environment
(C++11)