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std::feraiseexcept

From cppreference.com
< cpp‎ | numeric‎ | fenv
 
C++
 
Numerics library
 
Floating-point environment
Functions
(C++11)
(C++11)
feraiseexcept
(C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++11)
(C++11)
Macro constants
(C++11)(C++11)(C++11)(C++11)(C++11)(C++11)
(C++11)(C++11)(C++11)(C++11)
(C++11)
 
Defined in header <cfenv>
int feraiseexcept( int excepts );
 (since C++11)

Attempts to raise all floating point exceptions listed in excepts (a bitwise OR of the floating point exception macros). If one of the exceptions is FE_OVERFLOW or FE_UNDERFLOW, this function may additionally raise FE_INEXACT. The order in which the exceptions are raised is unspecified, except that FE_OVERFLOW and FE_UNDERFLOW are always raised before FE_INEXACT.

Contents

[edit] Parameters

excepts - bitmask listing the exception flags to raise

[edit] Return value

​0​ if all listed exceptions were raised, non-zero value otherwise.

[edit] Example

Run this code
#include <cfenv>
#include <iostream>
 
// #pragma STDC FENV_ACCESS ON
 
int main()
{
    std::feclearexcept(