std::fegetexceptflag, std::fesetexceptflag - cppreference.com (original) (raw)
| Defined in header | ||
|---|---|---|
| int fegetexceptflag( std::fexcept_t* flagp, int excepts ); | (1) | (since C++11) |
| int fesetexceptflag( const std::fexcept_t* flagp, int excepts ); | (2) | (since C++11) |
Attempts to obtain the full contents of the floating-point exception flags that are listed in the bitmask argument
excepts, which is a bitwise OR of the floating point exception macros.Attempts to copy the full contents of the floating-point exception flags that are listed in
exceptsfromflagpinto the floating-point environment. Does not raise any exceptions, only modifies the flags.
The full contents of a floating-point exception flag is not necessarily a boolean value indicating whether the exception is raised or cleared. For example, it may be a struct which includes the boolean status and the address of the code that triggered the exception. These functions obtain all such content and obtain/store it in flagp in implementation-defined format.
[edit] Parameters
| flagp | - | pointer to an std::fexcept_t object where the flags will be stored or read from |
|---|---|---|
| excepts | - | bitmask listing the exception flags to get/set |
[edit] Return value
0 on success, non-zero otherwise.