anonymous_namespace{cfout.cpp}::scoped_fp_state_reset Class Reference

Collaboration diagram for anonymous_namespace{cfout.cpp}::scoped_fp_state_reset:

Public Member Functions
	scoped_fp_state_reset () throw ()
	~scoped_fp_state_reset () throw ()

Private Member Functions
	scoped_fp_state_reset (scoped_fp_state_reset const &)
scoped_fp_state_reset &	operator= (scoped_fp_state_reset const &)

Private Attributes
fenv_t	_environment
bool	_requires_reset

Detailed Description

Definition at line 46 of file cfout.cpp.

Constructor & Destructor Documentation

scoped_fp_state_reset() [1/2]

anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::scoped_fp_state_reset ( ) throw ( )

inline

Definition at line 50 of file cfout.cpp.

        {
            // The calls to feholdexcept and fesetenv are relatively expensive,
            // so we only call them if there are any unmasked exceptions.
            fegetenv(&_environment);
            if ((_environment._Fe_ctl & FE_ALL_EXCEPT) == FE_ALL_EXCEPT)
            {
                _requires_reset = false;
            }
            else
            {
                feholdexcept(&_environment);
                _requires_reset = true;
            }
        }

~scoped_fp_state_reset()

anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::~scoped_fp_state_reset ( ) throw ( )

inline

Definition at line 66 of file cfout.cpp.

        {
            if (_requires_reset)
            {
                fesetenv(&_environment);
            }
        }

scoped_fp_state_reset() [2/2]

anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::scoped_fp_state_reset ( scoped_fp_state_reset const &  )

private

Member Function Documentation

operator=()

scoped_fp_state_reset & anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::operator= ( scoped_fp_state_reset const &  )

private

Member Data Documentation

_environment

fenv_t anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::_environment

private

Definition at line 79 of file cfout.cpp.

_requires_reset

bool anonymous_namespace{cfout.cpp}::scoped_fp_state_reset::_requires_reset

private

Definition at line 80 of file cfout.cpp.

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The documentation for this class was generated from the following file:

• sdk/lib/ucrt/convert/cfout.cpp