format_helper Class Reference

#include <real.h>

Collaboration diagram for format_helper:

Public Member Functions
	format_helper (const real_format *format)
template<typename T >
	format_helper (const T &)
const real_format *	operator-> () const
	operator const real_format * () const
bool	decimal_p () const
bool	can_represent_integral_type_p (tree type) const

Private Attributes
const real_format *	m_format

Detailed Description

This class allows functions in this file to accept a floating-point
format as either a mode or an explicit real_format pointer.  In the
former case the mode must be VOIDmode (which means "no particular
format") or must satisfy SCALAR_FLOAT_MODE_P.   

Constructor & Destructor Documentation

format_helper() [1/2]

format_helper::format_helper ( const real_format * format )

inline

format_helper() [2/2]

template<typename T >

format_helper::format_helper ( const T & m )

inline

Member Function Documentation

can_represent_integral_type_p()

bool format_helper::can_represent_integral_type_p

(

tree

type

)

const

True if all values of integral type can be represented
by this floating-point type exactly.   

References decimal_p(), gcc_assert, INTEGRAL_TYPE_P, SIGNED, significand_size(), TYPE_PRECISION, and TYPE_SIGN.

decimal_p()

bool format_helper::decimal_p ( ) const

inline

References real_format::b, and m_format.

Referenced by can_represent_integral_type_p(), real_2expN(), real_from_integer(), and real_from_string3().

operator const real_format *()

format_helper::operator const real_format * ( ) const

inline

References m_format.

operator->()

const real_format * format_helper::operator-> ( ) const

inline

References m_format.

Field Documentation

m_format

const real_format* format_helper::m_format

private

Referenced by decimal_p(), operator const real_format *(), and operator->().

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

• real.h
• real.cc