Class width

Synopsis

#include "breeze/meta/width.hpp"

template< typename T >
class width
    : public constant< int, has_sign< T >::value
                                ? precision< T >::value + 1
                                : precision< T >::value >

Description

Metafunction yielding the width of a type.

The width of T is the number of bits that T uses to represent values, including any sign but excluding any padding bits.

This is a meta::constant, with value_type int.

See

meta::precision and meta::padding.

Type requirements

\c T shall be an integral type or a cv-qualified version
thereof. 

Inheritance

Ancestors: constant

Source

Lines 42-48 in breeze/meta/width.hpp.

template< typename T >
class width
    : public constant< int, has_sign< T >::value
                                ? precision< T >::value + 1
                                : precision< T >::value >
{
} ;