dynamic_at_c.hpp File Reference

Constructs for static-to-dynamic integer convesion. More...

#include "../../gil_config.hpp"
#include <cassert>
#include <stdexcept>
#include <boost/mpl/at.hpp>
#include <boost/mpl/size.hpp>

Include dependency graph for dynamic_at_c.hpp:

This graph shows which files directly or indirectly include this file:

Classes
struct	boost::gil::detail::at_c::at_c_fn< START, NUM >
struct	boost::gil::detail::at_c::at_c_impl< QUOT >
struct	boost::gil::detail::at_c::at_c_impl< 0 >
struct	boost::gil::detail::at_c::at_c_impl< 1 >
struct	boost::gil::detail::at_c::at_c_impl< 2 >
struct	boost::gil::detail::at_c::at_c_impl< 3 >

Namespaces
	boost
	Duration formatting facet for input.
	boost::gil
	boost::gil::detail
	boost::gil::detail::at_c

Macros
#define	GIL_AT_C_VALUE(z, N, text)   mpl::at_c<IntTypes,S+N>::type::value,
#define	GIL_DYNAMIC_AT_C_LIMIT   226
#define	GIL_AT_C_LOOKUP(z, NUM, text)

Functions
template<typename IntTypes , typename ValueType >
ValueType	boost::gil::at_c (std::size_t index)
	Given an MPL Random Access Sequence and a dynamic index n, returns the value of the n-th element It constructs a lookup table at compile time. More...

Detailed Description

Constructs for static-to-dynamic integer convesion.

Author

Lubomir Bourdev and Hailin Jin
Adobe Systems Incorporated

Date

2005-2007
Last updated on May 4, 2006

Macro Definition Documentation

#define GIL_AT_C_LOOKUP	(		z,
			NUM,
			text
	)

Value:

template<std::size_t S>                                             \
    struct at_c_fn<S,NUM> {                                             \
    template <typename IntTypes, typename ValueType> inline           \
        static ValueType apply(std::size_t index) {                    \
            static ValueType table[] = {                               \
                BOOST_PP_REPEAT(NUM, GIL_AT_C_VALUE, BOOST_PP_EMPTY)    \
            };                                                          \
            return table[index];                                        \
        }                                                               \
    };

#define GIL_AT_C_VALUE	(		z,
			N,
			text
	)		mpl::at_c<IntTypes,S+N>::type::value,

#define GIL_DYNAMIC_AT_C_LIMIT   226

Referenced by boost::gil::detail::at_c::at_c_impl< 1 >::apply(), boost::gil::detail::at_c::at_c_impl< 2 >::apply(), boost::gil::detail::at_c::at_c_impl< 3 >::apply(), and boost::gil::at_c().