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algorithm.hpp
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1377 lines (998 loc) · 26.9 KB
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// -- algorithm.hpp -- Boost Lambda Library -----------------------------------
// Copyright (C) 2002 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
// Copyright (C) 2002 Gary Powell (gwpowell@hotmail.com)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see http://www.boost.org
#ifndef BOOST_LAMBDA_ALGORITHM_HPP
#define BOOST_LAMBDA_ALGORITHM_HPP
#include "boost/lambda/core.hpp"
#include <algorithm>
#include <iterator> // for iterator_traits
#include <utility> // for std::pair
namespace boost {
namespace lambda {
namespace ll {
// for_each ---------------------------------
struct for_each {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C>
C
operator()(A a, A b, C c) const
{ return ::std::for_each(a, b, c); }
};
// find ---------------------------------
struct find {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, const C& c) const
{ return ::std::find(a, b, c); }
};
// find_if ---------------------------------
struct find_if {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, C c) const
{ return ::std::find_if(a, b, c); }
};
// find_end ---------------------------------
struct find_end {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, C c, C d) const
{ return ::std::find_end(a, b, c, d); }
template <class A, class C, class E>
A
operator()(A a, A b, C c, C d, E e) const
{ return ::std::find_end(a, b, c, d, e); }
};
// find_first_of ---------------------------------
struct find_first_of {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, C c, C d) const
{ return ::std::find_first_of(a, b, c, d); }
template <class A, class C, class E>
A
operator()(A a, A b, C c, C d, E e) const
{ return ::std::find_first_of(a, b, c, d, e); }
};
// adjacent_find ---------------------------------
struct adjacent_find {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A>
A
operator()(A a, A b) const
{ return ::std::adjacent_find(a, b); }
template <class A, class C>
A
operator()(A a, A b, C c) const
{ return ::std::adjacent_find(a, b, c); }
};
// count ---------------------------------
struct count {
template <class Args>
struct sig {
typedef typename ::std::iterator_traits<
typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type
>::difference_type type;
};
template <class A, class C >
typename ::std::iterator_traits<A>::difference_type
operator()(A a, A b, const C& c) const
{ return ::std::count(a, b, c); }
};
// count_if ---------------------------------
struct count_if {
template <class Args>
struct sig {
typedef typename ::std::iterator_traits<
typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type
>::difference_type type;
};
template <class A, class C >
typename ::std::iterator_traits<A>::difference_type
operator()(A a, A b, C c) const
{ return ::std::count_if(a, b, c); }
};
// mismatch ---------------------------------
struct mismatch {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type element1_type;
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type element2_type;
typedef ::std::pair< element1_type, element2_type > type;
};
template <class A, class C >
::std::pair<A,C>
operator()(A a, A b, C c) const
{ return ::std::mismatch(a, b, c); }
template <class A, class C, class D>
::std::pair<A,C>
operator()(A a, A b, C c, D d) const
{ return ::std::mismatch(a, b, c, d); }
};
// equal ---------------------------------
struct equal {
template <class Args>
struct sig {
typedef bool type;
};
template <class A, class C >
bool
operator()(A a, A b, C c) const
{ return ::std::equal(a, b, c); }
template <class A, class C, class D>
bool
operator()(A a, A b, C c, D d) const
{ return ::std::equal(a, b, c, d); }
};
// search --------------------------------
struct search {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, C c, C d) const
{ return std::search(a, b, c, d);}
template <class A, class C, class E>
A
operator()(A a, A b, C c, C d, E e) const
{ return std::search(a, b, c, d, e);}
};
// copy ---------------------------------
struct copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C>
C
operator()(A a, A b, C c) const
{ return ::std::copy(a, b, c); }
};
// copy_backward ---------------------------------
struct copy_backward {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C>
C
operator()(A a, A b, C c) const
{ return ::std::copy_backward(a, b, c); }
};
// swap ---------------------------------
struct swap {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b) const
{ ::std::swap(a, b); }
};
// swap_ranges ---------------------------------
struct swap_ranges {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C>
C
operator()(A a, A b, C c) const
{ return ::std::swap_ranges(a, b, c); }
};
// iter_swap ---------------------------------
struct iter_swap {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b) const
{ ::std::iter_swap(a, b); }
};
// transform --------------------------------
struct transform {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<
boost::tuples::length<Args>::value - 2,
Args
>::type
>::type type;
};
template <class A, class C, class D>
C
operator()(A a, A b, C c, D d) const
{ return std::transform(a, b, c, d);}
template <class A, class C, class D, class E>
D
operator()(A a, A b, C c, D d, E e) const
{ return std::transform(a, b, c, d, e);}
};
// replace ---------------------------------
struct replace {
template <class Args>
struct sig {
typedef void type;
};
template <class A, class C>
void
operator()(A a, A b, const C& c, const C& d) const
{ ::std::replace(a, b, c, d); }
};
// replace_if ---------------------------------
struct replace_if {
template <class Args>
struct sig {
typedef void type;
};
template <class A, class C, class D>
void
operator()(A a, A b, C c, const D& d) const
{ ::std::replace_if(a, b, c, d); }
};
// replace_copy ---------------------------------
struct replace_copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C, class D>
C
operator()(A a, A b, C c, const D& d, const D& e) const
{ return ::std::replace_copy(a, b, c, d, e); }
};
// replace_copy_if ---------------------------------
struct replace_copy_if {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C, class D, class E>
C
operator()(A a, A b, C c, D d, const E& e) const
{ return ::std::replace_copy_if(a, b, c, d, e); }
};
// fill ---------------------------------
struct fill {
template <class Args>
struct sig {
typedef void type;
};
template <class A, class C>
void
operator()(A a, A b, const C& c) const
{ ::std::fill(a, b, c); }
};
// fill_n ---------------------------------
struct fill_n {
template <class Args>
struct sig {
typedef void type;
};
template <class A, class B, class C>
void
operator()(A a, B b, const C& c) const
{ ::std::fill_n(a, b, c); }
};
// generate ---------------------------------
struct generate {
template <class Args>
struct sig {
typedef void type;
};
template <class A, class C>
void
operator()(A a, A b, C c) const
{ ::std::generate(a, b, c); }
};
// generate_n ---------------------------------
struct generate_n {
template <class Args>
struct sig {
typedef void type;
};
template <class A, class B, class C>
void
operator()(A a, B b, C c) const
{ ::std::generate_n(a, b, c); }
};
// remove ---------------------------------
struct remove {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C >
A
operator()(A a, A b, const C& c) const
{ return ::std::remove(a, b, c); }
};
// remove_if ---------------------------------
struct remove_if {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C >
A
operator()(A a, A b, C c) const
{ return ::std::remove_if(a, b, c); }
};
// remove_copy ---------------------------------
struct remove_copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C, class D >
C
operator()(A a, A b, C c, const D& d) const
{ return ::std::remove_copy(a, b, c, d); }
};
// remove_copy_if ---------------------------------
struct remove_copy_if {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C, class D >
C
operator()(A a, A b, C c, D d) const
{ return ::std::remove_copy_if(a, b, c, d); }
};
// unique ---------------------------------
struct unique {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A>
A
operator()(A a, A b) const
{ return ::std::unique(a, b); }
template <class A, class C>
A
operator()(A a, A b, C c) const
{ return ::std::unique(a, b, c); }
};
// unique_copy ---------------------------------
struct unique_copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C >
C
operator()(A a, A b, C c) const
{ return ::std::unique_copy(a, b, c); }
template <class A, class C, class D>
C
operator()(A a, A b, C c, D d) const
{ return ::std::unique_copy(a, b, c, d); }
};
// reverse ---------------------------------
struct reverse {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b) const
{ ::std::reverse(a, b); }
};
// reverse_copy ---------------------------------
struct reverse_copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C >
C
operator()(A a, A b, C c) const
{ return ::std::reverse_copy(a, b, c); }
};
// rotate ---------------------------------
struct rotate {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b, A c) const
{ ::std::rotate(a, b, c); }
};
// rotate_copy ---------------------------------
struct rotate_copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class D>
D
operator()(A a, A b, A c, D d) const
{ return ::std::rotate_copy(a, b, c, d); }
};
// random_shuffle ---------------------------------
struct random_shuffle {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b) const
{ ::std::random_shuffle(a, b); }
template <class A, class C>
void
operator()(A a, A b, const C& c) const
{ ::std::random_shuffle(a, b, c); }
};
// partition ---------------------------------
struct partition {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, C c) const
{ return ::std::partition(a, b, c); }
};
// stable_partition ---------------------------------
struct stable_partition {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, C c) const
{ return ::std::stable_partition(a, b, c); }
};
// sort ---------------------------------
struct sort {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b) const
{ ::std::sort(a, b); }
template <class A, class C>
void
operator()(A a, A b, C c) const
{ ::std::sort(a, b, c); }
};
// stable_sort ---------------------------------
struct stable_sort {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b) const
{ ::std::stable_sort(a, b); }
template <class A, class C>
void
operator()(A a, A b, C c) const
{ ::std::stable_sort(a, b, c); }
};
// partial_sort ---------------------------------
struct partial_sort {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b, A c) const
{ ::std::partial_sort(a, b, c); }
template <class A, class D>
void
operator()(A a, A b, A c, D d) const
{ ::std::partial_sort(a, b, c, d); }
};
// partial_sort_copy ---------------------------------
struct partial_sort_copy {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<3, Args>::type
>::type type;
};
template <class A, class C>
C
operator()(A a, A b, C c, C d) const
{ return ::std::partial_sort_copy(a, b, c, d); }
template <class A, class C, class E >
C
operator()(A a, A b, C c, C d, E e) const
{ return ::std::partial_sort_copy(a, b, c, d, e); }
};
// nth_element ---------------------------------
struct nth_element {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b, A c) const
{ ::std::nth_element(a, b, c); }
template <class A, class D>
void
operator()(A a, A b, A c, D d) const
{ ::std::nth_element(a, b, c, d); }
};
// lower_bound ---------------------------------
struct lower_bound {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, const C& c) const
{ return ::std::lower_bound(a, b, c); }
template <class A, class C, class D>
A
operator()(A a, A b, const C& c, D d) const
{ return ::std::lower_bound(a, b, c, d); }
};
// upper_bound ---------------------------------
struct upper_bound {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type type;
};
template <class A, class C>
A
operator()(A a, A b, const C& c) const
{ return ::std::upper_bound(a, b, c); }
template <class A, class C, class D>
A
operator()(A a, A b, const C& c, D d) const
{ return ::std::upper_bound(a, b, c, d); }
};
// equal_range ---------------------------------
struct equal_range {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<1, Args>::type
>::type element_type;
typedef ::std::pair< element_type, element_type > type;
};
template <class A, class C>
::std::pair<A,A>
operator()(A a, A b, const C& c) const
{ return ::std::equal_range(a, b, c); }
template <class A, class C, class D>
::std::pair<A,A>
operator()(A a, A b, const C& c, D d) const
{ return ::std::equal_range(a, b, c, d); }
};
// binary_search ---------------------------------
struct binary_search {
template <class Args>
struct sig {
typedef bool type;
};
template <class A, class C >
bool
operator()(A a, A b, const C& c) const
{ return ::std::binary_search(a, b, c); }
template <class A, class C, class D>
bool
operator()(A a, A b, const C& c, D d) const
{ return ::std::binary_search(a, b, c, d); }
};
// merge --------------------------------
struct merge {
template <class Args>
struct sig {
typedef typename boost::remove_const<
typename boost::tuples::element<5, Args>::type
>::type type;
};
template <class A, class C, class E>
E
operator()(A a, A b, C c, C d, E e) const
{ return std::merge(a, b, c, d, e);}
template <class A, class C, class E, class F>
E
operator()(A a, A b, C c, C d, E e, F f) const
{ return std::merge(a, b, c, d, e, f);}
};
// inplace_merge ---------------------------------
struct inplace_merge {
template <class Args>
struct sig {
typedef void type;
};
template <class A>
void
operator()(A a, A b, A c) const
{ ::std::inplace_merge(a, b, c); }
template <class A, class D>
void
operator()(A a, A b, A c, D d) const
{ ::std::inplace_merge(a, b, c, d); }
};
// includes ---------------------------------
struct includes {
template <class Args>
struct sig {
typedef bool type;
};
template <class A, class C>
bool
operator()(A a, A b, C c, C d) const
{ return ::std::includes(a, b, c, d); }
template <class A, class C, class E>
bool