mirror of
https://github.com/boostorg/integer.git
synced 2025-11-05 10:41:37 +01:00
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// boost integer_common_factor_example.cpp
|
|
|
|
// Copyright Paul A. Bristow 2015
|
|
// Use, modification and distribution are subject to 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)
|
|
|
|
// Caution: this file contains Quickbook markup as well as code
|
|
// and comments, don't change any of the special comment markups!
|
|
|
|
//[integer_common_factor_example_0
|
|
|
|
// #include <boost/integer/common_factor.hpp>
|
|
|
|
#include <boost/integer/common_factor_ct.hpp> // For compile-time GCD & LCM Determination
|
|
#include <boost/integer/common_factor_rt.hpp> // For run-time GCD & LCM Determination
|
|
|
|
//] [/integer_common_factor_example_0]
|
|
#include <iostream>
|
|
#include <algorithm>
|
|
#include <iterator>
|
|
|
|
#include <limits> // for numeric_limits min and max.
|
|
|
|
int main()
|
|
{
|
|
//[integer_common_factor_example_1
|
|
std::cout << "The run-time GCD and LCM of 6 and 15 are "
|
|
<< boost::integer::gcd(6, 15) << " and "
|
|
<< boost::integer::lcm(6, 15) << ", respectively."
|
|
<< std::endl;
|
|
// The GCD and LCM of 6 and 15 are 3 and 30, respectively.
|
|
//] [/integer_common_factor_example_1]
|
|
|
|
//[integer_common_factor_example_2
|
|
|
|
std::cout << "The compile-time GCD and LCM of 8 and 9 are "
|
|
<< boost::integer::static_gcd<8, 9>::value
|
|
<< " and "
|
|
<< boost::integer::static_lcm<8, 9>::value
|
|
<< ", respectively." << std::endl;
|
|
// The GCD and LCM of 8 and 9 are 1 and 72, respectively.
|
|
//] [/integer_common_factor_example_2]
|
|
|
|
//[integer_common_factor_example_3
|
|
int a[] = { 4, 5, 6 }, b[] = { 7, 8, 9 }, c[3];
|
|
std::transform(a, a + 3, b, c, boost::integer::gcd_evaluator<int>());
|
|
std::copy(c, c + 3, std::ostream_iterator<int>(std::cout, " "));
|
|
//] [/integer_common_factor_example_3]
|
|
|
|
} // int main
|
|
|
|
/*
|
|
//[integer_common_factor_example_output
|
|
The run-time GCD and LCM of 6 and 15 are 3 and 30, respectively.
|
|
The compile-time GCD and LCM of 8 and 9 are 1 and 72, respectively.
|
|
1 1 3
|
|
//] [/integer_common_factor_example_output]
|
|
*/
|