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// Boost GCD & LCM common_factor.hpp test program --------------------------//
// (C) Copyright Daryle Walker 2001. Permission to copy, use, modify, sell
// and distribute this software is granted provided this copyright
// notice appears in all copies. This software is provided "as is" without
// express or implied warranty, and with no claim as to its suitability for
// any purpose.
// See http://www.boost.org for most recent version including documentation.
// Revision History
// 07 Nov 2001 Initial version (Daryle Walker)
#define BOOST_INCLUDE_MAIN
#include <boost/config.hpp> // for BOOST_MSVC
#include <boost/cstdlib.hpp> // for boost::exit_success
#include <boost/math/common_factor.hpp> // for boost::math::gcd, etc.
#include <boost/test/test_tools.hpp> // for main, BOOST_TEST
#include <iostream> // for std::cout (std::endl indirectly)
// Control to determine what kind of built-in integers are used
#ifndef CONTROL_INT_TYPE
#define CONTROL_INT_TYPE int
#endif
// Main testing function
int
test_main
(
int , // "argc" is unused
char * [] // "argv" is unused
)
{
using std::cout;
using std::endl;
#ifndef BOOST_MSVC
using boost::math::gcd;
using boost::math::static_gcd;
using boost::math::lcm;
using boost::math::static_lcm;
#else
using namespace boost::math;
#endif
typedef CONTROL_INT_TYPE int_type;
// GCD tests
cout << "Doing tests on gcd." << endl;
BOOST_TEST( gcd<int_type>( 1, -1) == 1 );
BOOST_TEST( gcd<int_type>( -1, 1) == 1 );
BOOST_TEST( gcd<int_type>( 1, 1) == 1 );
BOOST_TEST( gcd<int_type>( -1, -1) == 1 );
BOOST_TEST( gcd<int_type>( 0, 0) == 0 );
BOOST_TEST( gcd<int_type>( 7, 0) == 7 );
BOOST_TEST( gcd<int_type>( 0, 9) == 9 );
BOOST_TEST( gcd<int_type>( -7, 0) == 7 );
BOOST_TEST( gcd<int_type>( 0, -9) == 9 );
BOOST_TEST( gcd<int_type>( 42, 30) == 6 );
BOOST_TEST( gcd<int_type>( 6, -9) == 3 );
BOOST_TEST( gcd<int_type>(-10, -10) == 10 );
BOOST_TEST( gcd<int_type>(-25, -10) == 5 );
BOOST_TEST( gcd<int_type>( 3, 7) == 1 );
BOOST_TEST( gcd<int_type>( 8, 9) == 1 );
BOOST_TEST( gcd<int_type>( 7, 49) == 7 );
cout << "Doing tests on static_gcd." << endl;
BOOST_TEST( (static_gcd< 1, 1>::value) == 1 );
BOOST_TEST( (static_gcd< 0, 0>::value) == 0 );
BOOST_TEST( (static_gcd< 7, 0>::value) == 7 );
BOOST_TEST( (static_gcd< 0, 9>::value) == 9 );
BOOST_TEST( (static_gcd<42, 30>::value) == 6 );
BOOST_TEST( (static_gcd< 3, 7>::value) == 1 );
BOOST_TEST( (static_gcd< 8, 9>::value) == 1 );
BOOST_TEST( (static_gcd< 7, 49>::value) == 7 );
// LCM tests
cout << "Doing tests on lcm." << endl;
BOOST_TEST( lcm<int_type>( 1, -1) == 1 );
BOOST_TEST( lcm<int_type>( -1, 1) == 1 );
BOOST_TEST( lcm<int_type>( 1, 1) == 1 );
BOOST_TEST( lcm<int_type>( -1, -1) == 1 );
BOOST_TEST( lcm<int_type>( 0, 0) == 0 );
BOOST_TEST( lcm<int_type>( 6, 0) == 0 );
BOOST_TEST( lcm<int_type>( 0, 7) == 0 );
BOOST_TEST( lcm<int_type>( -5, 0) == 0 );
BOOST_TEST( lcm<int_type>( 0, -4) == 0 );
BOOST_TEST( lcm<int_type>( 18, 30) == 90 );
BOOST_TEST( lcm<int_type>( -6, 9) == 18 );
BOOST_TEST( lcm<int_type>(-10, -10) == 10 );
BOOST_TEST( lcm<int_type>( 25, -10) == 50 );
BOOST_TEST( lcm<int_type>( 3, 7) == 21 );
BOOST_TEST( lcm<int_type>( 8, 9) == 72 );
BOOST_TEST( lcm<int_type>( 7, 49) == 49 );
cout << "Doing tests on static_lcm." << endl;
BOOST_TEST( (static_lcm< 1, 1>::value) == 1 );
BOOST_TEST( (static_lcm< 0, 0>::value) == 0 );
BOOST_TEST( (static_lcm< 6, 0>::value) == 0 );
BOOST_TEST( (static_lcm< 0, 7>::value) == 0 );
BOOST_TEST( (static_lcm<18, 30>::value) == 90 );
BOOST_TEST( (static_lcm< 3, 7>::value) == 21 );
BOOST_TEST( (static_lcm< 8, 9>::value) == 72 );
BOOST_TEST( (static_lcm< 7, 49>::value) == 49 );
return boost::exit_success;
}
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