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///////////////////////////////////////////////////////////////
// Copyright 2011 John Maddock. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
#include <boost/multiprecision/cpp_int.hpp>
#include <iostream>
void t1()
{
//[cpp_int_eg
//=#include <boost/multiprecision/cpp_int.hpp>
//=#include <iostream>
//=
//=int main()
//={
using namespace boost::multiprecision;
int128_t v = 1;
// Do some fixed precision arithmetic:
for(unsigned i = 1; i <= 20; ++i)
v *= i;
std::cout << v << std::endl; // prints 2432902008176640000 (i.e. 20!)
// Repeat at arbitrary precision:
cpp_int u = 1;
for(unsigned i = 1; i <= 100; ++i)
u *= i;
// prints 93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000 (i.e. 100!)
std::cout << u << std::endl;
//= return 0;
//=}
//]
}
void t3()
{
//[cpp_rational_eg
//=#include <boost/multiprecision/cpp_int.hpp>
//=#include <iostream>
//=
//=int main()
//={
using namespace boost::multiprecision;
cpp_rational v = 1;
// Do some arithmetic:
for(unsigned i = 1; i <= 1000; ++i)
v *= i;
v /= 10;
std::cout << v << std::endl; // prints 1000! / 10
std::cout << numerator(v) << std::endl;
std::cout << denominator(v) << std::endl;
cpp_rational w(2, 3); // component wise constructor
std::cout << w << std::endl; // prints 2/3
//= return 0;
//=}
//]
}
int main()
{
t1();
t3();
return 0;
}
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