positive_real_explicit.cpp

来自「矩阵运算源码最新版本」· C++ 代码 · 共 39 行

#include <iostream>
#include <cmath>

#include <boost/numeric/linear_algebra/operators.hpp>
#include <boost/numeric/linear_algebra/concepts.hpp>

#include <libs/numeric/linear_algebra/test/algebraic_functions.hpp>
#include <libs/numeric/linear_algebra/test/positive_real.hpp>

// User defined data types and operators

using mtl::positive_real;

# ifdef __GXX_CONCEPTS__
  namespace math { 
      concept_map Monoid< add<positive_real>, positive_real > {};
  }
# endif
 

int main(int, char* []) 
{
    positive_real                a0(0.0), a2(2.0), a3(3.0), a4(4.0), a5(5.0);
    math::add<positive_real>     my_add; 
  
    std::cout << "equal_results(a2,a5,  a3,a4, my_add) " 
	      << mtl::equal_results(a2,a5,  a3,a4, my_add)  << '\n'; 
    std::cout << "equal_results(a2,a4,  a3,a4, my_add) " 
	      << mtl::equal_results(a2,a4,  a3,a4, my_add)  << '\n';

    std::cout << "identity_pair(a2,a4, my_add) " 
	      << mtl::identity_pair(a2,a4, my_add)  << '\n';
    std::cout << "identity_pair(a0,a0, my_add) " 
	      << mtl::identity_pair(a0,a0, my_add)  << '\n';

    return 0;
}