odeint/performance/rt_algebra.hpp
2014-03-26 08:20:47 +01:00

33 lines
923 B
C++

/*
* Copyright 2011 Mario Mulansky
* Copyright 2012 Karsten Ahnert
*
* 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)
*/
#include <vector>
using namespace std;
struct rt_algebra
{
template< typename T , size_t dim >
inline static void foreach( boost::array< T , dim > & x_tmp ,
const boost::array< T , dim > &x ,
//const vector< double > &a ,
const double* a ,
const boost::array< T , dim > *k_vector ,
const double dt , const size_t s )
{
for( size_t i=0 ; i<dim ; ++i )
{
x_tmp[i] = x[i];
for( size_t j = 0 ; j<s ; ++j )
x_tmp[i] += a[j]*dt*k_vector[j][i];
}
}
};