mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-11-25 18:50:19 -06:00
98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
/*
|
|
Copyright 2013 SINTEF ICT, Applied Mathematics.
|
|
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef OPM_AUTODIFFVEC_HEADER_INCLUDED
|
|
#define OPM_AUTODIFFVEC_HEADER_INCLUDED
|
|
|
|
#include "AutoDiff.hpp"
|
|
#include <Eigen/Eigen>
|
|
#include <Eigen/Sparse>
|
|
#include <iostream>
|
|
|
|
namespace AutoDiff
|
|
{
|
|
|
|
template <typename Scalar>
|
|
class ForwardVec
|
|
{
|
|
public:
|
|
typedef Eigen::Array<Scalar, Eigen::Dynamic, 1> V;
|
|
typedef Eigen::SparseMatrix<Scalar> M;
|
|
|
|
static ForwardVec constant(const V& val)
|
|
{
|
|
return ForwardVec(val);
|
|
}
|
|
|
|
static ForwardVec variable(const V& val)
|
|
{
|
|
ForwardVec ret(val);
|
|
for (typename M::Index row = 0; row < val.size(); ++row) {
|
|
ret.jac_.insert(row, row) = 1.0;
|
|
}
|
|
ret.jac_.makeCompressed();
|
|
return ret;
|
|
}
|
|
|
|
static ForwardVec function(const V& val, const M& jac)
|
|
{
|
|
return ForwardVec(val, jac);
|
|
}
|
|
|
|
explicit ForwardVec(const V& val)
|
|
: val_(val), jac_(val.size(), val.size())
|
|
{
|
|
}
|
|
|
|
ForwardVec(const V& val, const M& jac)
|
|
: val_(val), jac_(jac)
|
|
{
|
|
}
|
|
|
|
template <class Ostream>
|
|
Ostream&
|
|
print(Ostream& os) const
|
|
{
|
|
os << "val =\n" << val_ << "\n\njac =\n" << jac_ << "\n";
|
|
|
|
return os;
|
|
}
|
|
|
|
|
|
private:
|
|
V val_;
|
|
M jac_;
|
|
};
|
|
|
|
|
|
template <class Ostream, typename Scalar>
|
|
Ostream&
|
|
operator<<(Ostream& os, const ForwardVec<Scalar>& fw)
|
|
{
|
|
return fw.print(os);
|
|
}
|
|
|
|
|
|
|
|
} // namespace Autodiff
|
|
|
|
|
|
|
|
#endif // OPM_AUTODIFFVEC_HEADER_INCLUDED
|