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opm-common/opm/parser/eclipse/EclipseState/Grid/Box.cpp
2016-10-19 20:38:27 +02:00

159 lines
4.1 KiB
C++

/*
Copyright 2014 Statoil ASA.
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/>.
*/
#include <stdexcept>
#include <opm/parser/eclipse/EclipseState/Grid/Box.hpp>
namespace Opm {
Box::Box(int nx , int ny , int nz) {
if (nx <= 0)
throw std::invalid_argument("The input nx value is invalid");
if (ny <= 0)
throw std::invalid_argument("The input ny value is invalid");
if (nz <= 0)
throw std::invalid_argument("The input nz value is invalid");
m_dims[0] = (size_t) nx;
m_dims[1] = (size_t) ny;
m_dims[2] = (size_t) nz;
m_offset[0] = 0;
m_offset[1] = 0;
m_offset[2] = 0;
m_stride[0] = 1;
m_stride[1] = m_dims[0];
m_stride[2] = m_dims[0] * m_dims[1];
m_isGlobal = true;
initIndexList();
}
Box::Box(const Box& globalBox , int i1 , int i2 , int j1 , int j2 , int k1 , int k2) {
assertDims(globalBox , 0 , i1 , i2);
assertDims(globalBox , 1 , j1 , j2);
assertDims(globalBox , 2 , k1 , k2);
m_dims[0] = (size_t) (i2 - i1 + 1);
m_dims[1] = (size_t) (j2 - j1 + 1);
m_dims[2] = (size_t) (k2 - k1 + 1);
m_offset[0] = (size_t) i1;
m_offset[1] = (size_t) j1;
m_offset[2] = (size_t) k1;
m_stride[0] = 1;
m_stride[1] = globalBox.getDim(0);
m_stride[2] = globalBox.getDim(0) * globalBox.getDim(1);
if (size() == globalBox.size())
m_isGlobal = true;
else
m_isGlobal = false;
initIndexList();
}
void Box::assertDims(const Box& globalBox, size_t idim , int l1 , int l2) {
if ((l1 < 0) || (l2 < 0) || (l1 > l2))
throw std::invalid_argument("Invalid index values for sub box");
if ((size_t) l2 >= globalBox.getDim(idim))
throw std::invalid_argument("Invalid index values for sub box");
}
size_t Box::size() const {
return m_dims[0] * m_dims[1] * m_dims[2];
}
bool Box::isGlobal() const {
return m_isGlobal;
}
size_t Box::getDim(size_t idim) const {
if (idim >= 3)
throw std::invalid_argument("The input dimension value is invalid");
return m_dims[idim];
}
const std::vector<size_t>& Box::getIndexList() const {
return m_indexList;
}
void Box::initIndexList() {
m_indexList.resize( size() );
size_t ii,ij,ik;
size_t l = 0;
for (ik=0; ik < m_dims[2]; ik++) {
size_t k = ik + m_offset[2];
for (ij=0; ij < m_dims[1]; ij++) {
size_t j = ij + m_offset[1];
for (ii=0; ii < m_dims[0]; ii++) {
size_t i = ii + m_offset[0];
size_t g = i * m_stride[0] + j*m_stride[1] + k*m_stride[2];
m_indexList[l] = g;
l++;
}
}
}
}
bool Box::equal(const Box& other) const {
if (size() != other.size())
return false;
{
for (size_t idim = 0; idim < 3; idim++) {
if (m_dims[idim] != other.m_dims[idim])
return false;
if (m_stride[idim] != other.m_stride[idim])
return false;
if (m_offset[idim] != other.m_offset[idim])
return false;
}
}
return true;
}
Box::operator bool() const {
return this->size() != 0;
}
}