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test_grid_tools.hh
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Wed, Dec 4, 23:54

test_grid_tools.hh
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/**
* Copyright (©) 2013-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
#include <map>
#include "aka_common.hh"
#include "aka_types.hh"
#define TOLERANCE 1e-7
template <Int dim> class Point {
public:
Point() : id(0), tol(TOLERANCE) {
for (Int i = 0; i < dim; ++i)
pos[i] = 0.;
}
Point(const Point & pt) : id(pt.id), tol(pt.tol) {
for (Int i = 0; i < dim; ++i)
pos[i] = pt.pos[i];
}
Point(const Vector<Real> & pt, UInt id = 0) : id(id), tol(TOLERANCE) {
for (Int i = 0; i < dim; ++i)
pos[i] = pt(i);
}
bool operator==(const Point & pt) const {
for (Int i = 0; i < dim; ++i) {
// std::cout << i << " " << pos[i] << " " << pt.pos[i] << " " <<
// std::abs(pos[i] - pt.pos[i]);
if (std::abs(pos[i] - pt.pos[i]) > tol) {
// std::cout << " " << false << std::endl;
return false;
} // else
// std::cout << " " << true << std::endl;
}
return true;
}
bool operator<(const Point & pt) const {
UInt i = 0, j = 0;
for (; (i < dim) && (j < dim); i++, j++) {
if (pos[i] < pt.pos[j])
return true;
if (pt.pos[j] < pos[i])
return false;
}
return (i == dim) && (j != dim);
}
bool operator!=(const Point & pt) const { return !(operator==(pt)); }
Real & operator()(UInt d) { return pos[d]; }
const Real & operator()(UInt d) const { return pos[d]; }
void read(const std::string & str) {
std::stringstream sstr(str);
for (Int i = 0; i < dim; ++i)
sstr >> pos[i];
}
void write(std::ostream & ostr) const {
for (Int i = 0; i < dim; ++i) {
if (i != 0)
ostr << " ";
// ostr << std::setprecision(std::numeric_limits<Real>::digits) <<
// pos[i];
ostr << std::setprecision(9) << pos[i];
}
}
private:
UInt id;
Real pos[dim];
double tol;
};
template <Int dim> struct neighbors_map_t {
typedef std::map<Point<dim>, std::vector<Point<dim>>> type;
};
template <Int dim>
inline std::ostream & operator<<(std::ostream & stream,
const Point<dim> & _this) {
_this.write(stream);
return stream;
}

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