/usr/include/Cauchy/Eigen3/Range.h is in cauchy-dev 0.9.0-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | /*
* Copyright (c) 2010 Cyrille Berger <cberger@cberger.net>
*
* This library 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 2, or (at your option) any later version of the License.
*
* This library 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 General Public License
* along with this library; see the file COPYING.RUNTIME. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* The file COPYING.RUNTIME.EXCEPTION contains an exception that allow
* to use this file with other open source license
*/
#ifndef _CAUCHY_EIGEN3_RANGE_H_
#define _CAUCHY_EIGEN3_RANGE_H_
namespace Cauchy {
class Range {
public:
Range(Number start, Number end, Number step = 1) : m_start(start), m_end(end), m_step(step)
{}
Number start() const { return m_start; }
Number end() const { return m_end; }
Number step() const { return m_step; }
operator Matrix() const {
Matrix m(1, (m_end - m_start) / m_step + 1);
int idx = 0;
for(Number s = m_start; s <= m_end; s += m_step, ++idx)
{
m(0, idx) = s;
}
return m;
}
private:
Number m_start, m_end, m_step;
};
std::ostream& operator<< (std::ostream& ostr, const Range& range)
{
ostr << range.start() << ":" << range.step() << ":" << range.end();
return ostr;
}
}
#endif
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