57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*
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* Copyright (c) 2015, PHILIPPE TILLET. All rights reserved.
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*
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* This file is part of ISAAC.
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*
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* ISAAC is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef ISAAC_TYPES_H
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#define ISAAC_TYPES_H
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#include <algorithm>
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#include <vector>
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#include <cstddef>
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#include "isaac/defines.h"
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namespace isaac
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{
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typedef long long int_t;
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static const int_t start = 0;
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static const int_t end = -1;
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static const int_t newaxis = 1;
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struct slice
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{
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// slice(int_t _start) : start(_start), end(_start + 1), stride(1){}
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slice(int_t _start, int_t _end, int_t _stride = 1) : start(_start), end(_end), stride(_stride) { }
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int_t size(int_t bound) const
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{
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int_t effective_end = (end < 0)?bound - std::abs(end + 1):end;
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return (effective_end - start)/stride;
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}
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int_t start;
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int_t end;
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int_t stride;
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};
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static const slice all = slice{start, end, 1};
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}
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#endif
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