mirror of
https://github.com/tildearrow/furnace.git
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62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "api/api.h"
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tensor *X(mktensor_rowmajor)(int rnk, const int *n,
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const int *niphys, const int *nophys,
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int is, int os)
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{
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tensor *x = X(mktensor)(rnk);
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if (FINITE_RNK(rnk) && rnk > 0) {
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int i;
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A(n && niphys && nophys);
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x->dims[rnk - 1].is = is;
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x->dims[rnk - 1].os = os;
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x->dims[rnk - 1].n = n[rnk - 1];
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for (i = rnk - 1; i > 0; --i) {
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x->dims[i - 1].is = x->dims[i].is * niphys[i];
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x->dims[i - 1].os = x->dims[i].os * nophys[i];
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x->dims[i - 1].n = n[i - 1];
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}
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}
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return x;
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}
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static int rowmajor_kosherp(int rnk, const int *n)
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{
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int i;
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if (!FINITE_RNK(rnk)) return 0;
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if (rnk < 0) return 0;
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for (i = 0; i < rnk; ++i)
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if (n[i] <= 0) return 0;
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return 1;
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}
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int X(many_kosherp)(int rnk, const int *n, int howmany)
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{
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return (howmany >= 0) && rowmajor_kosherp(rnk, n);
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}
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