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/*
* Copyright (c) 2003, 2007-8 Matteo Frigo
* Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "api.h"
tensor *X(mktensor_rowmajor)(int rnk, const int *n,
const int *niphys, const int *nophys,
int is, int os)
{
tensor *x = X(mktensor)(rnk);
if (FINITE_RNK(rnk) && rnk > 0) {
int i;
A(n && niphys && nophys);
x->dims[rnk - 1].is = is;
x->dims[rnk - 1].os = os;
x->dims[rnk - 1].n = n[rnk - 1];
for (i = rnk - 1; i > 0; --i) {
x->dims[i - 1].is = x->dims[i].is * niphys[i];
x->dims[i - 1].os = x->dims[i].os * nophys[i];
x->dims[i - 1].n = n[i - 1];
}
}
return x;
}
static int rowmajor_kosherp(int rnk, const int *n)
{
int i;
if (!FINITE_RNK(rnk)) return 0;
if (rnk < 0) return 0;
for (i = 0; i < rnk; ++i)
if (n[i] <= 0) return 0;
return 1;
}
int X(many_kosherp)(int rnk, const int *n, int howmany)
{
return (howmany >= 0) && rowmajor_kosherp(rnk, n);
}
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