mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-18 14:30:15 +00:00
124 lines
3 KiB
C
124 lines
3 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2003, 2007-14 Matteo Frigo
|
||
|
|
* Copyright (c) 2003, 2007-14 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#include "kernel/ifftw.h"
|
||
|
|
|
||
|
|
tensor *X(mktensor)(int rnk)
|
||
|
|
{
|
||
|
|
tensor *x;
|
||
|
|
|
||
|
|
A(rnk >= 0);
|
||
|
|
|
||
|
|
#if defined(STRUCT_HACK_KR)
|
||
|
|
if (FINITE_RNK(rnk) && rnk > 1)
|
||
|
|
x = (tensor *)MALLOC(sizeof(tensor) + (unsigned)(rnk - 1) * sizeof(iodim),
|
||
|
|
TENSORS);
|
||
|
|
else
|
||
|
|
x = (tensor *)MALLOC(sizeof(tensor), TENSORS);
|
||
|
|
#elif defined(STRUCT_HACK_C99)
|
||
|
|
if (FINITE_RNK(rnk))
|
||
|
|
x = (tensor *)MALLOC(sizeof(tensor) + (unsigned)rnk * sizeof(iodim),
|
||
|
|
TENSORS);
|
||
|
|
else
|
||
|
|
x = (tensor *)MALLOC(sizeof(tensor), TENSORS);
|
||
|
|
#else
|
||
|
|
x = (tensor *)MALLOC(sizeof(tensor), TENSORS);
|
||
|
|
if (FINITE_RNK(rnk) && rnk > 0)
|
||
|
|
x->dims = (iodim *)MALLOC(sizeof(iodim) * (unsigned)rnk, TENSORS);
|
||
|
|
else
|
||
|
|
x->dims = 0;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
x->rnk = rnk;
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
|
||
|
|
void X(tensor_destroy)(tensor *sz)
|
||
|
|
{
|
||
|
|
#if !defined(STRUCT_HACK_C99) && !defined(STRUCT_HACK_KR)
|
||
|
|
X(ifree0)(sz->dims);
|
||
|
|
#endif
|
||
|
|
X(ifree)(sz);
|
||
|
|
}
|
||
|
|
|
||
|
|
INT X(tensor_sz)(const tensor *sz)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
INT n = 1;
|
||
|
|
|
||
|
|
if (!FINITE_RNK(sz->rnk))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
for (i = 0; i < sz->rnk; ++i)
|
||
|
|
n *= sz->dims[i].n;
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
void X(tensor_md5)(md5 *p, const tensor *t)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
X(md5int)(p, t->rnk);
|
||
|
|
if (FINITE_RNK(t->rnk)) {
|
||
|
|
for (i = 0; i < t->rnk; ++i) {
|
||
|
|
const iodim *q = t->dims + i;
|
||
|
|
X(md5INT)(p, q->n);
|
||
|
|
X(md5INT)(p, q->is);
|
||
|
|
X(md5INT)(p, q->os);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* treat a (rank <= 1)-tensor as a rank-1 tensor, extracting
|
||
|
|
appropriate n, is, and os components */
|
||
|
|
int X(tensor_tornk1)(const tensor *t, INT *n, INT *is, INT *os)
|
||
|
|
{
|
||
|
|
A(t->rnk <= 1);
|
||
|
|
if (t->rnk == 1) {
|
||
|
|
const iodim *vd = t->dims;
|
||
|
|
*n = vd[0].n;
|
||
|
|
*is = vd[0].is;
|
||
|
|
*os = vd[0].os;
|
||
|
|
} else {
|
||
|
|
*n = 1;
|
||
|
|
*is = *os = 0;
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void X(tensor_print)(const tensor *x, printer *p)
|
||
|
|
{
|
||
|
|
if (FINITE_RNK(x->rnk)) {
|
||
|
|
int i;
|
||
|
|
int first = 1;
|
||
|
|
p->print(p, "(");
|
||
|
|
for (i = 0; i < x->rnk; ++i) {
|
||
|
|
const iodim *d = x->dims + i;
|
||
|
|
p->print(p, "%s(%D %D %D)",
|
||
|
|
first ? "" : " ",
|
||
|
|
d->n, d->is, d->os);
|
||
|
|
first = 0;
|
||
|
|
}
|
||
|
|
p->print(p, ")");
|
||
|
|
} else {
|
||
|
|
p->print(p, "rank-minfty");
|
||
|
|
}
|
||
|
|
}
|