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/* matrix/copy_source.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
*
* 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 3 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.
*/
int
FUNCTION (gsl_matrix, memcpy) (TYPE (gsl_matrix) * dest,
const TYPE (gsl_matrix) * src)
{
const size_t src_size1 = src->size1;
const size_t src_size2 = src->size2;
const size_t dest_size1 = dest->size1;
const size_t dest_size2 = dest->size2;
if (src_size1 != dest_size1 || src_size2 != dest_size2)
{
GSL_ERROR ("matrix sizes are different", GSL_EBADLEN);
}
{
const size_t src_tda = src->tda ;
const size_t dest_tda = dest->tda ;
size_t i, j;
for (i = 0; i < src_size1 ; i++)
{
for (j = 0; j < MULTIPLICITY * src_size2; j++)
{
dest->data[MULTIPLICITY * dest_tda * i + j]
= src->data[MULTIPLICITY * src_tda * i + j];
}
}
}
return GSL_SUCCESS;
}
int
FUNCTION (gsl_matrix, swap) (TYPE (gsl_matrix) * dest, TYPE (gsl_matrix) * src)
{
const size_t src_size1 = src->size1;
const size_t src_size2 = src->size2;
const size_t dest_size1 = dest->size1;
const size_t dest_size2 = dest->size2;
if (src_size1 != dest_size1 || src_size2 != dest_size2)
{
GSL_ERROR ("matrix sizes are different", GSL_EBADLEN);
}
{
const size_t src_tda = src->tda ;
const size_t dest_tda = dest->tda ;
size_t i, j;
for (i = 0; i < src_size1 ; i++)
{
for (j = 0; j < MULTIPLICITY * src_size2; j++)
{
ATOMIC tmp = src->data[MULTIPLICITY * src_tda * i + j];
src->data[MULTIPLICITY * src_tda * i + j]
= dest->data[MULTIPLICITY * dest_tda * i + j];
dest->data[MULTIPLICITY * dest_tda * i + j] = tmp ;
}
}
}
return GSL_SUCCESS;
}
int
FUNCTION (gsl_matrix, tricpy) (const char uplo_src,
const int copy_diag, TYPE (gsl_matrix) * dest,
const TYPE (gsl_matrix) * src)
{
const size_t src_size1 = src->size1;
const size_t src_size2 = src->size2;
const size_t dest_size1 = dest->size1;
const size_t dest_size2 = dest->size2;
if (src_size1 != dest_size1 || src_size2 != dest_size2)
{
GSL_ERROR ("matrix sizes are different", GSL_EBADLEN);
}
{
const size_t src_tda = src->tda ;
const size_t dest_tda = dest->tda ;
size_t i, j, k;
if (uplo_src == 'L')
{
for (i = 0; i < src_size1 ; i++)
{
for (j = 0; j < i; j++)
{
for (k = 0; k < MULTIPLICITY; k++)
{
size_t e1 = (i * dest_tda + j) * MULTIPLICITY + k ;
size_t e2 = (i * src_tda + j) * MULTIPLICITY + k ;
dest->data[e1] = src->data[e2];
}
}
}
}
else if (uplo_src == 'U')
{
for (i = 0; i < src_size1 ; i++)
{
for (j = i + 1; j < src_size2; j++)
{
for (k = 0; k < MULTIPLICITY; k++)
{
size_t e1 = (i * dest_tda + j) * MULTIPLICITY + k ;
size_t e2 = (i * src_tda + j) * MULTIPLICITY + k ;
dest->data[e1] = src->data[e2];
}
}
}
}
else
{
GSL_ERROR ("invalid uplo parameters", GSL_EINVAL);
}
if (copy_diag)
{
for (i = 0; i < src_size1 ; i++)
{
for (k = 0; k < MULTIPLICITY; k++)
{
size_t e1 = (i * dest_tda + i) * MULTIPLICITY + k ;
size_t e2 = (i * src_tda + i) * MULTIPLICITY + k ;
dest->data[e1] = src->data[e2];
}
}
}
}
return GSL_SUCCESS;
}
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