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/* matrix/copy_source.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
* Copyright (C) 2019 Patrick Alken
*
* 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;
size_t i;
if (src_size1 != dest_size1 || src_size2 != dest_size2)
{
GSL_ERROR ("matrix sizes are different", GSL_EBADLEN);
}
#if defined(BASE_DOUBLE) || defined(BASE_FLOAT) || defined(BASE_GSL_COMPLEX) || defined(BASE_GSL_COMPLEX_FLOAT)
for (i = 0; i < src_size1; ++i)
{
VIEW (gsl_vector, const_view) sv = FUNCTION (gsl_matrix, const_row) (src, i);
VIEW (gsl_vector, view) dv = FUNCTION (gsl_matrix, row) (dest, i);
#if defined(BASE_DOUBLE)
gsl_blas_dcopy(&sv.vector, &dv.vector);
#elif defined(BASE_FLOAT)
gsl_blas_scopy(&sv.vector, &dv.vector);
#elif defined(BASE_GSL_COMPLEX)
gsl_blas_zcopy(&sv.vector, &dv.vector);
#elif defined(BASE_GSL_COMPLEX_FLOAT)
gsl_blas_ccopy(&sv.vector, &dv.vector);
#endif
}
#else
{
const size_t src_tda = src->tda ;
const size_t dest_tda = dest->tda ;
size_t 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];
}
}
}
#endif
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;
size_t i;
if (src_size1 != dest_size1 || src_size2 != dest_size2)
{
GSL_ERROR ("matrix sizes are different", GSL_EBADLEN);
}
#if defined(BASE_DOUBLE) || defined(BASE_FLOAT) || defined(BASE_GSL_COMPLEX) || defined(BASE_GSL_COMPLEX_FLOAT)
for (i = 0; i < src_size1; ++i)
{
VIEW (gsl_vector, view) sv = FUNCTION (gsl_matrix, row) (src, i);
VIEW (gsl_vector, view) dv = FUNCTION (gsl_matrix, row) (dest, i);
#if defined(BASE_DOUBLE)
gsl_blas_dswap(&sv.vector, &dv.vector);
#elif defined(BASE_FLOAT)
gsl_blas_sswap(&sv.vector, &dv.vector);
#elif defined(BASE_GSL_COMPLEX)
gsl_blas_zswap(&sv.vector, &dv.vector);
#elif defined(BASE_GSL_COMPLEX_FLOAT)
gsl_blas_cswap(&sv.vector, &dv.vector);
#endif
}
#else
{
const size_t src_tda = src->tda ;
const size_t dest_tda = dest->tda ;
size_t 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 ;
}
}
}
#endif
return GSL_SUCCESS;
}
int
FUNCTION (gsl_matrix, tricpy) (CBLAS_UPLO_t Uplo,
CBLAS_DIAG_t Diag,
TYPE (gsl_matrix) * dest,
const TYPE (gsl_matrix) * src)
{
const size_t M = src->size1;
const size_t N = src->size2;
size_t i;
if (M != dest->size1 || N != dest->size2)
{
GSL_ERROR ("matrix sizes are different", GSL_EBADLEN);
}
#if defined(BASE_DOUBLE) || defined(BASE_FLOAT) || defined(BASE_GSL_COMPLEX) || defined(BASE_GSL_COMPLEX_FLOAT)
if (Uplo == CblasLower)
{
for (i = 1; i < M; i++)
{
size_t k = GSL_MIN (i, N);
VIEW (gsl_vector, const_view) a = FUNCTION (gsl_matrix, const_subrow) (src, i, 0, k);
VIEW (gsl_vector, view) b = FUNCTION (gsl_matrix, subrow) (dest, i, 0, k);
#if defined(BASE_DOUBLE)
gsl_blas_dcopy(&a.vector, &b.vector);
#elif defined(BASE_FLOAT)
gsl_blas_scopy(&a.vector, &b.vector);
#elif defined(BASE_GSL_COMPLEX)
gsl_blas_zcopy(&a.vector, &b.vector);
#elif defined(BASE_GSL_COMPLEX_FLOAT)
gsl_blas_ccopy(&a.vector, &b.vector);
#endif
}
}
else if (Uplo == CblasUpper)
{
for (i = 0; i < GSL_MIN(M, N - 1); i++)
{
VIEW (gsl_vector, const_view) a = FUNCTION (gsl_matrix, const_subrow) (src, i, i + 1, N - i - 1);
VIEW (gsl_vector, view) b = FUNCTION (gsl_matrix, subrow) (dest, i, i + 1, N - i - 1);
#if defined(BASE_DOUBLE)
gsl_blas_dcopy(&a.vector, &b.vector);
#elif defined(BASE_FLOAT)
gsl_blas_scopy(&a.vector, &b.vector);
#elif defined(BASE_GSL_COMPLEX)
gsl_blas_zcopy(&a.vector, &b.vector);
#elif defined(BASE_GSL_COMPLEX_FLOAT)
gsl_blas_ccopy(&a.vector, &b.vector);
#endif
}
}
if (Diag == CblasNonUnit)
{
VIEW (gsl_vector, const_view) a = FUNCTION (gsl_matrix, const_diagonal) (src);
VIEW (gsl_vector, view) b = FUNCTION (gsl_matrix, diagonal) (dest);
#if defined(BASE_DOUBLE)
gsl_blas_dcopy(&a.vector, &b.vector);
#elif defined(BASE_FLOAT)
gsl_blas_scopy(&a.vector, &b.vector);
#elif defined(BASE_GSL_COMPLEX)
gsl_blas_zcopy(&a.vector, &b.vector);
#elif defined(BASE_GSL_COMPLEX_FLOAT)
gsl_blas_ccopy(&a.vector, &b.vector);
#endif
}
#else
{
const size_t src_tda = src->tda ;
const size_t dest_tda = dest->tda ;
size_t j, k;
if (Uplo == CblasLower)
{
for (i = 1; i < M ; i++)
{
for (j = 0; j < GSL_MIN(i, N); 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 == CblasUpper)
{
for (i = 0; i < M ; i++)
{
for (j = i + 1; j < N; 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 parameter", GSL_EINVAL);
}
if (Diag == CblasNonUnit)
{
for (i = 0; i < GSL_MIN(M, N); 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];
}
}
}
}
#endif
return GSL_SUCCESS;
}
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