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Diffstat (limited to 'gsl-1.9/matrix/copy_source.c')
-rw-r--r-- | gsl-1.9/matrix/copy_source.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/gsl-1.9/matrix/copy_source.c b/gsl-1.9/matrix/copy_source.c new file mode 100644 index 0000000..1b51548 --- /dev/null +++ b/gsl-1.9/matrix/copy_source.c @@ -0,0 +1,88 @@ +/* matrix/copy_source.c + * + * Copyright (C) 1996, 1997, 1998, 1999, 2000 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 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. + */ + +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; +} + + + + |