| /* block/fwrite_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_block, fread) (FILE * stream, TYPE(gsl_block) * b) |
| { |
| size_t n = b->size ; |
| |
| ATOMIC * data = b->data ; |
| |
| size_t items = fread (data, MULTIPLICITY * sizeof (ATOMIC), n, stream); |
| |
| if (items != n) |
| { |
| GSL_ERROR ("fread failed", GSL_EFAILED); |
| } |
| |
| return 0; |
| } |
| |
| int |
| FUNCTION (gsl_block, fwrite) (FILE * stream, const TYPE(gsl_block) * b) |
| { |
| size_t n = b->size ; |
| |
| ATOMIC * data = b->data ; |
| |
| size_t items = fwrite (data, MULTIPLICITY * sizeof (ATOMIC), n, stream); |
| |
| if (items != n) |
| { |
| GSL_ERROR ("fwrite failed", GSL_EFAILED); |
| } |
| |
| return 0; |
| } |
| |
| int |
| FUNCTION (gsl_block, raw_fread) (FILE * stream, ATOMIC * data, |
| const size_t n, const size_t stride) |
| { |
| if (stride == 1) |
| { |
| size_t items = fread (data, MULTIPLICITY * sizeof (ATOMIC), n, stream); |
| |
| if (items != n) |
| { |
| GSL_ERROR ("fread failed", GSL_EFAILED); |
| } |
| } |
| else |
| { |
| size_t i; |
| |
| for (i = 0; i < n; i++) |
| { |
| size_t item = fread (data + MULTIPLICITY * i * stride, |
| MULTIPLICITY * sizeof (ATOMIC), 1, stream); |
| if (item != 1) |
| { |
| GSL_ERROR ("fread failed", GSL_EFAILED); |
| } |
| } |
| } |
| |
| return GSL_SUCCESS; |
| } |
| |
| int |
| FUNCTION (gsl_block, raw_fwrite) (FILE * stream, const ATOMIC * data, |
| const size_t n, const size_t stride) |
| { |
| |
| if (stride == 1) |
| { |
| size_t items = fwrite (data, MULTIPLICITY * sizeof (ATOMIC), n, stream); |
| |
| if (items != n) |
| { |
| GSL_ERROR ("fwrite failed", GSL_EFAILED); |
| } |
| } |
| else |
| { |
| size_t i; |
| |
| for (i = 0; i < n; i++) |
| { |
| size_t item = fwrite (data + MULTIPLICITY * i * stride, |
| MULTIPLICITY * sizeof (ATOMIC), |
| 1, stream); |
| if (item != 1) |
| { |
| GSL_ERROR ("fwrite failed", GSL_EFAILED); |
| } |
| } |
| } |
| |
| return GSL_SUCCESS; |
| } |