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- /* histogram/file.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include <config.h>
- #include <stdio.h>
- #include <gsl/gsl_errno.h>
- #include <gsl/gsl_block.h>
- #include <gsl/gsl_histogram.h>
-
- int
- gsl_histogram_fread (FILE * stream, gsl_histogram * h)
- {
- int status = gsl_block_raw_fread (stream, h->range, h->n + 1, 1);
-
- if (status)
- return status;
-
- status = gsl_block_raw_fread (stream, h->bin, h->n, 1);
- return status;
- }
-
- int
- gsl_histogram_fwrite (FILE * stream, const gsl_histogram * h)
- {
- int status = gsl_block_raw_fwrite (stream, h->range, h->n + 1, 1);
-
- if (status)
- return status;
-
- status = gsl_block_raw_fwrite (stream, h->bin, h->n, 1);
- return status;
- }
-
- int
- gsl_histogram_fprintf (FILE * stream, const gsl_histogram * h,
- const char *range_format, const char *bin_format)
- {
- size_t i;
- const size_t n = h->n;
-
- for (i = 0; i < n; i++)
- {
- int status = fprintf (stream, range_format, h->range[i]);
-
- if (status < 0)
- {
- GSL_ERROR ("fprintf failed", GSL_EFAILED);
- }
-
- status = putc (' ', stream);
-
- if (status == EOF)
- {
- GSL_ERROR ("putc failed", GSL_EFAILED);
- }
-
- status = fprintf (stream, range_format, h->range[i + 1]);
-
- if (status < 0)
- {
- GSL_ERROR ("fprintf failed", GSL_EFAILED);
- }
-
- status = putc (' ', stream);
-
- if (status == EOF)
- {
- GSL_ERROR ("putc failed", GSL_EFAILED);
- }
-
- status = fprintf (stream, bin_format, h->bin[i]);
-
- if (status < 0)
- {
- GSL_ERROR ("fprintf failed", GSL_EFAILED);
- }
-
- status = putc ('\n', stream);
-
- if (status == EOF)
- {
- GSL_ERROR ("putc failed", GSL_EFAILED);
- }
- }
-
- return GSL_SUCCESS;
- }
-
- int
- gsl_histogram_fscanf (FILE * stream, gsl_histogram * h)
- {
- size_t i;
- const size_t n = h->n;
- double upper;
-
- for (i = 0; i < n; i++)
- {
- int status = fscanf (stream,
- "%lg %lg %lg", h->range + i, &upper,
- h->bin + i);
-
- if (status != 3)
- {
- GSL_ERROR ("fscanf failed", GSL_EFAILED);
- }
- }
-
- h->range[n] = upper;
-
- return GSL_SUCCESS;
- }
-