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- /* histogram/file2d.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 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.
- */
- #include "gsl__config.h"
- #include <stdio.h>
- #include "gsl_errno.h"
- #include "gsl_block.h"
- #include "gsl_histogram2d.h"
- int
- gsl_histogram2d_fread (FILE * stream, gsl_histogram2d * h)
- {
- int status = gsl_block_raw_fread (stream, h->xrange, h->nx + 1, 1);
- if (status)
- return status;
- status = gsl_block_raw_fread (stream, h->yrange, h->ny + 1, 1);
- if (status)
- return status;
- status = gsl_block_raw_fread (stream, h->bin, h->nx * h->ny, 1);
- return status;
- }
- int
- gsl_histogram2d_fwrite (FILE * stream, const gsl_histogram2d * h)
- {
- int status = gsl_block_raw_fwrite (stream, h->xrange, h->nx + 1, 1);
- if (status)
- return status;
- status = gsl_block_raw_fwrite (stream, h->yrange, h->ny + 1, 1);
- if (status)
- return status;
- status = gsl_block_raw_fwrite (stream, h->bin, h->nx * h->ny, 1);
- return status;
- }
- int
- gsl_histogram2d_fprintf (FILE * stream, const gsl_histogram2d * h,
- const char *range_format, const char *bin_format)
- {
- size_t i, j;
- const size_t nx = h->nx;
- const size_t ny = h->ny;
- int status;
- for (i = 0; i < nx; i++)
- {
- for (j = 0; j < ny; j++)
- {
- status = fprintf (stream, range_format, h->xrange[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->xrange[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, range_format, h->yrange[j]);
- 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->yrange[j + 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 * ny + j]);
- if (status < 0)
- {
- GSL_ERROR ("fprintf failed", GSL_EFAILED);
- }
- status = putc ('\n', stream);
- if (status == EOF)
- {
- GSL_ERROR ("putc failed", GSL_EFAILED);
- }
- }
- status = putc ('\n', stream);
- if (status == EOF)
- {
- GSL_ERROR ("putc failed", GSL_EFAILED);
- }
- }
- return GSL_SUCCESS;
- }
- int
- gsl_histogram2d_fscanf (FILE * stream, gsl_histogram2d * h)
- {
- size_t i, j;
- const size_t nx = h->nx;
- const size_t ny = h->ny;
- double xupper, yupper;
- for (i = 0; i < nx; i++)
- {
- for (j = 0; j < ny; j++)
- {
- int status = fscanf (stream,
- "%lg %lg %lg %lg %lg",
- h->xrange + i, &xupper,
- h->yrange + j, &yupper,
- h->bin + i * ny + j);
- if (status != 5)
- {
- GSL_ERROR ("fscanf failed", GSL_EFAILED);
- }
- }
- h->yrange[ny] = yupper;
- }
- h->xrange[nx] = xupper;
- return GSL_SUCCESS;
- }
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