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- /* histogram/get2d.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 "gsl_errno.h"
- #include "gsl_histogram2d.h"
- #include "gsl_histogram__find.c"
- double
- gsl_histogram2d_get (const gsl_histogram2d * h, const size_t i, const size_t j)
- {
- const size_t nx = h->nx;
- const size_t ny = h->ny;
- if (i >= nx)
- {
- GSL_ERROR_VAL ("index i lies outside valid range of 0 .. nx - 1",
- GSL_EDOM, 0);
- }
- if (j >= ny)
- {
- GSL_ERROR_VAL ("index j lies outside valid range of 0 .. ny - 1",
- GSL_EDOM, 0);
- }
- return h->bin[i * ny + j];
- }
- int
- gsl_histogram2d_get_xrange (const gsl_histogram2d * h, const size_t i,
- double *xlower, double *xupper)
- {
- const size_t nx = h->nx;
- if (i >= nx)
- {
- GSL_ERROR ("index i lies outside valid range of 0 .. nx - 1", GSL_EDOM);
- }
- *xlower = h->xrange[i];
- *xupper = h->xrange[i + 1];
- return GSL_SUCCESS;
- }
- int
- gsl_histogram2d_get_yrange (const gsl_histogram2d * h, const size_t j,
- double *ylower, double *yupper)
- {
- const size_t ny = h->ny;
- if (j >= ny)
- {
- GSL_ERROR ("index j lies outside valid range of 0 .. ny - 1", GSL_EDOM);
- }
- *ylower = h->yrange[j];
- *yupper = h->yrange[j + 1];
- return GSL_SUCCESS;
- }
- int
- gsl_histogram2d_find (const gsl_histogram2d * h,
- const double x, const double y,
- size_t * i, size_t * j)
- {
- int status = find (h->nx, h->xrange, x, i);
- if (status)
- {
- GSL_ERROR ("x not found in range of h", GSL_EDOM);
- }
- status = find (h->ny, h->yrange, y, j);
- if (status)
- {
- GSL_ERROR ("y not found in range of h", GSL_EDOM);
- }
- return GSL_SUCCESS;
- }
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