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- /* interpolation/bsearch.c
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
- *
- * 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.
- */
-
- /* Author: G. Jungman
- */
- #include <config.h>
- #include <stdlib.h>
- #include <gsl/gsl_interp.h>
-
- #ifndef HIDE_INLINE_STATIC
- size_t
- gsl_interp_bsearch (
- const double x_array[], double x,
- size_t index_lo,
- size_t index_hi
- )
- {
- size_t ilo = index_lo;
- size_t ihi = index_hi;
- while (ihi > ilo + 1)
- {
- size_t i = (ihi + ilo) / 2;
- if (x_array[i] > x)
- ihi = i;
- else
- ilo = i;
- }
-
- return ilo;
- }
- #endif
-