| /* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 |
