1 /**************************************************************************
2 * interpolater.hxx -- routines to handle linear interpolation from a table of
3 * x,y The table must be sorted by "x" in ascending order
5 * Written by Curtis Olson, started April 1998.
7 * Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 * (Log is kept at end of this file)
25 **************************************************************************/
28 #ifndef _INTERPOLATER_H
29 #define _INTERPOLATER_H
33 # error This library requires C++
37 #define MAX_TABLE_SIZE 32
42 double table[MAX_TABLE_SIZE][2];
46 // Constructor -- loads the interpolation table from the specified
48 fgINTERPTABLE( char *file );
50 // Given an x value, linearly interpolate the y value from the table
51 double interpolate(double x);
54 ~fgINTERPTABLE( void );
58 #endif /* _INTERPOLATER_H */
62 /* Revision 1.1 1998/04/21 19:14:23 curt
64 /* Makefile.am Makefile.in
66 /* interpolater.cxx interpolater.hxx