69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
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/**************************************************************************
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* interpolater.hxx -- routines to handle linear interpolation from a table of
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* x,y The table must be sorted by "x" in ascending order
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*
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* Written by Curtis Olson, started April 1998.
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*
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* Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#ifndef _INTERPOLATER_H
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#define _INTERPOLATER_H
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#define MAX_TABLE_SIZE 32
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class fgINTERPTABLE {
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int size;
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double table[MAX_TABLE_SIZE][2];
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public:
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// Constructor -- loads the interpolation table from the specified
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// file
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fgINTERPTABLE( char *file );
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// Given an x value, linearly interpolate the y value from the table
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double interpolate(double x);
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// Destructor
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~fgINTERPTABLE( void );
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};
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#endif /* _INTERPOLATER_H */
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/* $Log$
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/* Revision 1.1 1998/04/21 19:14:23 curt
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/* Modified Files:
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/* Makefile.am Makefile.in
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/* Added Files:
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/* interpolater.cxx interpolater.hxx
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/*
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*/
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