6816ecb3ea
builds with no messages at all (and no performance impact) by using the -DFG_NDEBUG flag.
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
//
|
|
// interpolater.hxx -- routines to handle linear interpolation from a table of
|
|
// x,y The table must be sorted by "x" in ascending order
|
|
//
|
|
// Written by Curtis Olson, started April 1998.
|
|
//
|
|
// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
|
|
//
|
|
// 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.
|
|
//
|
|
// $Id$
|
|
// (Log is kept at end of this file)
|
|
|
|
|
|
#ifndef _INTERPOLATER_H
|
|
#define _INTERPOLATER_H
|
|
|
|
|
|
#ifndef __cplusplus
|
|
# error This library requires C++
|
|
#endif
|
|
|
|
|
|
#include <string>
|
|
|
|
|
|
#define MAX_TABLE_SIZE 32
|
|
|
|
|
|
class fgINTERPTABLE {
|
|
int size;
|
|
double table[MAX_TABLE_SIZE][2];
|
|
|
|
public:
|
|
|
|
// Constructor -- loads the interpolation table from the specified
|
|
// file
|
|
fgINTERPTABLE( const string& file );
|
|
|
|
// Given an x value, linearly interpolate the y value from the table
|
|
double interpolate(double x);
|
|
|
|
// Destructor
|
|
~fgINTERPTABLE( void );
|
|
};
|
|
|
|
|
|
#endif // _INTERPOLATER_H
|
|
|
|
|
|
// $Log$
|
|
// Revision 1.3 1998/11/06 21:17:28 curt
|
|
// Converted to new logstream debugging facility. This allows release
|
|
// builds with no messages at all (and no performance impact) by using
|
|
// the -DFG_NDEBUG flag.
|
|
//
|
|
// Revision 1.2 1998/04/22 13:18:10 curt
|
|
// C++ - ified comments. Make file open errors fatal.
|
|
//
|
|
// Revision 1.1 1998/04/21 19:14:23 curt
|
|
// Modified Files:
|
|
// Makefile.am Makefile.in
|
|
// Added Files:
|
|
// interpolater.cxx interpolater.hxx
|
|
//
|