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/* $Id: naco_physicalmodel.c,v 1.8 2006-11-15 08:25:03 llundin Exp $
*
* This file is part of the NACO Pipeline
* Copyright (C) 2002,2003 European Southern Observatory
*
* 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 St, Fifth Floor, Boston, MA 02111-1307 USA
*/
/*
* $Author: llundin $
* $Date: 2006-11-15 08:25:03 $
* $Revision: 1.8 $
* $Name: not supported by cvs2svn $
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*-----------------------------------------------------------------------------
Includes
-----------------------------------------------------------------------------*/
#include <cpl.h>
#include <math.h>
#include <float.h>
#include "naco_utils.h"
#include "naco_physicalmodel.h"
#include "naco_pfits.h"
/*----------------------------------------------------------------------------*/
/**
* @defgroup naco_physicalmodel Physical model of NACO
*/
/*----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------
Function codes
-----------------------------------------------------------------------------*/
/**@{*/
/*----------------------------------------------------------------------------*/
/**
@brief Estimate the instrument wavelength range.
@param filename input file name
@param poly_deg polynomial degree
@return 1 newly allocated array of poly_deg+1 polynomical coefficients
From a physical model of the instrument, find out the wavelength range
associated to a given instrument configuration. The returned coefficients
are such as wave = c[0] + c[1] * pix + ... + c[poly_deg] * pix^poly_deg
Instrument configuration informations are fetched from the FITS header.
*/
/*----------------------------------------------------------------------------*/
double * naco_get_disprel_estimate(
const char * filename,
int poly_deg)
{
double * coefs;
cpl_ensure(filename != NULL, CPL_ERROR_NULL_INPUT, NULL);
cpl_ensure(poly_deg >= 1, CPL_ERROR_ILLEGAL_INPUT, NULL);
coefs = cpl_calloc((size_t)poly_deg+1, sizeof(double));
coefs[1] = 1.0;
return coefs;
}
/**@}*/
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