/usr/include/casacore/scimath/Functionals/Gaussian1D2.tcc is in casacore-dev 2.2.0-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | //# Gaussian1D2.cc: One dimensional Gaussian class specialized for AutoDiff
//# Copyright (C) 2001,2002
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library 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 Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#ifndef SCIMATH_GAUSSIAN1D2_TCC
#define SCIMATH_GAUSSIAN1D2_TCC
//# Includes
#include <casacore/scimath/Functionals/Gaussian1D.h>
#include <casacore/casa/BasicMath/Math.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Constructors
//# Operators
template<class T>
AutoDiff<T> Gaussian1D<AutoDiff<T> >::
eval(typename Function<AutoDiff<T> >::FunctionArg x) const {
AutoDiff<T> tmp;
if (this->param_p[this->HEIGHT].nDerivatives() > 0) tmp = this->param_p[this->HEIGHT];
else if (this->param_p[this->CENTER].nDerivatives() > 0) tmp = this->param_p[this->CENTER];
else if (this->param_p[this->WIDTH].nDerivatives() > 0) tmp = this->param_p[this->WIDTH];
T x_norm = (x[0] - this->param_p[this->CENTER].value())/
this->param_p[this->WIDTH].value()/this->fwhm2int.value();
T exponential = exp(-(x_norm*x_norm));
// function value
tmp.value() = this->param_p[this->HEIGHT].value() * exponential;
// get derivatives (assuming either all or none)
if (tmp.nDerivatives()>0) {
for (uInt j=0; j<tmp.nDerivatives(); j++) tmp.deriv(j) = 0.0;
// derivative wrt height
T dev = exponential;
if (this->param_p.mask(this->HEIGHT)) tmp.deriv(this->HEIGHT) = dev;
// derivative wrt center
dev *= this->param_p[this->HEIGHT].value()*x_norm*T(2.0)/this->param_p[this->WIDTH].value()/
this->fwhm2int.value();
if (this->param_p.mask(this->CENTER)) tmp.deriv(this->CENTER) = dev;
// derivative wrt width
if (this->param_p.mask(this->WIDTH)) tmp.deriv(this->WIDTH) = dev*
x_norm*this->fwhm2int.value();
}
return tmp;
}
//# Member functions
} //# NAMESPACE CASACORE - END
#endif
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