/usr/include/casacore/scimath/Functionals/Polynomial.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 | //# Polynomial.cc: A one dimensional polynomial class
//# Copyright (C) 1994,1995,1996,1998,2001,2002
//# 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
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//# $Id$
#ifndef SCIMATH_POLYNOMIAL_TCC
#define SCIMATH_POLYNOMIAL_TCC
//# Includes
#include <casacore/scimath/Functionals/Polynomial.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Constructors
//# Operators
template<class T>
T Polynomial<T>::eval(typename Function1D<T>::FunctionArg x) const {
Int j = nparameters();
T accum = param_p[--j];
while (--j >= 0) {
accum *= x[0];
accum += param_p[j];
}
return accum;
}
template<class T>
Polynomial<T> Polynomial<T>::derivative() const {
Int ord = order() - 1;
if (ord < 0) return Polynomial<T>(0);
Polynomial<T> result(ord);
for (uInt i=1; i <= order(); ++i) result[i-1] = T(i)*(*this)[i];
return result;
}
//# Member functions
} //# NAMESPACE CASACORE - END
#endif
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