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//# WrapperParam.h: Parameter handling for wrapped function objects
//# Copyright (C) 2001,2002,2005
//# 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: casa-feedback@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
#ifndef SCIMATH_WRAPPERPARAM_H
#define SCIMATH_WRAPPERPARAM_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/scimath/Functionals/Function.h>
#include <casacore/casa/Arrays/Vector.h>
#include <casacore/casa/BasicSL/String.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Forward declarations
// <summary> Parameter handling for wrapped function objects
// </summary>
//
// <use visibility=local>
//
// <reviewed reviewer="UNKNOWN" date="before2004/08/25" tests="" demos="">
// </reviewed>
//
// <prerequisite>
// <li> <linkto class="Function">Function</linkto> class
// <li> <linkto class="FunctionWrapper">FunctionWrapper</linkto>
// </prerequisite>
//
// <synopsis>
// This class is provided to enable easy specialization for the actual
// <src>FunctionWrapper</src> class.
// </synopsis>
// <example>
// <srcblock>
// Float func(const Vector<Float>& x) {return x(0)*x(1);} // x*y
// // Convert C++ functions to Function
// FunctionWrapper<Float> Func(func, 2);
// </srcblock>
// <templating arg=T>
// <li> T should have standard numerical operators and exp() function. Current
// implementation only tested for real types (and their AutoDiffs).
// </templating>
// <thrown>
// <li> Assertion in debug mode if attempt is made to set a negative width
// <li> AipsError if incorrect parameter number specified.
// </thrown>
// <todo asof="2001/08/19">
// <li> Nothing I know of
// </todo>
template <class T> class WrapperParam : public Function<T>
{
public:
//# Constructors
// Construct with the given parameters
// <group>
WrapperParam();
explicit WrapperParam(const T &par);
explicit WrapperParam(const Vector<T> &par);
// </group>
// Copy constructor (deep copy)
// <group>
WrapperParam(const WrapperParam<T> &other);
// </group>
// Copy assignment (deep copy)
WrapperParam<T> &operator=(const WrapperParam<T> &other);
// Destructor
virtual ~WrapperParam();
//# Operators
//# Member functions
// Give name of function
virtual const String &name() const { static String x("wrapper");
return x; }
protected:
//# Make members of parent classes known.
using Function<T>::param_p;
};
} //# NAMESPACE CASACORE - END
#ifndef CASACORE_NO_AUTO_TEMPLATES
#include <casacore/scimath/Functionals/WrapperParam.tcc>
#endif //# CASACORE_NO_AUTO_TEMPLATES
#endif
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