/usr/include/casacore/casa/BasicMath/ConvertScalar.h is in casacore-dev 2.2.0-2.
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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 | //# ConvertScalar.h: Templated functions to convert scalars
//# Copyright (C) 2000,2002
//# 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 CASA_CONVERTSCALAR_H
#define CASA_CONVERTSCALAR_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/casa/BasicSL/Complex.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// Templated functions to convert scalars from one type to another.
// </summary>
// <reviewed reviewer="UNKNOWN" date="before2004/08/25" tests="" demos="">
// </reviewed>
// <synopsis>
// Templated functions to convert scalars from one type to another.
// They are useful to be able to convert a DComplex to a Complex
// in templated classes.
// A Complex,DComplex specialisation is necessary because the complex
// class in the standard C++ library does not have such an automatic
// conversion.
// </synopsis>
// <group name="Scalar conversion">
template<class T, class F> inline void convertScalar (T& out, F in)
{ out = static_cast<T>(in); }
inline void convertScalar (Complex& out, DComplex in)
{ out = Complex(in.real(), in.imag()); }
// </group>
} //# NAMESPACE CASACORE - END
#endif
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