/usr/include/trilinos/Amesos2_KLU2_TypeMap.hpp is in libtrilinos-amesos2-dev 12.12.1-5.
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//
// ***********************************************************************
//
// Amesos2: Templated Direct Sparse Solver Package
// Copyright 2011 Sandia Corporation
//
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//
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
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// @HEADER
/**
\file Amesos2_KLU2_TypeMap.hpp
\author Siva Rajamanickam <srajama@sandia.gov>
\brief Provides definition of KLU2 types as well as conversions and type
traits.
*/
#ifndef AMESOS2_KLU2_TYPEMAP_HPP
#define AMESOS2_KLU2_TYPEMAP_HPP
#include <functional>
#ifdef HAVE_TEUCHOS_COMPLEX
#include <complex>
#endif
#include <Teuchos_as.hpp>
#ifdef HAVE_TEUCHOS_COMPLEX
#include <Teuchos_SerializationTraits.hpp>
#endif
#include "Amesos2_TypeMap.hpp"
/* The KLU2 comples headers file only need to be included if
complex has been enabled in Teuchos. In addition we only need to
define the conversion and printing functions if complex has been
enabled. */
// TODO
namespace KLU2 {
typedef int int_t;
#include "klu2_ext.hpp" // for Dtype_t declaration
} // end namespace KLU
#ifdef HAVE_TEUCHOS_COMPLEX
/* ==================== Conversion ==================== */
namespace Teuchos {
/**
* \defgroup slu_conversion Conversion definitions for SLU types.
*
* Define specializations of Teuchos::as<> for the SLU types.
*
* These specializations are meant to work with any complex data type that
* implements the same interface as the STL complex type.
*
* @{
*/
template <>
class ValueTypeConversionTraits<std::complex<double>, std::complex<float> >
{
public:
static std::complex<double> convert( const std::complex<float> t )
{
std::complex<double> ret(Teuchos::as<double>(t.real()),
Teuchos::as<double>(t.imag()));
return( ret );
}
static std::complex<double> safeConvert( const std::complex<float> t )
{
std::complex<double> ret(Teuchos::as<double>(t.real()),
Teuchos::as<double>(t.imag()));
return( ret );
}
};
// Also convert from KLU2 types
template <>
class ValueTypeConversionTraits<std::complex<float> , std::complex<double> >
{
public:
static std::complex<float> convert( const std::complex<double> t )
{
float ret_r = Teuchos::as<float>( t.real() );
float ret_i = Teuchos::as<float>( t.imag() );
std::complex<float> ret (ret_r, ret_i);
return (ret);
}
// No special checks for safe Convert
static std::complex<float> safeConvert( const std::complex<double> t )
{
float ret_r = Teuchos::as<float>( t.real() );
float ret_i = Teuchos::as<float>( t.imag() );
std::complex<float> ret (ret_r, ret_i);
return (ret);
}
};
//@} End Conversion group
} // end namespace Teuchos
#endif // HAVE_TEUCHOS_COMPLEX
namespace Amesos2 {
template <class, class> class KLU2;
/* Specialize the Amesos2::TypeMap struct for KLU2 types
* TODO: Mostly dummy assignments as KLU2 is templated. Remove if possible.
*
* \cond KLU2_type_specializations
*/
template <>
struct TypeMap<KLU2,float>
{
static float dtype;
typedef float type;
typedef float magnitude_type;
};
template <>
struct TypeMap<KLU2,double>
{
static double dtype;
typedef double type;
typedef double magnitude_type;
};
#ifdef HAVE_TEUCHOS_COMPLEX
template <>
struct TypeMap<KLU2,std::complex<float> >
{
static std::complex<double> dtype;
typedef std::complex<double> type;
typedef double magnitude_type;
};
template <>
struct TypeMap<KLU2,std::complex<double> >
{
static std::complex<double> dtype;
typedef std::complex<double> type;
typedef double magnitude_type;
};
#endif // HAVE_TEUCHOS_COMPLEX
/* \endcond KLU2_type_specializations */
} // end namespace Amesos2
#endif // AMESOS2_SUPERLU_TYPEMAP_HPP
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