You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
227 lines
8.4 KiB
227 lines
8.4 KiB
6 years ago
|
//
|
||
|
|
// Copyright (c) 2002--2010
|
||
|
|
// Toon Knapen, Karl Meerbergen, Kresimir Fresl,
|
||
|
|
// Thomas Klimpel and Rutger ter Borg
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0.
|
||
|
|
// (See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
// THIS FILE IS AUTOMATICALLY GENERATED
|
||
|
|
// PLEASE DO NOT EDIT!
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_HPTRD_HPP
|
||
|
|
#define BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_HPTRD_HPP
|
||
|
|
|
||
|
|
#include <boost/assert.hpp>
|
||
|
|
#include <boost/numeric/bindings/begin.hpp>
|
||
|
|
#include <boost/numeric/bindings/is_complex.hpp>
|
||
|
|
#include <boost/numeric/bindings/is_mutable.hpp>
|
||
|
|
#include <boost/numeric/bindings/is_real.hpp>
|
||
|
|
#include <boost/numeric/bindings/remove_imaginary.hpp>
|
||
|
|
#include <boost/numeric/bindings/size.hpp>
|
||
|
|
#include <boost/numeric/bindings/stride.hpp>
|
||
|
|
#include <boost/numeric/bindings/uplo_tag.hpp>
|
||
|
|
#include <boost/numeric/bindings/value_type.hpp>
|
||
|
|
#include <boost/static_assert.hpp>
|
||
|
|
#include <boost/type_traits/is_same.hpp>
|
||
|
|
#include <boost/type_traits/remove_const.hpp>
|
||
|
|
#include <boost/utility/enable_if.hpp>
|
||
|
|
|
||
|
|
//
|
||
|
|
// The LAPACK-backend for hptrd is the netlib-compatible backend.
|
||
|
|
//
|
||
|
|
#include <boost/numeric/bindings/lapack/detail/lapack.h>
|
||
|
|
#include <boost/numeric/bindings/lapack/detail/lapack_option.hpp>
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace numeric {
|
||
|
|
namespace bindings {
|
||
|
|
namespace lapack {
|
||
|
|
|
||
|
|
//
|
||
|
|
// The detail namespace contains value-type-overloaded functions that
|
||
|
|
// dispatch to the appropriate back-end LAPACK-routine.
|
||
|
|
//
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * float value-type.
|
||
|
|
//
|
||
|
|
template< typename UpLo >
|
||
|
|
inline std::ptrdiff_t hptrd( const UpLo, const fortran_int_t n, float* ap,
|
||
|
|
float* d, float* e, float* tau ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_SSPTRD( &lapack_option< UpLo >::value, &n, ap, d, e, tau, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * double value-type.
|
||
|
|
//
|
||
|
|
template< typename UpLo >
|
||
|
|
inline std::ptrdiff_t hptrd( const UpLo, const fortran_int_t n, double* ap,
|
||
|
|
double* d, double* e, double* tau ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_DSPTRD( &lapack_option< UpLo >::value, &n, ap, d, e, tau, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * complex<float> value-type.
|
||
|
|
//
|
||
|
|
template< typename UpLo >
|
||
|
|
inline std::ptrdiff_t hptrd( const UpLo, const fortran_int_t n,
|
||
|
|
std::complex<float>* ap, float* d, float* e,
|
||
|
|
std::complex<float>* tau ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_CHPTRD( &lapack_option< UpLo >::value, &n, ap, d, e, tau, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * complex<double> value-type.
|
||
|
|
//
|
||
|
|
template< typename UpLo >
|
||
|
|
inline std::ptrdiff_t hptrd( const UpLo, const fortran_int_t n,
|
||
|
|
std::complex<double>* ap, double* d, double* e,
|
||
|
|
std::complex<double>* tau ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_ZHPTRD( &lapack_option< UpLo >::value, &n, ap, d, e, tau, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
|
||
|
|
//
|
||
|
|
// Value-type based template class. Use this class if you need a type
|
||
|
|
// for dispatching to hptrd.
|
||
|
|
//
|
||
|
|
template< typename Value, typename Enable = void >
|
||
|
|
struct hptrd_impl {};
|
||
|
|
|
||
|
|
//
|
||
|
|
// This implementation is enabled if Value is a real type.
|
||
|
|
//
|
||
|
|
template< typename Value >
|
||
|
|
struct hptrd_impl< Value, typename boost::enable_if< is_real< Value > >::type > {
|
||
|
|
|
||
|
|
typedef Value value_type;
|
||
|
|
typedef typename remove_imaginary< Value >::type real_type;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Static member function, that
|
||
|
|
// * Deduces the required arguments for dispatching to LAPACK, and
|
||
|
|
// * Asserts that most arguments make sense.
|
||
|
|
//
|
||
|
|
template< typename MatrixAP, typename VectorD, typename VectorE,
|
||
|
|
typename VectorTAU >
|
||
|
|
static std::ptrdiff_t invoke( MatrixAP& ap, VectorD& d, VectorE& e,
|
||
|
|
VectorTAU& tau ) {
|
||
|
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
|
typedef typename result_of::uplo_tag< MatrixAP >::type uplo;
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< MatrixAP >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorD >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< MatrixAP >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorE >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< MatrixAP >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorTAU >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixAP >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorD >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorE >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorTAU >::value) );
|
||
|
|
BOOST_ASSERT( bindings::size(d) >= bindings::size_column(ap) );
|
||
|
|
BOOST_ASSERT( bindings::size(tau) >= bindings::size_column(ap)-1 );
|
||
|
|
BOOST_ASSERT( bindings::size_column(ap) >= 0 );
|
||
|
|
return detail::hptrd( uplo(), bindings::size_column(ap),
|
||
|
|
bindings::begin_value(ap), bindings::begin_value(d),
|
||
|
|
bindings::begin_value(e), bindings::begin_value(tau) );
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
//
|
||
|
|
// This implementation is enabled if Value is a complex type.
|
||
|
|
//
|
||
|
|
template< typename Value >
|
||
|
|
struct hptrd_impl< Value, typename boost::enable_if< is_complex< Value > >::type > {
|
||
|
|
|
||
|
|
typedef Value value_type;
|
||
|
|
typedef typename remove_imaginary< Value >::type real_type;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Static member function, that
|
||
|
|
// * Deduces the required arguments for dispatching to LAPACK, and
|
||
|
|
// * Asserts that most arguments make sense.
|
||
|
|
//
|
||
|
|
template< typename MatrixAP, typename VectorD, typename VectorE,
|
||
|
|
typename VectorTAU >
|
||
|
|
static std::ptrdiff_t invoke( MatrixAP& ap, VectorD& d, VectorE& e,
|
||
|
|
VectorTAU& tau ) {
|
||
|
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
|
typedef typename result_of::uplo_tag< MatrixAP >::type uplo;
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< VectorD >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorE >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< MatrixAP >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorTAU >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixAP >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorD >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorE >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorTAU >::value) );
|
||
|
|
BOOST_ASSERT( bindings::size(d) >= bindings::size_column(ap) );
|
||
|
|
BOOST_ASSERT( bindings::size(tau) >= bindings::size_column(ap)-1 );
|
||
|
|
BOOST_ASSERT( bindings::size_column(ap) >= 0 );
|
||
|
|
return detail::hptrd( uplo(), bindings::size_column(ap),
|
||
|
|
bindings::begin_value(ap), bindings::begin_value(d),
|
||
|
|
bindings::begin_value(e), bindings::begin_value(tau) );
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Functions for direct use. These functions are overloaded for temporaries,
|
||
|
|
// so that wrapped types can still be passed and used for write-access. In
|
||
|
|
// addition, if applicable, they are overloaded for user-defined workspaces.
|
||
|
|
// Calls to these functions are passed to the hptrd_impl classes. In the
|
||
|
|
// documentation, most overloads are collapsed to avoid a large number of
|
||
|
|
// prototypes which are very similar.
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for hptrd. Its overload differs for
|
||
|
|
//
|
||
|
|
template< typename MatrixAP, typename VectorD, typename VectorE,
|
||
|
|
typename VectorTAU >
|
||
|
|
inline std::ptrdiff_t hptrd( MatrixAP& ap, VectorD& d, VectorE& e,
|
||
|
|
VectorTAU& tau ) {
|
||
|
|
return hptrd_impl< typename bindings::value_type<
|
||
|
|
MatrixAP >::type >::invoke( ap, d, e, tau );
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace lapack
|
||
|
|
} // namespace bindings
|
||
|
|
} // namespace numeric
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif
|