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Timed-Altarica-To-Fiacre-Tr…/sdk/boost/numeric/bindings/lapack/driver/geesx.hpp
Pierre Gaufillet 18eb3f6047 Initial commit.
2018-12-06 16:01:56 +01:00

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//
// 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_DRIVER_GEESX_HPP
#define BOOST_NUMERIC_BINDINGS_LAPACK_DRIVER_GEESX_HPP
#include <boost/assert.hpp>
#include <boost/numeric/bindings/begin.hpp>
#include <boost/numeric/bindings/detail/array.hpp>
#include <boost/numeric/bindings/is_column_major.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/lapack/workspace.hpp>
#include <boost/numeric/bindings/remove_imaginary.hpp>
#include <boost/numeric/bindings/size.hpp>
#include <boost/numeric/bindings/stride.hpp>
#include <boost/numeric/bindings/traits/detail/utils.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 geesx 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.
//
inline std::ptrdiff_t geesx( const char jobvs, const char sort,
external_fp select, const char sense, const fortran_int_t n, float* a,
const fortran_int_t lda, fortran_int_t& sdim, float* wr, float* wi,
float* vs, const fortran_int_t ldvs, float& rconde, float& rcondv,
float* work, const fortran_int_t lwork, fortran_int_t* iwork,
const fortran_int_t liwork, fortran_bool_t* bwork ) {
fortran_int_t info(0);
LAPACK_SGEESX( &jobvs, &sort, select, &sense, &n, a, &lda, &sdim, wr, wi,
vs, &ldvs, &rconde, &rcondv, work, &lwork, iwork, &liwork, bwork,
&info );
return info;
}
//
// Overloaded function for dispatching to
// * netlib-compatible LAPACK backend (the default), and
// * double value-type.
//
inline std::ptrdiff_t geesx( const char jobvs, const char sort,
external_fp select, const char sense, const fortran_int_t n,
double* a, const fortran_int_t lda, fortran_int_t& sdim, double* wr,
double* wi, double* vs, const fortran_int_t ldvs, double& rconde,
double& rcondv, double* work, const fortran_int_t lwork,
fortran_int_t* iwork, const fortran_int_t liwork,
fortran_bool_t* bwork ) {
fortran_int_t info(0);
LAPACK_DGEESX( &jobvs, &sort, select, &sense, &n, a, &lda, &sdim, wr, wi,
vs, &ldvs, &rconde, &rcondv, work, &lwork, iwork, &liwork, bwork,
&info );
return info;
}
//
// Overloaded function for dispatching to
// * netlib-compatible LAPACK backend (the default), and
// * complex<float> value-type.
//
inline std::ptrdiff_t geesx( const char jobvs, const char sort,
external_fp select, const char sense, const fortran_int_t n,
std::complex<float>* a, const fortran_int_t lda, fortran_int_t& sdim,
std::complex<float>* w, std::complex<float>* vs,
const fortran_int_t ldvs, float& rconde, float& rcondv,
std::complex<float>* work, const fortran_int_t lwork, float* rwork,
fortran_bool_t* bwork ) {
fortran_int_t info(0);
LAPACK_CGEESX( &jobvs, &sort, select, &sense, &n, a, &lda, &sdim, w, vs,
&ldvs, &rconde, &rcondv, work, &lwork, rwork, bwork, &info );
return info;
}
//
// Overloaded function for dispatching to
// * netlib-compatible LAPACK backend (the default), and
// * complex<double> value-type.
//
inline std::ptrdiff_t geesx( const char jobvs, const char sort,
external_fp select, const char sense, const fortran_int_t n,
std::complex<double>* a, const fortran_int_t lda, fortran_int_t& sdim,
std::complex<double>* w, std::complex<double>* vs,
const fortran_int_t ldvs, double& rconde, double& rcondv,
std::complex<double>* work, const fortran_int_t lwork, double* rwork,
fortran_bool_t* bwork ) {
fortran_int_t info(0);
LAPACK_ZGEESX( &jobvs, &sort, select, &sense, &n, a, &lda, &sdim, w, vs,
&ldvs, &rconde, &rcondv, work, &lwork, rwork, bwork, &info );
return info;
}
} // namespace detail
//
// Value-type based template class. Use this class if you need a type
// for dispatching to geesx.
//
template< typename Value, typename Enable = void >
struct geesx_impl {};
//
// This implementation is enabled if Value is a real type.
//
template< typename Value >
struct geesx_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 for user-defined workspaces, that
// * Deduces the required arguments for dispatching to LAPACK, and
// * Asserts that most arguments make sense.
//
template< typename MatrixA, typename VectorWR, typename VectorWI,
typename MatrixVS, typename WORK, typename IWORK, typename BWORK >
static std::ptrdiff_t invoke( const char jobvs, const char sort,
external_fp select, const char sense, MatrixA& a,
fortran_int_t& sdim, VectorWR& wr, VectorWI& wi, MatrixVS& vs,
real_type& rconde, real_type& rcondv, detail::workspace3< WORK,
IWORK, BWORK > work ) {
namespace bindings = ::boost::numeric::bindings;
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixA >::value) );
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixVS >::value) );
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
typename bindings::value_type< MatrixA >::type >::type,
typename remove_const< typename bindings::value_type<
VectorWR >::type >::type >::value) );
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
typename bindings::value_type< MatrixA >::type >::type,
typename remove_const< typename bindings::value_type<
VectorWI >::type >::type >::value) );
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
typename bindings::value_type< MatrixA >::type >::type,
typename remove_const< typename bindings::value_type<
MatrixVS >::type >::type >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixA >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorWR >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorWI >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixVS >::value) );
BOOST_ASSERT( bindings::size(wi) >= bindings::size_column(a) );
BOOST_ASSERT( bindings::size(work.select(fortran_int_t())) >=
min_size_iwork( bindings::size_column(a), sense ));
BOOST_ASSERT( bindings::size(work.select(fortran_bool_t())) >=
min_size_bwork( bindings::size_column(a), sort ));
BOOST_ASSERT( bindings::size(work.select(real_type())) >=
min_size_work( bindings::size_column(a), sense ));
BOOST_ASSERT( bindings::size(wr) >= bindings::size_column(a) );
BOOST_ASSERT( bindings::size_column(a) >= 0 );
BOOST_ASSERT( bindings::size_minor(a) == 1 ||
bindings::stride_minor(a) == 1 );
BOOST_ASSERT( bindings::size_minor(vs) == 1 ||
bindings::stride_minor(vs) == 1 );
BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1,
bindings::size_column(a)) );
BOOST_ASSERT( jobvs == 'N' || jobvs == 'V' );
BOOST_ASSERT( sense == 'N' || sense == 'E' || sense == 'V' ||
sense == 'B' );
BOOST_ASSERT( sort == 'N' || sort == 'S' );
return detail::geesx( jobvs, sort, select, sense,
bindings::size_column(a), bindings::begin_value(a),
bindings::stride_major(a), sdim, bindings::begin_value(wr),
bindings::begin_value(wi), bindings::begin_value(vs),
bindings::stride_major(vs), rconde, rcondv,
bindings::begin_value(work.select(real_type())),
bindings::size(work.select(real_type())),
bindings::begin_value(work.select(fortran_int_t())),
bindings::size(work.select(fortran_int_t())),
bindings::begin_value(work.select(fortran_bool_t())) );
}
//
// Static member function that
// * Figures out the minimal workspace requirements, and passes
// the results to the user-defined workspace overload of the
// invoke static member function
// * Enables the unblocked algorithm (BLAS level 2)
//
template< typename MatrixA, typename VectorWR, typename VectorWI,
typename MatrixVS >
static std::ptrdiff_t invoke( const char jobvs, const char sort,
external_fp select, const char sense, MatrixA& a,
fortran_int_t& sdim, VectorWR& wr, VectorWI& wi, MatrixVS& vs,
real_type& rconde, real_type& rcondv, minimal_workspace ) {
namespace bindings = ::boost::numeric::bindings;
bindings::detail::array< real_type > tmp_work( min_size_work(
bindings::size_column(a), sense ) );
bindings::detail::array< fortran_int_t > tmp_iwork(
min_size_iwork( bindings::size_column(a), sense ) );
bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork(
bindings::size_column(a), sort ) );
return invoke( jobvs, sort, select, sense, a, sdim, wr, wi, vs,
rconde, rcondv, workspace( tmp_work, tmp_iwork, tmp_bwork ) );
}
//
// Static member function that
// * Figures out the optimal workspace requirements, and passes
// the results to the user-defined workspace overload of the
// invoke static member
// * Enables the blocked algorithm (BLAS level 3)
//
template< typename MatrixA, typename VectorWR, typename VectorWI,
typename MatrixVS >
static std::ptrdiff_t invoke( const char jobvs, const char sort,
external_fp select, const char sense, MatrixA& a,
fortran_int_t& sdim, VectorWR& wr, VectorWI& wi, MatrixVS& vs,
real_type& rconde, real_type& rcondv, optimal_workspace ) {
namespace bindings = ::boost::numeric::bindings;
real_type opt_size_work;
fortran_int_t opt_size_iwork;
bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork(
bindings::size_column(a), sort ) );
detail::geesx( jobvs, sort, select, sense,
bindings::size_column(a), bindings::begin_value(a),
bindings::stride_major(a), sdim, bindings::begin_value(wr),
bindings::begin_value(wi), bindings::begin_value(vs),
bindings::stride_major(vs), rconde, rcondv, &opt_size_work,
-1, &opt_size_iwork, -1, bindings::begin_value(tmp_bwork) );
bindings::detail::array< real_type > tmp_work(
traits::detail::to_int( opt_size_work ) );
bindings::detail::array< fortran_int_t > tmp_iwork(
opt_size_iwork );
return invoke( jobvs, sort, select, sense, a, sdim, wr, wi, vs,
rconde, rcondv, workspace( tmp_work, tmp_iwork, tmp_bwork ) );
}
//
// Static member function that returns the minimum size of
// workspace-array work.
//
static std::ptrdiff_t min_size_work( const std::ptrdiff_t n,
const char sense ) {
if ( sense == 'N' )
return std::max< std::ptrdiff_t >( 1, 3*n );
else
return std::max< std::ptrdiff_t >( 1, n+n*n/2 );
}
//
// Static member function that returns the minimum size of
// workspace-array iwork.
//
static std::ptrdiff_t min_size_iwork( const std::ptrdiff_t n,
const char sense ) {
if ( sense == 'N' || sense == 'E' )
return 1;
else
return std::max< std::ptrdiff_t >( 1, n*n/4 );
}
//
// Static member function that returns the minimum size of
// workspace-array bwork.
//
static std::ptrdiff_t min_size_bwork( const std::ptrdiff_t n,
const char sort ) {
if ( sort == 'N' )
return 0;
else
return n;
}
};
//
// This implementation is enabled if Value is a complex type.
//
template< typename Value >
struct geesx_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 for user-defined workspaces, that
// * Deduces the required arguments for dispatching to LAPACK, and
// * Asserts that most arguments make sense.
//
template< typename MatrixA, typename VectorW, typename MatrixVS,
typename WORK, typename RWORK, typename BWORK >
static std::ptrdiff_t invoke( const char jobvs, const char sort,
external_fp select, const char sense, MatrixA& a,
fortran_int_t& sdim, VectorW& w, MatrixVS& vs,
real_type& rconde, real_type& rcondv, detail::workspace3< WORK,
RWORK, BWORK > work ) {
namespace bindings = ::boost::numeric::bindings;
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixA >::value) );
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixVS >::value) );
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
typename bindings::value_type< MatrixA >::type >::type,
typename remove_const< typename bindings::value_type<
VectorW >::type >::type >::value) );
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
typename bindings::value_type< MatrixA >::type >::type,
typename remove_const< typename bindings::value_type<
MatrixVS >::type >::type >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixA >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorW >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixVS >::value) );
BOOST_ASSERT( bindings::size(w) >= bindings::size_column(a) );
BOOST_ASSERT( bindings::size(work.select(fortran_bool_t())) >=
min_size_bwork( bindings::size_column(a), sort ));
BOOST_ASSERT( bindings::size(work.select(real_type())) >=
min_size_rwork( bindings::size_column(a) ));
BOOST_ASSERT( bindings::size(work.select(value_type())) >=
min_size_work( bindings::size_column(a), sense ));
BOOST_ASSERT( bindings::size_column(a) >= 0 );
BOOST_ASSERT( bindings::size_minor(a) == 1 ||
bindings::stride_minor(a) == 1 );
BOOST_ASSERT( bindings::size_minor(vs) == 1 ||
bindings::stride_minor(vs) == 1 );
BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1,
bindings::size_column(a)) );
BOOST_ASSERT( jobvs == 'N' || jobvs == 'V' );
BOOST_ASSERT( sense == 'N' || sense == 'E' || sense == 'V' ||
sense == 'B' );
BOOST_ASSERT( sort == 'N' || sort == 'S' );
return detail::geesx( jobvs, sort, select, sense,
bindings::size_column(a), bindings::begin_value(a),
bindings::stride_major(a), sdim, bindings::begin_value(w),
bindings::begin_value(vs), bindings::stride_major(vs), rconde,
rcondv, bindings::begin_value(work.select(value_type())),
bindings::size(work.select(value_type())),
bindings::begin_value(work.select(real_type())),
bindings::begin_value(work.select(fortran_bool_t())) );
}
//
// Static member function that
// * Figures out the minimal workspace requirements, and passes
// the results to the user-defined workspace overload of the
// invoke static member function
// * Enables the unblocked algorithm (BLAS level 2)
//
template< typename MatrixA, typename VectorW, typename MatrixVS >
static std::ptrdiff_t invoke( const char jobvs, const char sort,
external_fp select, const char sense, MatrixA& a,
fortran_int_t& sdim, VectorW& w, MatrixVS& vs,
real_type& rconde, real_type& rcondv, minimal_workspace ) {
namespace bindings = ::boost::numeric::bindings;
bindings::detail::array< value_type > tmp_work( min_size_work(
bindings::size_column(a), sense ) );
bindings::detail::array< real_type > tmp_rwork( min_size_rwork(
bindings::size_column(a) ) );
bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork(
bindings::size_column(a), sort ) );
return invoke( jobvs, sort, select, sense, a, sdim, w, vs, rconde,
rcondv, workspace( tmp_work, tmp_rwork, tmp_bwork ) );
}
//
// Static member function that
// * Figures out the optimal workspace requirements, and passes
// the results to the user-defined workspace overload of the
// invoke static member
// * Enables the blocked algorithm (BLAS level 3)
//
template< typename MatrixA, typename VectorW, typename MatrixVS >
static std::ptrdiff_t invoke( const char jobvs, const char sort,
external_fp select, const char sense, MatrixA& a,
fortran_int_t& sdim, VectorW& w, MatrixVS& vs,
real_type& rconde, real_type& rcondv, optimal_workspace ) {
namespace bindings = ::boost::numeric::bindings;
value_type opt_size_work;
bindings::detail::array< real_type > tmp_rwork( min_size_rwork(
bindings::size_column(a) ) );
bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork(
bindings::size_column(a), sort ) );
detail::geesx( jobvs, sort, select, sense,
bindings::size_column(a), bindings::begin_value(a),
bindings::stride_major(a), sdim, bindings::begin_value(w),
bindings::begin_value(vs), bindings::stride_major(vs), rconde,
rcondv, &opt_size_work, -1, bindings::begin_value(tmp_rwork),
bindings::begin_value(tmp_bwork) );
bindings::detail::array< value_type > tmp_work(
traits::detail::to_int( opt_size_work ) );
return invoke( jobvs, sort, select, sense, a, sdim, w, vs, rconde,
rcondv, workspace( tmp_work, tmp_rwork, tmp_bwork ) );
}
//
// Static member function that returns the minimum size of
// workspace-array work.
//
static std::ptrdiff_t min_size_work( const std::ptrdiff_t n,
const char sense ) {
if ( sense == 'N' )
return std::max< std::ptrdiff_t >( 1, 2*n );
else
return std::max< std::ptrdiff_t >( 1, n*n/2 );
}
//
// Static member function that returns the minimum size of
// workspace-array rwork.
//
static std::ptrdiff_t min_size_rwork( const std::ptrdiff_t n ) {
return n;
}
//
// Static member function that returns the minimum size of
// workspace-array bwork.
//
static std::ptrdiff_t min_size_bwork( const std::ptrdiff_t n,
const char sort ) {
if ( sort == 'N' )
return 0;
else
return n;
}
};
//
// 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 geesx_impl classes. In the
// documentation, most overloads are collapsed to avoid a large number of
// prototypes which are very similar.
//
//
// Overloaded function for geesx. Its overload differs for
// * User-defined workspace
//
template< typename MatrixA, typename VectorWR, typename VectorWI,
typename MatrixVS, typename Workspace >
inline typename boost::enable_if< detail::is_workspace< Workspace >,
std::ptrdiff_t >::type
geesx( const char jobvs, const char sort, external_fp select,
const char sense, MatrixA& a, fortran_int_t& sdim, VectorWR& wr,
VectorWI& wi, MatrixVS& vs, typename remove_imaginary<
typename bindings::value_type< MatrixA >::type >::type& rconde,
typename remove_imaginary< typename bindings::value_type<
MatrixA >::type >::type& rcondv, Workspace work ) {
return geesx_impl< typename bindings::value_type<
MatrixA >::type >::invoke( jobvs, sort, select, sense, a, sdim,
wr, wi, vs, rconde, rcondv, work );
}
//
// Overloaded function for geesx. Its overload differs for
// * Default workspace-type (optimal)
//
template< typename MatrixA, typename VectorWR, typename VectorWI,
typename MatrixVS >
inline typename boost::disable_if< detail::is_workspace< MatrixVS >,
std::ptrdiff_t >::type
geesx( const char jobvs, const char sort, external_fp select,
const char sense, MatrixA& a, fortran_int_t& sdim, VectorWR& wr,
VectorWI& wi, MatrixVS& vs, typename remove_imaginary<
typename bindings::value_type< MatrixA >::type >::type& rconde,
typename remove_imaginary< typename bindings::value_type<
MatrixA >::type >::type& rcondv ) {
return geesx_impl< typename bindings::value_type<
MatrixA >::type >::invoke( jobvs, sort, select, sense, a, sdim,
wr, wi, vs, rconde, rcondv, optimal_workspace() );
}
//
// Overloaded function for geesx. Its overload differs for
// * User-defined workspace
//
template< typename MatrixA, typename VectorW, typename MatrixVS,
typename Workspace >
inline typename boost::enable_if< detail::is_workspace< Workspace >,
std::ptrdiff_t >::type
geesx( const char jobvs, const char sort, external_fp select,
const char sense, MatrixA& a, fortran_int_t& sdim, VectorW& w,
MatrixVS& vs, typename remove_imaginary<
typename bindings::value_type< MatrixA >::type >::type& rconde,
typename remove_imaginary< typename bindings::value_type<
MatrixA >::type >::type& rcondv, Workspace work ) {
return geesx_impl< typename bindings::value_type<
MatrixA >::type >::invoke( jobvs, sort, select, sense, a, sdim, w,
vs, rconde, rcondv, work );
}
//
// Overloaded function for geesx. Its overload differs for
// * Default workspace-type (optimal)
//
template< typename MatrixA, typename VectorW, typename MatrixVS >
inline typename boost::disable_if< detail::is_workspace< MatrixVS >,
std::ptrdiff_t >::type
geesx( const char jobvs, const char sort, external_fp select,
const char sense, MatrixA& a, fortran_int_t& sdim, VectorW& w,
MatrixVS& vs, typename remove_imaginary<
typename bindings::value_type< MatrixA >::type >::type& rconde,
typename remove_imaginary< typename bindings::value_type<
MatrixA >::type >::type& rcondv ) {
return geesx_impl< typename bindings::value_type<
MatrixA >::type >::invoke( jobvs, sort, select, sense, a, sdim, w,
vs, rconde, rcondv, optimal_workspace() );
}
} // namespace lapack
} // namespace bindings
} // namespace numeric
} // namespace boost
#endif
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