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.
243 lines
9.4 KiB
243 lines
9.4 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_GGBAK_HPP
|
||
|
|
#define BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_GGBAK_HPP
|
||
|
|
|
||
|
|
#include <boost/assert.hpp>
|
||
|
|
#include <boost/numeric/bindings/begin.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/remove_imaginary.hpp>
|
||
|
|
#include <boost/numeric/bindings/size.hpp>
|
||
|
|
#include <boost/numeric/bindings/stride.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 ggbak 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 Side >
|
||
|
|
inline std::ptrdiff_t ggbak( const char job, const Side, const fortran_int_t n,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi, const float* lscale,
|
||
|
|
const float* rscale, const fortran_int_t m, float* v,
|
||
|
|
const fortran_int_t ldv ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_SGGBAK( &job, &lapack_option< Side >::value, &n, &ilo, &ihi,
|
||
|
|
lscale, rscale, &m, v, &ldv, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * double value-type.
|
||
|
|
//
|
||
|
|
template< typename Side >
|
||
|
|
inline std::ptrdiff_t ggbak( const char job, const Side, const fortran_int_t n,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi,
|
||
|
|
const double* lscale, const double* rscale, const fortran_int_t m,
|
||
|
|
double* v, const fortran_int_t ldv ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_DGGBAK( &job, &lapack_option< Side >::value, &n, &ilo, &ihi,
|
||
|
|
lscale, rscale, &m, v, &ldv, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * complex<float> value-type.
|
||
|
|
//
|
||
|
|
template< typename Side >
|
||
|
|
inline std::ptrdiff_t ggbak( const char job, const Side, const fortran_int_t n,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi, const float* lscale,
|
||
|
|
const float* rscale, const fortran_int_t m, std::complex<float>* v,
|
||
|
|
const fortran_int_t ldv ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_CGGBAK( &job, &lapack_option< Side >::value, &n, &ilo, &ihi,
|
||
|
|
lscale, rscale, &m, v, &ldv, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for dispatching to
|
||
|
|
// * netlib-compatible LAPACK backend (the default), and
|
||
|
|
// * complex<double> value-type.
|
||
|
|
//
|
||
|
|
template< typename Side >
|
||
|
|
inline std::ptrdiff_t ggbak( const char job, const Side, const fortran_int_t n,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi,
|
||
|
|
const double* lscale, const double* rscale, const fortran_int_t m,
|
||
|
|
std::complex<double>* v, const fortran_int_t ldv ) {
|
||
|
|
fortran_int_t info(0);
|
||
|
|
LAPACK_ZGGBAK( &job, &lapack_option< Side >::value, &n, &ilo, &ihi,
|
||
|
|
lscale, rscale, &m, v, &ldv, &info );
|
||
|
|
return info;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
|
||
|
|
//
|
||
|
|
// Value-type based template class. Use this class if you need a type
|
||
|
|
// for dispatching to ggbak.
|
||
|
|
//
|
||
|
|
template< typename Value, typename Enable = void >
|
||
|
|
struct ggbak_impl {};
|
||
|
|
|
||
|
|
//
|
||
|
|
// This implementation is enabled if Value is a real type.
|
||
|
|
//
|
||
|
|
template< typename Value >
|
||
|
|
struct ggbak_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 Side, typename VectorLSCALE, typename VectorRSCALE,
|
||
|
|
typename MatrixV >
|
||
|
|
static std::ptrdiff_t invoke( const char job, const Side side,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi,
|
||
|
|
const VectorLSCALE& lscale, const VectorRSCALE& rscale,
|
||
|
|
MatrixV& v ) {
|
||
|
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixV >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< VectorLSCALE >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorRSCALE >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< VectorLSCALE >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
MatrixV >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixV >::value) );
|
||
|
|
BOOST_ASSERT( bindings::size(lscale) >= bindings::size_row(v) );
|
||
|
|
BOOST_ASSERT( bindings::size(rscale) >= bindings::size_row(v) );
|
||
|
|
BOOST_ASSERT( bindings::size_column(v) >= 0 );
|
||
|
|
BOOST_ASSERT( bindings::size_minor(v) == 1 ||
|
||
|
|
bindings::stride_minor(v) == 1 );
|
||
|
|
BOOST_ASSERT( bindings::size_row(v) >= 0 );
|
||
|
|
BOOST_ASSERT( bindings::stride_major(v) >= std::max< std::ptrdiff_t >(1,
|
||
|
|
bindings::size_row(v)) );
|
||
|
|
BOOST_ASSERT( job == 'N' || job == 'P' || job == 'S' || job == 'B' );
|
||
|
|
return detail::ggbak( job, side, bindings::size_row(v), ilo, ihi,
|
||
|
|
bindings::begin_value(lscale), bindings::begin_value(rscale),
|
||
|
|
bindings::size_column(v), bindings::begin_value(v),
|
||
|
|
bindings::stride_major(v) );
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
//
|
||
|
|
// This implementation is enabled if Value is a complex type.
|
||
|
|
//
|
||
|
|
template< typename Value >
|
||
|
|
struct ggbak_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 Side, typename VectorLSCALE, typename VectorRSCALE,
|
||
|
|
typename MatrixV >
|
||
|
|
static std::ptrdiff_t invoke( const char job, const Side side,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi,
|
||
|
|
const VectorLSCALE& lscale, const VectorRSCALE& rscale,
|
||
|
|
MatrixV& v ) {
|
||
|
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixV >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
|
typename bindings::value_type< VectorLSCALE >::type >::type,
|
||
|
|
typename remove_const< typename bindings::value_type<
|
||
|
|
VectorRSCALE >::type >::type >::value) );
|
||
|
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixV >::value) );
|
||
|
|
BOOST_ASSERT( bindings::size(lscale) >= bindings::size_row(v) );
|
||
|
|
BOOST_ASSERT( bindings::size(rscale) >= bindings::size_row(v) );
|
||
|
|
BOOST_ASSERT( bindings::size_column(v) >= 0 );
|
||
|
|
BOOST_ASSERT( bindings::size_minor(v) == 1 ||
|
||
|
|
bindings::stride_minor(v) == 1 );
|
||
|
|
BOOST_ASSERT( bindings::size_row(v) >= 0 );
|
||
|
|
BOOST_ASSERT( bindings::stride_major(v) >= std::max< std::ptrdiff_t >(1,
|
||
|
|
bindings::size_row(v)) );
|
||
|
|
BOOST_ASSERT( job == 'N' || job == 'P' || job == 'S' || job == 'B' );
|
||
|
|
return detail::ggbak( job, side, bindings::size_row(v), ilo, ihi,
|
||
|
|
bindings::begin_value(lscale), bindings::begin_value(rscale),
|
||
|
|
bindings::size_column(v), bindings::begin_value(v),
|
||
|
|
bindings::stride_major(v) );
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// 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 ggbak_impl classes. In the
|
||
|
|
// documentation, most overloads are collapsed to avoid a large number of
|
||
|
|
// prototypes which are very similar.
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overloaded function for ggbak. Its overload differs for
|
||
|
|
//
|
||
|
|
template< typename Side, typename VectorLSCALE, typename VectorRSCALE,
|
||
|
|
typename MatrixV >
|
||
|
|
inline std::ptrdiff_t ggbak( const char job, const Side side,
|
||
|
|
const fortran_int_t ilo, const fortran_int_t ihi,
|
||
|
|
const VectorLSCALE& lscale, const VectorRSCALE& rscale, MatrixV& v ) {
|
||
|
|
return ggbak_impl< typename bindings::value_type<
|
||
|
|
MatrixV >::type >::invoke( job, side, ilo, ihi, lscale, rscale,
|
||
|
|
v );
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace lapack
|
||
|
|
} // namespace bindings
|
||
|
|
} // namespace numeric
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif
|