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549 lines
26 KiB
549 lines
26 KiB
6 years ago
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//
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// Copyright (c) 2002--2010
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// Toon Knapen, Karl Meerbergen, Kresimir Fresl,
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// Thomas Klimpel and Rutger ter Borg
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// THIS FILE IS AUTOMATICALLY GENERATED
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// PLEASE DO NOT EDIT!
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//
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#ifndef BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_TGSYL_HPP
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#define BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_TGSYL_HPP
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#include <boost/assert.hpp>
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#include <boost/numeric/bindings/begin.hpp>
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#include <boost/numeric/bindings/data_order.hpp>
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#include <boost/numeric/bindings/detail/array.hpp>
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#include <boost/numeric/bindings/is_column_major.hpp>
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#include <boost/numeric/bindings/is_complex.hpp>
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#include <boost/numeric/bindings/is_mutable.hpp>
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#include <boost/numeric/bindings/is_real.hpp>
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#include <boost/numeric/bindings/lapack/workspace.hpp>
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#include <boost/numeric/bindings/remove_imaginary.hpp>
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#include <boost/numeric/bindings/size.hpp>
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#include <boost/numeric/bindings/stride.hpp>
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#include <boost/numeric/bindings/traits/detail/utils.hpp>
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#include <boost/numeric/bindings/trans_tag.hpp>
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#include <boost/numeric/bindings/value_type.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/remove_const.hpp>
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#include <boost/utility/enable_if.hpp>
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//
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// The LAPACK-backend for tgsyl is the netlib-compatible backend.
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//
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#include <boost/numeric/bindings/lapack/detail/lapack.h>
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#include <boost/numeric/bindings/lapack/detail/lapack_option.hpp>
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namespace boost {
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namespace numeric {
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namespace bindings {
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namespace lapack {
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//
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// The detail namespace contains value-type-overloaded functions that
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// dispatch to the appropriate back-end LAPACK-routine.
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//
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namespace detail {
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * float value-type.
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//
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template< typename Trans >
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inline std::ptrdiff_t tgsyl( const Trans, const fortran_int_t ijob,
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const fortran_int_t m, const fortran_int_t n, const float* a,
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const fortran_int_t lda, const float* b, const fortran_int_t ldb,
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float* c, const fortran_int_t ldc, const float* d,
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const fortran_int_t ldd, const float* e, const fortran_int_t lde,
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float* f, const fortran_int_t ldf, float& scale, float& dif,
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float* work, const fortran_int_t lwork, fortran_int_t* iwork ) {
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fortran_int_t info(0);
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LAPACK_STGSYL( &lapack_option< Trans >::value, &ijob, &m, &n, a, &lda, b,
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&ldb, c, &ldc, d, &ldd, e, &lde, f, &ldf, &scale, &dif, work,
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&lwork, iwork, &info );
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return info;
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * double value-type.
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//
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template< typename Trans >
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inline std::ptrdiff_t tgsyl( const Trans, const fortran_int_t ijob,
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const fortran_int_t m, const fortran_int_t n, const double* a,
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const fortran_int_t lda, const double* b, const fortran_int_t ldb,
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double* c, const fortran_int_t ldc, const double* d,
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const fortran_int_t ldd, const double* e, const fortran_int_t lde,
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double* f, const fortran_int_t ldf, double& scale, double& dif,
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double* work, const fortran_int_t lwork, fortran_int_t* iwork ) {
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fortran_int_t info(0);
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LAPACK_DTGSYL( &lapack_option< Trans >::value, &ijob, &m, &n, a, &lda, b,
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&ldb, c, &ldc, d, &ldd, e, &lde, f, &ldf, &scale, &dif, work,
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&lwork, iwork, &info );
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return info;
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * complex<float> value-type.
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//
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template< typename Trans >
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inline std::ptrdiff_t tgsyl( const Trans, const fortran_int_t ijob,
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const fortran_int_t m, const fortran_int_t n,
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const std::complex<float>* a, const fortran_int_t lda,
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const std::complex<float>* b, const fortran_int_t ldb,
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std::complex<float>* c, const fortran_int_t ldc,
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const std::complex<float>* d, const fortran_int_t ldd,
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const std::complex<float>* e, const fortran_int_t lde,
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std::complex<float>* f, const fortran_int_t ldf, float& scale,
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float& dif, std::complex<float>* work, const fortran_int_t lwork,
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fortran_int_t* iwork ) {
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fortran_int_t info(0);
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LAPACK_CTGSYL( &lapack_option< Trans >::value, &ijob, &m, &n, a, &lda, b,
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&ldb, c, &ldc, d, &ldd, e, &lde, f, &ldf, &scale, &dif, work,
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&lwork, iwork, &info );
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return info;
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * complex<double> value-type.
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//
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template< typename Trans >
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inline std::ptrdiff_t tgsyl( const Trans, const fortran_int_t ijob,
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const fortran_int_t m, const fortran_int_t n,
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const std::complex<double>* a, const fortran_int_t lda,
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const std::complex<double>* b, const fortran_int_t ldb,
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std::complex<double>* c, const fortran_int_t ldc,
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const std::complex<double>* d, const fortran_int_t ldd,
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const std::complex<double>* e, const fortran_int_t lde,
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std::complex<double>* f, const fortran_int_t ldf, double& scale,
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double& dif, std::complex<double>* work, const fortran_int_t lwork,
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fortran_int_t* iwork ) {
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fortran_int_t info(0);
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LAPACK_ZTGSYL( &lapack_option< Trans >::value, &ijob, &m, &n, a, &lda, b,
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&ldb, c, &ldc, d, &ldd, e, &lde, f, &ldf, &scale, &dif, work,
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&lwork, iwork, &info );
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return info;
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}
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} // namespace detail
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//
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// Value-type based template class. Use this class if you need a type
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// for dispatching to tgsyl.
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//
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template< typename Value, typename Enable = void >
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struct tgsyl_impl {};
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//
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// This implementation is enabled if Value is a real type.
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//
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template< typename Value >
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struct tgsyl_impl< Value, typename boost::enable_if< is_real< Value > >::type > {
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typedef Value value_type;
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typedef typename remove_imaginary< Value >::type real_type;
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//
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// Static member function for user-defined workspaces, that
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// * Deduces the required arguments for dispatching to LAPACK, and
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// * Asserts that most arguments make sense.
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//
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template< typename MatrixA, typename MatrixB, typename MatrixC,
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typename MatrixD, typename MatrixE, typename MatrixF,
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typename WORK, typename IWORK >
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static std::ptrdiff_t invoke( const fortran_int_t ijob,
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const MatrixA& a, const MatrixB& b, MatrixC& c, const MatrixD& d,
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const MatrixE& e, MatrixF& f, real_type& scale, real_type& dif,
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detail::workspace2< WORK, IWORK > work ) {
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namespace bindings = ::boost::numeric::bindings;
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typedef typename result_of::data_order< MatrixB >::type order;
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typedef typename result_of::trans_tag< MatrixA, order >::type trans;
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixC >::value) );
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixD >::value) );
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixE >::value) );
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixF >::value) );
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
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typename bindings::value_type< MatrixA >::type >::type,
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typename remove_const< typename bindings::value_type<
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MatrixB >::type >::type >::value) );
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
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typename bindings::value_type< MatrixA >::type >::type,
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typename remove_const< typename bindings::value_type<
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MatrixC >::type >::type >::value) );
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
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typename bindings::value_type< MatrixA >::type >::type,
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typename remove_const< typename bindings::value_type<
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MatrixD >::type >::type >::value) );
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
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typename bindings::value_type< MatrixA >::type >::type,
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typename remove_const< typename bindings::value_type<
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MatrixE >::type >::type >::value) );
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
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typename bindings::value_type< MatrixA >::type >::type,
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typename remove_const< typename bindings::value_type<
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MatrixF >::type >::type >::value) );
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixC >::value) );
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixF >::value) );
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BOOST_ASSERT( bindings::size(work.select(fortran_int_t())) >=
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min_size_iwork( bindings::size_column_op(a, trans()),
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bindings::size_column(b) ));
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BOOST_ASSERT( bindings::size(work.select(real_type())) >=
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min_size_work( bindings::size_column_op(a, trans()),
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bindings::size_column(b) ));
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BOOST_ASSERT( bindings::size_minor(a) == 1 ||
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bindings::stride_minor(a) == 1 );
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BOOST_ASSERT( bindings::size_minor(b) == 1 ||
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bindings::stride_minor(b) == 1 );
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BOOST_ASSERT( bindings::size_minor(c) == 1 ||
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bindings::stride_minor(c) == 1 );
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BOOST_ASSERT( bindings::size_minor(d) == 1 ||
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bindings::stride_minor(d) == 1 );
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BOOST_ASSERT( bindings::size_minor(e) == 1 ||
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bindings::stride_minor(e) == 1 );
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BOOST_ASSERT( bindings::size_minor(f) == 1 ||
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bindings::stride_minor(f) == 1 );
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BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column_op(a, trans())) );
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BOOST_ASSERT( bindings::stride_major(b) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column(b)) );
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BOOST_ASSERT( bindings::stride_major(c) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column_op(a, trans())) );
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BOOST_ASSERT( bindings::stride_major(d) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column_op(a, trans())) );
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BOOST_ASSERT( bindings::stride_major(e) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column(b)) );
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BOOST_ASSERT( bindings::stride_major(f) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column_op(a, trans())) );
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return detail::tgsyl( trans(), ijob, bindings::size_column_op(a,
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trans()), bindings::size_column(b), bindings::begin_value(a),
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bindings::stride_major(a), bindings::begin_value(b),
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bindings::stride_major(b), bindings::begin_value(c),
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bindings::stride_major(c), bindings::begin_value(d),
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bindings::stride_major(d), bindings::begin_value(e),
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bindings::stride_major(e), bindings::begin_value(f),
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bindings::stride_major(f), scale, dif,
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bindings::begin_value(work.select(real_type())),
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bindings::size(work.select(real_type())),
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bindings::begin_value(work.select(fortran_int_t())) );
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}
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//
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// Static member function that
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// * Figures out the minimal workspace requirements, and passes
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// the results to the user-defined workspace overload of the
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// invoke static member function
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// * Enables the unblocked algorithm (BLAS level 2)
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//
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template< typename MatrixA, typename MatrixB, typename MatrixC,
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typename MatrixD, typename MatrixE, typename MatrixF >
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static std::ptrdiff_t invoke( const fortran_int_t ijob,
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const MatrixA& a, const MatrixB& b, MatrixC& c, const MatrixD& d,
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const MatrixE& e, MatrixF& f, real_type& scale, real_type& dif,
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minimal_workspace ) {
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namespace bindings = ::boost::numeric::bindings;
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typedef typename result_of::data_order< MatrixB >::type order;
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typedef typename result_of::trans_tag< MatrixA, order >::type trans;
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bindings::detail::array< real_type > tmp_work( min_size_work(
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bindings::size_column_op(a, trans()),
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bindings::size_column(b) ) );
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bindings::detail::array< fortran_int_t > tmp_iwork(
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min_size_iwork( bindings::size_column_op(a, trans()),
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bindings::size_column(b) ) );
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return invoke( ijob, a, b, c, d, e, f, scale, dif,
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workspace( tmp_work, tmp_iwork ) );
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}
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//
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// Static member function that
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// * Figures out the optimal workspace requirements, and passes
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// the results to the user-defined workspace overload of the
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// invoke static member
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// * Enables the blocked algorithm (BLAS level 3)
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//
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template< typename MatrixA, typename MatrixB, typename MatrixC,
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typename MatrixD, typename MatrixE, typename MatrixF >
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static std::ptrdiff_t invoke( const fortran_int_t ijob,
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const MatrixA& a, const MatrixB& b, MatrixC& c, const MatrixD& d,
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const MatrixE& e, MatrixF& f, real_type& scale, real_type& dif,
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optimal_workspace ) {
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namespace bindings = ::boost::numeric::bindings;
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typedef typename result_of::data_order< MatrixB >::type order;
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typedef typename result_of::trans_tag< MatrixA, order >::type trans;
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real_type opt_size_work;
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bindings::detail::array< fortran_int_t > tmp_iwork(
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min_size_iwork( bindings::size_column_op(a, trans()),
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bindings::size_column(b) ) );
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detail::tgsyl( trans(), ijob, bindings::size_column_op(a,
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trans()), bindings::size_column(b), bindings::begin_value(a),
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bindings::stride_major(a), bindings::begin_value(b),
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bindings::stride_major(b), bindings::begin_value(c),
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bindings::stride_major(c), bindings::begin_value(d),
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bindings::stride_major(d), bindings::begin_value(e),
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bindings::stride_major(e), bindings::begin_value(f),
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bindings::stride_major(f), scale, dif, &opt_size_work, -1,
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bindings::begin_value(tmp_iwork) );
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bindings::detail::array< real_type > tmp_work(
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traits::detail::to_int( opt_size_work ) );
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return invoke( ijob, a, b, c, d, e, f, scale, dif,
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workspace( tmp_work, tmp_iwork ) );
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}
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//
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// Static member function that returns the minimum size of
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// workspace-array work.
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//
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static std::ptrdiff_t min_size_work( const std::ptrdiff_t m,
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const std::ptrdiff_t n ) {
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return std::max< std::ptrdiff_t >(1,2*m*n);
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}
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//
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// Static member function that returns the minimum size of
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// workspace-array iwork.
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//
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static std::ptrdiff_t min_size_iwork( const std::ptrdiff_t m,
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const std::ptrdiff_t n ) {
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return m+n+6;
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}
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};
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//
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// This implementation is enabled if Value is a complex type.
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//
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template< typename Value >
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struct tgsyl_impl< Value, typename boost::enable_if< is_complex< Value > >::type > {
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typedef Value value_type;
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typedef typename remove_imaginary< Value >::type real_type;
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//
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// Static member function for user-defined workspaces, that
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// * Deduces the required arguments for dispatching to LAPACK, and
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// * Asserts that most arguments make sense.
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//
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template< typename MatrixA, typename MatrixB, typename MatrixC,
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typename MatrixD, typename MatrixE, typename MatrixF,
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typename WORK, typename IWORK >
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static std::ptrdiff_t invoke( const fortran_int_t ijob,
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const MatrixA& a, const MatrixB& b, MatrixC& c, const MatrixD& d,
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const MatrixE& e, MatrixF& f, real_type& scale, real_type& dif,
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detail::workspace2< WORK, IWORK > work ) {
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||
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
typedef typename result_of::data_order< MatrixB >::type order;
|
||
|
typedef typename result_of::trans_tag< MatrixA, order >::type trans;
|
||
|
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixC >::value) );
|
||
|
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixD >::value) );
|
||
|
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixE >::value) );
|
||
|
BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixF >::value) );
|
||
|
BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
|
||
|
typename bindings::value_type< MatrixA >::type >::type,
|
||
|
typename remove_const< typename bindings::value_type<
|
||
|
MatrixB >::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<
|
||
|
MatrixC >::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<
|
||
|
MatrixD >::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<
|
||
|
MatrixE >::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<
|
||
|
MatrixF >::type >::type >::value) );
|
||
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixC >::value) );
|
||
|
BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixF >::value) );
|
||
|
BOOST_ASSERT( bindings::size(work.select(fortran_int_t())) >=
|
||
|
min_size_iwork( bindings::size_column_op(a, trans()),
|
||
|
bindings::size_column(b) ));
|
||
|
BOOST_ASSERT( bindings::size(work.select(value_type())) >=
|
||
|
min_size_work( bindings::size_column_op(a, trans()),
|
||
|
bindings::size_column(b) ));
|
||
|
BOOST_ASSERT( bindings::size_minor(a) == 1 ||
|
||
|
bindings::stride_minor(a) == 1 );
|
||
|
BOOST_ASSERT( bindings::size_minor(b) == 1 ||
|
||
|
bindings::stride_minor(b) == 1 );
|
||
|
BOOST_ASSERT( bindings::size_minor(c) == 1 ||
|
||
|
bindings::stride_minor(c) == 1 );
|
||
|
BOOST_ASSERT( bindings::size_minor(d) == 1 ||
|
||
|
bindings::stride_minor(d) == 1 );
|
||
|
BOOST_ASSERT( bindings::size_minor(e) == 1 ||
|
||
|
bindings::stride_minor(e) == 1 );
|
||
|
BOOST_ASSERT( bindings::size_minor(f) == 1 ||
|
||
|
bindings::stride_minor(f) == 1 );
|
||
|
BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1,
|
||
|
bindings::size_column_op(a, trans())) );
|
||
|
BOOST_ASSERT( bindings::stride_major(b) >= std::max< std::ptrdiff_t >(1,
|
||
|
bindings::size_column(b)) );
|
||
|
BOOST_ASSERT( bindings::stride_major(c) >= std::max< std::ptrdiff_t >(1,
|
||
|
bindings::size_column_op(a, trans())) );
|
||
|
BOOST_ASSERT( bindings::stride_major(d) >= std::max< std::ptrdiff_t >(1,
|
||
|
bindings::size_column_op(a, trans())) );
|
||
|
BOOST_ASSERT( bindings::stride_major(e) >= std::max< std::ptrdiff_t >(1,
|
||
|
bindings::size_column(b)) );
|
||
|
BOOST_ASSERT( bindings::stride_major(f) >= std::max< std::ptrdiff_t >(1,
|
||
|
bindings::size_column_op(a, trans())) );
|
||
|
return detail::tgsyl( trans(), ijob, bindings::size_column_op(a,
|
||
|
trans()), bindings::size_column(b), bindings::begin_value(a),
|
||
|
bindings::stride_major(a), bindings::begin_value(b),
|
||
|
bindings::stride_major(b), bindings::begin_value(c),
|
||
|
bindings::stride_major(c), bindings::begin_value(d),
|
||
|
bindings::stride_major(d), bindings::begin_value(e),
|
||
|
bindings::stride_major(e), bindings::begin_value(f),
|
||
|
bindings::stride_major(f), scale, dif,
|
||
|
bindings::begin_value(work.select(value_type())),
|
||
|
bindings::size(work.select(value_type())),
|
||
|
bindings::begin_value(work.select(fortran_int_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 MatrixB, typename MatrixC,
|
||
|
typename MatrixD, typename MatrixE, typename MatrixF >
|
||
|
static std::ptrdiff_t invoke( const fortran_int_t ijob,
|
||
|
const MatrixA& a, const MatrixB& b, MatrixC& c, const MatrixD& d,
|
||
|
const MatrixE& e, MatrixF& f, real_type& scale, real_type& dif,
|
||
|
minimal_workspace ) {
|
||
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
typedef typename result_of::data_order< MatrixB >::type order;
|
||
|
typedef typename result_of::trans_tag< MatrixA, order >::type trans;
|
||
|
bindings::detail::array< value_type > tmp_work( min_size_work(
|
||
|
bindings::size_column_op(a, trans()),
|
||
|
bindings::size_column(b) ) );
|
||
|
bindings::detail::array< fortran_int_t > tmp_iwork(
|
||
|
min_size_iwork( bindings::size_column_op(a, trans()),
|
||
|
bindings::size_column(b) ) );
|
||
|
return invoke( ijob, a, b, c, d, e, f, scale, dif,
|
||
|
workspace( tmp_work, tmp_iwork ) );
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// 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 MatrixB, typename MatrixC,
|
||
|
typename MatrixD, typename MatrixE, typename MatrixF >
|
||
|
static std::ptrdiff_t invoke( const fortran_int_t ijob,
|
||
|
const MatrixA& a, const MatrixB& b, MatrixC& c, const MatrixD& d,
|
||
|
const MatrixE& e, MatrixF& f, real_type& scale, real_type& dif,
|
||
|
optimal_workspace ) {
|
||
|
namespace bindings = ::boost::numeric::bindings;
|
||
|
typedef typename result_of::data_order< MatrixB >::type order;
|
||
|
typedef typename result_of::trans_tag< MatrixA, order >::type trans;
|
||
|
value_type opt_size_work;
|
||
|
bindings::detail::array< fortran_int_t > tmp_iwork(
|
||
|
min_size_iwork( bindings::size_column_op(a, trans()),
|
||
|
bindings::size_column(b) ) );
|
||
|
detail::tgsyl( trans(), ijob, bindings::size_column_op(a,
|
||
|
trans()), bindings::size_column(b), bindings::begin_value(a),
|
||
|
bindings::stride_major(a), bindings::begin_value(b),
|
||
|
bindings::stride_major(b), bindings::begin_value(c),
|
||
|
bindings::stride_major(c), bindings::begin_value(d),
|
||
|
bindings::stride_major(d), bindings::begin_value(e),
|
||
|
bindings::stride_major(e), bindings::begin_value(f),
|
||
|
bindings::stride_major(f), scale, dif, &opt_size_work, -1,
|
||
|
bindings::begin_value(tmp_iwork) );
|
||
|
bindings::detail::array< value_type > tmp_work(
|
||
|
traits::detail::to_int( opt_size_work ) );
|
||
|
return invoke( ijob, a, b, c, d, e, f, scale, dif,
|
||
|
workspace( tmp_work, tmp_iwork ) );
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Static member function that returns the minimum size of
|
||
|
// workspace-array work.
|
||
|
//
|
||
|
static std::ptrdiff_t min_size_work( const std::ptrdiff_t m,
|
||
|
const std::ptrdiff_t n ) {
|
||
|
return std::max< std::ptrdiff_t >(1,2*m*n);
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Static member function that returns the minimum size of
|
||
|
// workspace-array iwork.
|
||
|
//
|
||
|
static std::ptrdiff_t min_size_iwork( const std::ptrdiff_t m,
|
||
|
const std::ptrdiff_t n ) {
|
||
|
return m+n+2;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
|
||
|
//
|
||
|
// 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 tgsyl_impl classes. In the
|
||
|
// documentation, most overloads are collapsed to avoid a large number of
|
||
|
// prototypes which are very similar.
|
||
|
//
|
||
|
|
||
|
//
|
||
|
// Overloaded function for tgsyl. Its overload differs for
|
||
|
// * User-defined workspace
|
||
|
//
|
||
|
template< typename MatrixA, typename MatrixB, typename MatrixC,
|
||
|
typename MatrixD, typename MatrixE, typename MatrixF,
|
||
|
typename Workspace >
|
||
|
inline typename boost::enable_if< detail::is_workspace< Workspace >,
|
||
|
std::ptrdiff_t >::type
|
||
|
tgsyl( const fortran_int_t ijob, const MatrixA& a, const MatrixB& b,
|
||
|
MatrixC& c, const MatrixD& d, const MatrixE& e, MatrixF& f,
|
||
|
typename remove_imaginary< typename bindings::value_type<
|
||
|
MatrixA >::type >::type& scale, typename remove_imaginary<
|
||
|
typename bindings::value_type< MatrixA >::type >::type& dif,
|
||
|
Workspace work ) {
|
||
|
return tgsyl_impl< typename bindings::value_type<
|
||
|
MatrixA >::type >::invoke( ijob, a, b, c, d, e, f, scale, dif,
|
||
|
work );
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Overloaded function for tgsyl. Its overload differs for
|
||
|
// * Default workspace-type (optimal)
|
||
|
//
|
||
|
template< typename MatrixA, typename MatrixB, typename MatrixC,
|
||
|
typename MatrixD, typename MatrixE, typename MatrixF >
|
||
|
inline typename boost::disable_if< detail::is_workspace< MatrixF >,
|
||
|
std::ptrdiff_t >::type
|
||
|
tgsyl( const fortran_int_t ijob, const MatrixA& a, const MatrixB& b,
|
||
|
MatrixC& c, const MatrixD& d, const MatrixE& e, MatrixF& f,
|
||
|
typename remove_imaginary< typename bindings::value_type<
|
||
|
MatrixA >::type >::type& scale, typename remove_imaginary<
|
||
|
typename bindings::value_type< MatrixA >::type >::type& dif ) {
|
||
|
return tgsyl_impl< typename bindings::value_type<
|
||
|
MatrixA >::type >::invoke( ijob, a, b, c, d, e, f, scale, dif,
|
||
|
optimal_workspace() );
|
||
|
}
|
||
|
|
||
|
} // namespace lapack
|
||
|
} // namespace bindings
|
||
|
} // namespace numeric
|
||
|
} // namespace boost
|
||
|
|
||
|
#endif
|