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580 lines
27 KiB
580 lines
27 KiB
// |
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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_DRIVER_GGES_HPP |
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#define BOOST_NUMERIC_BINDINGS_LAPACK_DRIVER_GGES_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/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/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 gges 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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inline std::ptrdiff_t gges( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, const fortran_int_t n, float* a, |
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const fortran_int_t lda, float* b, const fortran_int_t ldb, |
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fortran_int_t& sdim, float* alphar, float* alphai, float* beta, |
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float* vsl, const fortran_int_t ldvsl, float* vsr, |
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const fortran_int_t ldvsr, float* work, const fortran_int_t lwork, |
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fortran_bool_t* bwork ) { |
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fortran_int_t info(0); |
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LAPACK_SGGES( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda, b, &ldb, |
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&sdim, alphar, alphai, beta, vsl, &ldvsl, vsr, &ldvsr, work, |
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&lwork, bwork, &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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inline std::ptrdiff_t gges( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, const fortran_int_t n, double* a, |
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const fortran_int_t lda, double* b, const fortran_int_t ldb, |
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fortran_int_t& sdim, double* alphar, double* alphai, double* beta, |
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double* vsl, const fortran_int_t ldvsl, double* vsr, |
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const fortran_int_t ldvsr, double* work, const fortran_int_t lwork, |
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fortran_bool_t* bwork ) { |
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fortran_int_t info(0); |
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LAPACK_DGGES( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda, b, &ldb, |
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&sdim, alphar, alphai, beta, vsl, &ldvsl, vsr, &ldvsr, work, |
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&lwork, bwork, &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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inline std::ptrdiff_t gges( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, const fortran_int_t n, |
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std::complex<float>* a, const fortran_int_t lda, |
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std::complex<float>* b, const fortran_int_t ldb, fortran_int_t& sdim, |
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std::complex<float>* alpha, std::complex<float>* beta, |
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std::complex<float>* vsl, const fortran_int_t ldvsl, |
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std::complex<float>* vsr, const fortran_int_t ldvsr, |
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std::complex<float>* work, const fortran_int_t lwork, float* rwork, |
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fortran_bool_t* bwork ) { |
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fortran_int_t info(0); |
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LAPACK_CGGES( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda, b, &ldb, |
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&sdim, alpha, beta, vsl, &ldvsl, vsr, &ldvsr, work, &lwork, rwork, |
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bwork, &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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inline std::ptrdiff_t gges( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, const fortran_int_t n, |
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std::complex<double>* a, const fortran_int_t lda, |
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std::complex<double>* b, const fortran_int_t ldb, fortran_int_t& sdim, |
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std::complex<double>* alpha, std::complex<double>* beta, |
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std::complex<double>* vsl, const fortran_int_t ldvsl, |
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std::complex<double>* vsr, const fortran_int_t ldvsr, |
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std::complex<double>* work, const fortran_int_t lwork, double* rwork, |
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fortran_bool_t* bwork ) { |
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fortran_int_t info(0); |
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LAPACK_ZGGES( &jobvsl, &jobvsr, &sort, selctg, &n, a, &lda, b, &ldb, |
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&sdim, alpha, beta, vsl, &ldvsl, vsr, &ldvsr, work, &lwork, rwork, |
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bwork, &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 gges. |
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// |
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template< typename Value, typename Enable = void > |
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struct gges_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 gges_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 VectorALPHAR, |
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typename VectorALPHAI, typename VectorBETA, typename MatrixVSL, |
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typename MatrixVSR, typename WORK, typename BWORK > |
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static std::ptrdiff_t invoke( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, MatrixA& a, MatrixB& b, |
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fortran_int_t& sdim, VectorALPHAR& alphar, |
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VectorALPHAI& alphai, VectorBETA& beta, MatrixVSL& vsl, |
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MatrixVSR& vsr, detail::workspace2< WORK, BWORK > work ) { |
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namespace bindings = ::boost::numeric::bindings; |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixB >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixVSL >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixVSR >::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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VectorALPHAR >::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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VectorALPHAI >::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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VectorBETA >::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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MatrixVSL >::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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MatrixVSR >::type >::type >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixB >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorALPHAR >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorALPHAI >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorBETA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixVSL >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixVSR >::value) ); |
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BOOST_ASSERT( bindings::size(alphai) >= bindings::size_column(a) ); |
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BOOST_ASSERT( bindings::size(alphar) >= bindings::size_column(a) ); |
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BOOST_ASSERT( bindings::size(work.select(fortran_bool_t())) >= |
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min_size_bwork( bindings::size_column(a), sort )); |
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BOOST_ASSERT( bindings::size(work.select(real_type())) >= |
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min_size_work( bindings::size_column(a) )); |
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BOOST_ASSERT( bindings::size_column(a) >= 0 ); |
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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(vsl) == 1 || |
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bindings::stride_minor(vsl) == 1 ); |
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BOOST_ASSERT( bindings::size_minor(vsr) == 1 || |
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bindings::stride_minor(vsr) == 1 ); |
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BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_column(a)) ); |
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BOOST_ASSERT( bindings::stride_major(b) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_column(a)) ); |
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BOOST_ASSERT( jobvsl == 'N' || jobvsl == 'V' ); |
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BOOST_ASSERT( jobvsr == 'N' || jobvsr == 'V' ); |
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BOOST_ASSERT( sort == 'N' || sort == 'S' ); |
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return detail::gges( jobvsl, jobvsr, sort, selctg, |
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bindings::size_column(a), bindings::begin_value(a), |
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bindings::stride_major(a), bindings::begin_value(b), |
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bindings::stride_major(b), sdim, |
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bindings::begin_value(alphar), bindings::begin_value(alphai), |
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bindings::begin_value(beta), bindings::begin_value(vsl), |
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bindings::stride_major(vsl), bindings::begin_value(vsr), |
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bindings::stride_major(vsr), |
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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_bool_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 VectorALPHAR, |
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typename VectorALPHAI, typename VectorBETA, typename MatrixVSL, |
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typename MatrixVSR > |
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static std::ptrdiff_t invoke( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, MatrixA& a, MatrixB& b, |
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fortran_int_t& sdim, VectorALPHAR& alphar, |
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VectorALPHAI& alphai, VectorBETA& beta, MatrixVSL& vsl, |
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MatrixVSR& vsr, minimal_workspace ) { |
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namespace bindings = ::boost::numeric::bindings; |
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bindings::detail::array< real_type > tmp_work( min_size_work( |
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bindings::size_column(a) ) ); |
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bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork( |
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bindings::size_column(a), sort ) ); |
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return invoke( jobvsl, jobvsr, sort, selctg, a, b, sdim, alphar, |
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alphai, beta, vsl, vsr, workspace( tmp_work, tmp_bwork ) ); |
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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 VectorALPHAR, |
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typename VectorALPHAI, typename VectorBETA, typename MatrixVSL, |
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typename MatrixVSR > |
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static std::ptrdiff_t invoke( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, MatrixA& a, MatrixB& b, |
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fortran_int_t& sdim, VectorALPHAR& alphar, |
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VectorALPHAI& alphai, VectorBETA& beta, MatrixVSL& vsl, |
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MatrixVSR& vsr, optimal_workspace ) { |
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namespace bindings = ::boost::numeric::bindings; |
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real_type opt_size_work; |
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bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork( |
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bindings::size_column(a), sort ) ); |
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detail::gges( jobvsl, jobvsr, sort, selctg, |
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bindings::size_column(a), bindings::begin_value(a), |
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bindings::stride_major(a), bindings::begin_value(b), |
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bindings::stride_major(b), sdim, |
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bindings::begin_value(alphar), bindings::begin_value(alphai), |
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bindings::begin_value(beta), bindings::begin_value(vsl), |
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bindings::stride_major(vsl), bindings::begin_value(vsr), |
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bindings::stride_major(vsr), &opt_size_work, -1, |
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bindings::begin_value(tmp_bwork) ); |
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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( jobvsl, jobvsr, sort, selctg, a, b, sdim, alphar, |
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alphai, beta, vsl, vsr, workspace( tmp_work, tmp_bwork ) ); |
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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 n ) { |
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if ( n == 0 ) { |
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return 1; |
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} else { |
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return std::max< std::ptrdiff_t >( 8*n, 6*n + 16 ); |
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} |
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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 bwork. |
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// |
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static std::ptrdiff_t min_size_bwork( const std::ptrdiff_t n, |
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const char sort ) { |
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if ( sort == 'N' ) |
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return 0; |
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else |
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return n; |
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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 gges_impl< Value, typename boost::enable_if< is_complex< Value > >::type > { |
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|
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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 VectorALPHA, |
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typename VectorBETA, typename MatrixVSL, typename MatrixVSR, |
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typename WORK, typename RWORK, typename BWORK > |
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static std::ptrdiff_t invoke( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, MatrixA& a, MatrixB& b, |
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fortran_int_t& sdim, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixVSL& vsl, MatrixVSR& vsr, detail::workspace3< WORK, RWORK, |
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BWORK > work ) { |
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namespace bindings = ::boost::numeric::bindings; |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixB >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixVSL >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixVSR >::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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VectorALPHA >::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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VectorBETA >::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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MatrixVSL >::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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MatrixVSR >::type >::type >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixB >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorALPHA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorBETA >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixVSL >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixVSR >::value) ); |
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BOOST_ASSERT( bindings::size(alpha) >= bindings::size_column(a) ); |
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BOOST_ASSERT( bindings::size(beta) >= bindings::size_column(a) ); |
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BOOST_ASSERT( bindings::size(work.select(fortran_bool_t())) >= |
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min_size_bwork( bindings::size_column(a), sort )); |
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BOOST_ASSERT( bindings::size(work.select(real_type())) >= |
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min_size_rwork( bindings::size_column(a) )); |
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BOOST_ASSERT( bindings::size(work.select(value_type())) >= |
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min_size_work( bindings::size_column(a) )); |
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BOOST_ASSERT( bindings::size_column(a) >= 0 ); |
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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(vsl) == 1 || |
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bindings::stride_minor(vsl) == 1 ); |
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BOOST_ASSERT( bindings::size_minor(vsr) == 1 || |
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bindings::stride_minor(vsr) == 1 ); |
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BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_column(a)) ); |
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BOOST_ASSERT( bindings::stride_major(b) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_column(a)) ); |
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BOOST_ASSERT( jobvsl == 'N' || jobvsl == 'V' ); |
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BOOST_ASSERT( jobvsr == 'N' || jobvsr == 'V' ); |
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BOOST_ASSERT( sort == 'N' || sort == 'S' ); |
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return detail::gges( jobvsl, jobvsr, sort, selctg, |
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bindings::size_column(a), bindings::begin_value(a), |
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bindings::stride_major(a), bindings::begin_value(b), |
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bindings::stride_major(b), sdim, bindings::begin_value(alpha), |
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bindings::begin_value(beta), bindings::begin_value(vsl), |
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bindings::stride_major(vsl), bindings::begin_value(vsr), |
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bindings::stride_major(vsr), |
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bindings::begin_value(work.select(value_type())), |
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bindings::size(work.select(value_type())), |
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bindings::begin_value(work.select(real_type())), |
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bindings::begin_value(work.select(fortran_bool_t())) ); |
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} |
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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 VectorALPHA, |
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typename VectorBETA, typename MatrixVSL, typename MatrixVSR > |
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static std::ptrdiff_t invoke( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, MatrixA& a, MatrixB& b, |
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fortran_int_t& sdim, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixVSL& vsl, MatrixVSR& vsr, minimal_workspace ) { |
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namespace bindings = ::boost::numeric::bindings; |
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bindings::detail::array< value_type > tmp_work( min_size_work( |
|
bindings::size_column(a) ) ); |
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bindings::detail::array< real_type > tmp_rwork( min_size_rwork( |
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bindings::size_column(a) ) ); |
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bindings::detail::array< fortran_bool_t > tmp_bwork( min_size_bwork( |
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bindings::size_column(a), sort ) ); |
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return invoke( jobvsl, jobvsr, sort, selctg, a, b, sdim, alpha, beta, |
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vsl, vsr, workspace( tmp_work, tmp_rwork, tmp_bwork ) ); |
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} |
|
|
|
// |
|
// Static member function that |
|
// * Figures out the optimal workspace requirements, and passes |
|
// the results to the user-defined workspace overload of the |
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// invoke static member |
|
// * Enables the blocked algorithm (BLAS level 3) |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHA, |
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typename VectorBETA, typename MatrixVSL, typename MatrixVSR > |
|
static std::ptrdiff_t invoke( const char jobvsl, const char jobvsr, |
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const char sort, external_fp selctg, MatrixA& a, MatrixB& b, |
|
fortran_int_t& sdim, VectorALPHA& alpha, VectorBETA& beta, |
|
MatrixVSL& vsl, MatrixVSR& vsr, 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::gges( jobvsl, jobvsr, sort, selctg, |
|
bindings::size_column(a), bindings::begin_value(a), |
|
bindings::stride_major(a), bindings::begin_value(b), |
|
bindings::stride_major(b), sdim, bindings::begin_value(alpha), |
|
bindings::begin_value(beta), bindings::begin_value(vsl), |
|
bindings::stride_major(vsl), bindings::begin_value(vsr), |
|
bindings::stride_major(vsr), &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( jobvsl, jobvsr, sort, selctg, a, b, sdim, alpha, beta, |
|
vsl, vsr, 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 ) { |
|
return std::max< std::ptrdiff_t >( 1, 2*n ); |
|
} |
|
|
|
// |
|
// 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 8*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 gges_impl classes. In the |
|
// documentation, most overloads are collapsed to avoid a large number of |
|
// prototypes which are very similar. |
|
// |
|
|
|
// |
|
// Overloaded function for gges. Its overload differs for |
|
// * User-defined workspace |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHAR, |
|
typename VectorALPHAI, typename VectorBETA, typename MatrixVSL, |
|
typename MatrixVSR, typename Workspace > |
|
inline typename boost::enable_if< detail::is_workspace< Workspace >, |
|
std::ptrdiff_t >::type |
|
gges( const char jobvsl, const char jobvsr, const char sort, |
|
external_fp selctg, MatrixA& a, MatrixB& b, fortran_int_t& sdim, |
|
VectorALPHAR& alphar, VectorALPHAI& alphai, VectorBETA& beta, |
|
MatrixVSL& vsl, MatrixVSR& vsr, Workspace work ) { |
|
return gges_impl< typename bindings::value_type< |
|
MatrixA >::type >::invoke( jobvsl, jobvsr, sort, selctg, a, b, |
|
sdim, alphar, alphai, beta, vsl, vsr, work ); |
|
} |
|
|
|
// |
|
// Overloaded function for gges. Its overload differs for |
|
// * Default workspace-type (optimal) |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHAR, |
|
typename VectorALPHAI, typename VectorBETA, typename MatrixVSL, |
|
typename MatrixVSR > |
|
inline typename boost::disable_if< detail::is_workspace< MatrixVSR >, |
|
std::ptrdiff_t >::type |
|
gges( const char jobvsl, const char jobvsr, const char sort, |
|
external_fp selctg, MatrixA& a, MatrixB& b, fortran_int_t& sdim, |
|
VectorALPHAR& alphar, VectorALPHAI& alphai, VectorBETA& beta, |
|
MatrixVSL& vsl, MatrixVSR& vsr ) { |
|
return gges_impl< typename bindings::value_type< |
|
MatrixA >::type >::invoke( jobvsl, jobvsr, sort, selctg, a, b, |
|
sdim, alphar, alphai, beta, vsl, vsr, optimal_workspace() ); |
|
} |
|
|
|
// |
|
// Overloaded function for gges. Its overload differs for |
|
// * User-defined workspace |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHA, |
|
typename VectorBETA, typename MatrixVSL, typename MatrixVSR, |
|
typename Workspace > |
|
inline typename boost::enable_if< detail::is_workspace< Workspace >, |
|
std::ptrdiff_t >::type |
|
gges( const char jobvsl, const char jobvsr, const char sort, |
|
external_fp selctg, MatrixA& a, MatrixB& b, fortran_int_t& sdim, |
|
VectorALPHA& alpha, VectorBETA& beta, MatrixVSL& vsl, MatrixVSR& vsr, |
|
Workspace work ) { |
|
return gges_impl< typename bindings::value_type< |
|
MatrixA >::type >::invoke( jobvsl, jobvsr, sort, selctg, a, b, |
|
sdim, alpha, beta, vsl, vsr, work ); |
|
} |
|
|
|
// |
|
// Overloaded function for gges. Its overload differs for |
|
// * Default workspace-type (optimal) |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHA, |
|
typename VectorBETA, typename MatrixVSL, typename MatrixVSR > |
|
inline typename boost::disable_if< detail::is_workspace< MatrixVSR >, |
|
std::ptrdiff_t >::type |
|
gges( const char jobvsl, const char jobvsr, const char sort, |
|
external_fp selctg, MatrixA& a, MatrixB& b, fortran_int_t& sdim, |
|
VectorALPHA& alpha, VectorBETA& beta, MatrixVSL& vsl, |
|
MatrixVSR& vsr ) { |
|
return gges_impl< typename bindings::value_type< |
|
MatrixA >::type >::invoke( jobvsl, jobvsr, sort, selctg, a, b, |
|
sdim, alpha, beta, vsl, vsr, optimal_workspace() ); |
|
} |
|
|
|
} // namespace lapack |
|
} // namespace bindings |
|
} // namespace numeric |
|
} // namespace boost |
|
|
|
#endif
|
|
|