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514 lines
24 KiB
514 lines
24 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_GGSVD_HPP |
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#define BOOST_NUMERIC_BINDINGS_LAPACK_DRIVER_GGSVD_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/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 ggsvd 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 ggsvd( const char jobu, const char jobv, const char jobq, |
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const fortran_int_t m, const fortran_int_t n, const fortran_int_t p, |
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fortran_int_t& k, fortran_int_t& l, float* a, const fortran_int_t lda, |
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float* b, const fortran_int_t ldb, float* alpha, float* beta, |
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float* u, const fortran_int_t ldu, float* v, const fortran_int_t ldv, |
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float* q, const fortran_int_t ldq, float* work, |
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fortran_int_t* iwork ) { |
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fortran_int_t info(0); |
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LAPACK_SGGSVD( &jobu, &jobv, &jobq, &m, &n, &p, &k, &l, a, &lda, b, &ldb, |
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alpha, beta, u, &ldu, v, &ldv, q, &ldq, work, 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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inline std::ptrdiff_t ggsvd( const char jobu, const char jobv, const char jobq, |
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const fortran_int_t m, const fortran_int_t n, const fortran_int_t p, |
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fortran_int_t& k, fortran_int_t& l, double* a, |
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const fortran_int_t lda, double* b, const fortran_int_t ldb, |
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double* alpha, double* beta, double* u, const fortran_int_t ldu, |
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double* v, const fortran_int_t ldv, double* q, |
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const fortran_int_t ldq, double* work, fortran_int_t* iwork ) { |
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fortran_int_t info(0); |
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LAPACK_DGGSVD( &jobu, &jobv, &jobq, &m, &n, &p, &k, &l, a, &lda, b, &ldb, |
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alpha, beta, u, &ldu, v, &ldv, q, &ldq, work, 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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inline std::ptrdiff_t ggsvd( const char jobu, const char jobv, const char jobq, |
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const fortran_int_t m, const fortran_int_t n, const fortran_int_t p, |
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fortran_int_t& k, fortran_int_t& l, std::complex<float>* a, |
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const fortran_int_t lda, std::complex<float>* b, |
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const fortran_int_t ldb, float* alpha, float* beta, |
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std::complex<float>* u, const fortran_int_t ldu, |
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std::complex<float>* v, const fortran_int_t ldv, |
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std::complex<float>* q, const fortran_int_t ldq, |
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std::complex<float>* work, float* rwork, fortran_int_t* iwork ) { |
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fortran_int_t info(0); |
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LAPACK_CGGSVD( &jobu, &jobv, &jobq, &m, &n, &p, &k, &l, a, &lda, b, &ldb, |
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alpha, beta, u, &ldu, v, &ldv, q, &ldq, work, rwork, iwork, |
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&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 ggsvd( const char jobu, const char jobv, const char jobq, |
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const fortran_int_t m, const fortran_int_t n, const fortran_int_t p, |
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fortran_int_t& k, fortran_int_t& l, std::complex<double>* a, |
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const fortran_int_t lda, std::complex<double>* b, |
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const fortran_int_t ldb, double* alpha, double* beta, |
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std::complex<double>* u, const fortran_int_t ldu, |
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std::complex<double>* v, const fortran_int_t ldv, |
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std::complex<double>* q, const fortran_int_t ldq, |
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std::complex<double>* work, double* rwork, fortran_int_t* iwork ) { |
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fortran_int_t info(0); |
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LAPACK_ZGGSVD( &jobu, &jobv, &jobq, &m, &n, &p, &k, &l, a, &lda, b, &ldb, |
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alpha, beta, u, &ldu, v, &ldv, q, &ldq, work, rwork, iwork, |
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&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 ggsvd. |
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// |
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template< typename Value, typename Enable = void > |
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struct ggsvd_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 ggsvd_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 VectorALPHA, |
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typename VectorBETA, typename MatrixU, typename MatrixV, |
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typename MatrixQ, typename WORK, typename IWORK > |
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static std::ptrdiff_t invoke( const char jobu, const char jobv, |
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const char jobq, fortran_int_t& k, fortran_int_t& l, |
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MatrixA& a, MatrixB& b, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixU& u, MatrixV& v, MatrixQ& q, detail::workspace2< WORK, |
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IWORK > 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< MatrixU >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixV >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixQ >::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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MatrixU >::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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MatrixV >::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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MatrixQ >::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< MatrixU >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixV >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixQ >::value) ); |
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BOOST_ASSERT( bindings::size(alpha) >= bindings::size_column(a) ); |
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BOOST_ASSERT( bindings::size(work.select(fortran_int_t())) >= |
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min_size_iwork( bindings::size_column(a) )); |
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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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bindings::size_row(a), bindings::size_row(b) )); |
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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(q) == 1 || |
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bindings::stride_minor(q) == 1 ); |
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BOOST_ASSERT( bindings::size_minor(u) == 1 || |
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bindings::stride_minor(u) == 1 ); |
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BOOST_ASSERT( bindings::size_minor(v) == 1 || |
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bindings::stride_minor(v) == 1 ); |
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BOOST_ASSERT( bindings::size_row(a) >= 0 ); |
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BOOST_ASSERT( bindings::size_row(b) >= 0 ); |
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BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_row(a)) ); |
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BOOST_ASSERT( bindings::stride_major(b) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_row(b)) ); |
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BOOST_ASSERT( jobq == 'Q' || jobq == 'N' ); |
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BOOST_ASSERT( jobu == 'U' || jobu == 'N' ); |
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BOOST_ASSERT( jobv == 'V' || jobv == 'N' ); |
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return detail::ggsvd( jobu, jobv, jobq, bindings::size_row(a), |
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bindings::size_column(a), bindings::size_row(b), k, l, |
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bindings::begin_value(a), bindings::stride_major(a), |
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bindings::begin_value(b), bindings::stride_major(b), |
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bindings::begin_value(alpha), bindings::begin_value(beta), |
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bindings::begin_value(u), bindings::stride_major(u), |
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bindings::begin_value(v), bindings::stride_major(v), |
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bindings::begin_value(q), bindings::stride_major(q), |
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bindings::begin_value(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 VectorALPHA, |
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typename VectorBETA, typename MatrixU, typename MatrixV, |
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typename MatrixQ > |
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static std::ptrdiff_t invoke( const char jobu, const char jobv, |
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const char jobq, fortran_int_t& k, fortran_int_t& l, |
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MatrixA& a, MatrixB& b, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixU& u, MatrixV& v, MatrixQ& q, 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), bindings::size_row(a), |
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bindings::size_row(b) ) ); |
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bindings::detail::array< fortran_int_t > tmp_iwork( |
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min_size_iwork( bindings::size_column(a) ) ); |
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return invoke( jobu, jobv, jobq, k, l, a, b, alpha, beta, u, v, q, |
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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 VectorALPHA, |
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typename VectorBETA, typename MatrixU, typename MatrixV, |
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typename MatrixQ > |
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static std::ptrdiff_t invoke( const char jobu, const char jobv, |
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const char jobq, fortran_int_t& k, fortran_int_t& l, |
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MatrixA& a, MatrixB& b, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixU& u, MatrixV& v, MatrixQ& q, optimal_workspace ) { |
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namespace bindings = ::boost::numeric::bindings; |
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return invoke( jobu, jobv, jobq, k, l, a, b, alpha, beta, u, v, q, |
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minimal_workspace() ); |
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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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const std::ptrdiff_t m, const std::ptrdiff_t p ) { |
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return std::max< std::ptrdiff_t >(3*n,std::max< std::ptrdiff_t >(m,p))+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 n ) { |
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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 ggsvd_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 VectorALPHA, |
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typename VectorBETA, typename MatrixU, typename MatrixV, |
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typename MatrixQ, typename WORK, typename RWORK, typename IWORK > |
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static std::ptrdiff_t invoke( const char jobu, const char jobv, |
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const char jobq, fortran_int_t& k, fortran_int_t& l, |
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MatrixA& a, MatrixB& b, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixU& u, MatrixV& v, MatrixQ& q, detail::workspace3< WORK, |
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RWORK, IWORK > 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< MatrixU >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixV >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixQ >::value) ); |
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const< |
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typename bindings::value_type< VectorALPHA >::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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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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MatrixU >::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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MatrixV >::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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MatrixQ >::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< MatrixU >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixV >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixQ >::value) ); |
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BOOST_ASSERT( bindings::size(alpha) >= bindings::size_column(a) ); |
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BOOST_ASSERT( bindings::size(work.select(fortran_int_t())) >= |
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min_size_iwork( bindings::size_column(a) )); |
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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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bindings::size_row(a), bindings::size_row(b) )); |
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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(q) == 1 || |
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bindings::stride_minor(q) == 1 ); |
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BOOST_ASSERT( bindings::size_minor(u) == 1 || |
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bindings::stride_minor(u) == 1 ); |
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BOOST_ASSERT( bindings::size_minor(v) == 1 || |
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bindings::stride_minor(v) == 1 ); |
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BOOST_ASSERT( bindings::size_row(a) >= 0 ); |
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BOOST_ASSERT( bindings::size_row(b) >= 0 ); |
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BOOST_ASSERT( bindings::stride_major(a) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_row(a)) ); |
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BOOST_ASSERT( bindings::stride_major(b) >= std::max< std::ptrdiff_t >(1, |
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bindings::size_row(b)) ); |
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BOOST_ASSERT( jobq == 'Q' || jobq == 'N' ); |
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BOOST_ASSERT( jobu == 'U' || jobu == 'N' ); |
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BOOST_ASSERT( jobv == 'V' || jobv == 'N' ); |
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return detail::ggsvd( jobu, jobv, jobq, bindings::size_row(a), |
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bindings::size_column(a), bindings::size_row(b), k, l, |
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bindings::begin_value(a), bindings::stride_major(a), |
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bindings::begin_value(b), bindings::stride_major(b), |
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bindings::begin_value(alpha), bindings::begin_value(beta), |
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bindings::begin_value(u), bindings::stride_major(u), |
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bindings::begin_value(v), bindings::stride_major(v), |
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bindings::begin_value(q), bindings::stride_major(q), |
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bindings::begin_value(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_int_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 |
|
// the results to the user-defined workspace overload of the |
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// invoke static member function |
|
// * Enables the unblocked algorithm (BLAS level 2) |
|
// |
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template< typename MatrixA, typename MatrixB, typename VectorALPHA, |
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typename VectorBETA, typename MatrixU, typename MatrixV, |
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typename MatrixQ > |
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static std::ptrdiff_t invoke( const char jobu, const char jobv, |
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const char jobq, fortran_int_t& k, fortran_int_t& l, |
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MatrixA& a, MatrixB& b, VectorALPHA& alpha, VectorBETA& beta, |
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MatrixU& u, MatrixV& v, MatrixQ& q, 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( |
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bindings::size_column(a), bindings::size_row(a), |
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bindings::size_row(b) ) ); |
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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_int_t > tmp_iwork( |
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min_size_iwork( bindings::size_column(a) ) ); |
|
return invoke( jobu, jobv, jobq, k, l, a, b, alpha, beta, u, v, q, |
|
workspace( tmp_work, tmp_rwork, 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 VectorALPHA, |
|
typename VectorBETA, typename MatrixU, typename MatrixV, |
|
typename MatrixQ > |
|
static std::ptrdiff_t invoke( const char jobu, const char jobv, |
|
const char jobq, fortran_int_t& k, fortran_int_t& l, |
|
MatrixA& a, MatrixB& b, VectorALPHA& alpha, VectorBETA& beta, |
|
MatrixU& u, MatrixV& v, MatrixQ& q, optimal_workspace ) { |
|
namespace bindings = ::boost::numeric::bindings; |
|
return invoke( jobu, jobv, jobq, k, l, a, b, alpha, beta, u, v, q, |
|
minimal_workspace() ); |
|
} |
|
|
|
// |
|
// Static member function that returns the minimum size of |
|
// workspace-array work. |
|
// |
|
static std::ptrdiff_t min_size_work( const std::ptrdiff_t n, |
|
const std::ptrdiff_t m, const std::ptrdiff_t p ) { |
|
return std::max< std::ptrdiff_t >(3*n,std::max< std::ptrdiff_t >(m,p))+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 2*n; |
|
} |
|
|
|
// |
|
// Static member function that returns the minimum size of |
|
// workspace-array iwork. |
|
// |
|
static std::ptrdiff_t min_size_iwork( const std::ptrdiff_t n ) { |
|
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 ggsvd_impl classes. In the |
|
// documentation, most overloads are collapsed to avoid a large number of |
|
// prototypes which are very similar. |
|
// |
|
|
|
// |
|
// Overloaded function for ggsvd. Its overload differs for |
|
// * User-defined workspace |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHA, |
|
typename VectorBETA, typename MatrixU, typename MatrixV, |
|
typename MatrixQ, typename Workspace > |
|
inline typename boost::enable_if< detail::is_workspace< Workspace >, |
|
std::ptrdiff_t >::type |
|
ggsvd( const char jobu, const char jobv, const char jobq, |
|
fortran_int_t& k, fortran_int_t& l, MatrixA& a, MatrixB& b, |
|
VectorALPHA& alpha, VectorBETA& beta, MatrixU& u, MatrixV& v, |
|
MatrixQ& q, Workspace work ) { |
|
return ggsvd_impl< typename bindings::value_type< |
|
MatrixA >::type >::invoke( jobu, jobv, jobq, k, l, a, b, alpha, |
|
beta, u, v, q, work ); |
|
} |
|
|
|
// |
|
// Overloaded function for ggsvd. Its overload differs for |
|
// * Default workspace-type (optimal) |
|
// |
|
template< typename MatrixA, typename MatrixB, typename VectorALPHA, |
|
typename VectorBETA, typename MatrixU, typename MatrixV, |
|
typename MatrixQ > |
|
inline typename boost::disable_if< detail::is_workspace< MatrixQ >, |
|
std::ptrdiff_t >::type |
|
ggsvd( const char jobu, const char jobv, const char jobq, |
|
fortran_int_t& k, fortran_int_t& l, MatrixA& a, MatrixB& b, |
|
VectorALPHA& alpha, VectorBETA& beta, MatrixU& u, MatrixV& v, |
|
MatrixQ& q ) { |
|
return ggsvd_impl< typename bindings::value_type< |
|
MatrixA >::type >::invoke( jobu, jobv, jobq, k, l, a, b, alpha, |
|
beta, u, v, q, optimal_workspace() ); |
|
} |
|
|
|
} // namespace lapack |
|
} // namespace bindings |
|
} // namespace numeric |
|
} // namespace boost |
|
|
|
#endif
|
|
|