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209 lines
8.1 KiB
209 lines
8.1 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_COMPUTATIONAL_GGHRD_HPP |
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#define BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_GGHRD_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/is_column_major.hpp> |
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#include <boost/numeric/bindings/is_mutable.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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// |
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// The LAPACK-backend for gghrd 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 gghrd( const char compq, const char compz, |
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const fortran_int_t n, const fortran_int_t ilo, |
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const fortran_int_t ihi, float* a, const fortran_int_t lda, float* b, |
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const fortran_int_t ldb, float* q, const fortran_int_t ldq, float* z, |
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const fortran_int_t ldz ) { |
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fortran_int_t info(0); |
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LAPACK_SGGHRD( &compq, &compz, &n, &ilo, &ihi, a, &lda, b, &ldb, q, &ldq, |
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z, &ldz, &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 gghrd( const char compq, const char compz, |
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const fortran_int_t n, const fortran_int_t ilo, |
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const fortran_int_t ihi, double* a, const fortran_int_t lda, |
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double* b, const fortran_int_t ldb, double* q, |
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const fortran_int_t ldq, double* z, const fortran_int_t ldz ) { |
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fortran_int_t info(0); |
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LAPACK_DGGHRD( &compq, &compz, &n, &ilo, &ihi, a, &lda, b, &ldb, q, &ldq, |
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z, &ldz, &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 gghrd( const char compq, const char compz, |
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const fortran_int_t n, const fortran_int_t ilo, |
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const fortran_int_t ihi, 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, std::complex<float>* q, |
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const fortran_int_t ldq, std::complex<float>* z, |
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const fortran_int_t ldz ) { |
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fortran_int_t info(0); |
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LAPACK_CGGHRD( &compq, &compz, &n, &ilo, &ihi, a, &lda, b, &ldb, q, &ldq, |
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z, &ldz, &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 gghrd( const char compq, const char compz, |
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const fortran_int_t n, const fortran_int_t ilo, |
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const fortran_int_t ihi, 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, std::complex<double>* q, |
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const fortran_int_t ldq, std::complex<double>* z, |
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const fortran_int_t ldz ) { |
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fortran_int_t info(0); |
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LAPACK_ZGGHRD( &compq, &compz, &n, &ilo, &ihi, a, &lda, b, &ldb, q, &ldq, |
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z, &ldz, &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 gghrd. |
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// |
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template< typename Value > |
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struct gghrd_impl { |
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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, 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 MatrixQ, |
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typename MatrixZ > |
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static std::ptrdiff_t invoke( const char compq, const char compz, |
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const fortran_int_t ilo, MatrixA& a, MatrixB& b, MatrixQ& q, |
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MatrixZ& z ) { |
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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< MatrixQ >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_column_major< MatrixZ >::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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MatrixQ >::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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MatrixZ >::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< MatrixQ >::value) ); |
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixZ >::value) ); |
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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(z) == 1 || |
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bindings::stride_minor(z) == 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( compq == 'N' || compq == 'I' || compq == 'V' ); |
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BOOST_ASSERT( compz == 'N' || compz == 'I' || compz == 'V' ); |
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return detail::gghrd( compq, compz, bindings::size_column(a), ilo, |
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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), bindings::begin_value(q), |
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bindings::stride_major(q), bindings::begin_value(z), |
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bindings::stride_major(z) ); |
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} |
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}; |
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// |
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// Functions for direct use. These functions are overloaded for temporaries, |
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// so that wrapped types can still be passed and used for write-access. In |
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// addition, if applicable, they are overloaded for user-defined workspaces. |
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// Calls to these functions are passed to the gghrd_impl classes. In the |
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// documentation, most overloads are collapsed to avoid a large number of |
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// prototypes which are very similar. |
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// |
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// |
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// Overloaded function for gghrd. Its overload differs for |
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// |
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template< typename MatrixA, typename MatrixB, typename MatrixQ, |
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typename MatrixZ > |
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inline std::ptrdiff_t gghrd( const char compq, const char compz, |
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const fortran_int_t ilo, MatrixA& a, MatrixB& b, MatrixQ& q, |
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MatrixZ& z ) { |
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return gghrd_impl< typename bindings::value_type< |
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MatrixA >::type >::invoke( compq, compz, ilo, a, b, q, z ); |
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} |
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} // namespace lapack |
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} // namespace bindings |
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} // namespace numeric |
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} // namespace boost |
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#endif
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