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210 lines
8.1 KiB
210 lines
8.1 KiB
6 years ago
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//
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// Copyright (c) 2002--2010
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// Toon Knapen, Karl Meerbergen, Kresimir Fresl,
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// Thomas Klimpel and Rutger ter Borg
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// THIS FILE IS AUTOMATICALLY GENERATED
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// PLEASE DO NOT EDIT!
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//
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#ifndef BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_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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