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183 lines
6.5 KiB
183 lines
6.5 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_TPTRS_HPP
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#define BOOST_NUMERIC_BINDINGS_LAPACK_COMPUTATIONAL_TPTRS_HPP
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#include <boost/assert.hpp>
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#include <boost/numeric/bindings/begin.hpp>
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#include <boost/numeric/bindings/data_order.hpp>
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#include <boost/numeric/bindings/diag_tag.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/trans_tag.hpp>
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#include <boost/numeric/bindings/uplo_tag.hpp>
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#include <boost/numeric/bindings/value_type.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/remove_const.hpp>
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//
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// The LAPACK-backend for tptrs is the netlib-compatible backend.
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//
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#include <boost/numeric/bindings/lapack/detail/lapack.h>
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#include <boost/numeric/bindings/lapack/detail/lapack_option.hpp>
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namespace boost {
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namespace numeric {
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namespace bindings {
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namespace lapack {
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//
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// The detail namespace contains value-type-overloaded functions that
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// dispatch to the appropriate back-end LAPACK-routine.
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//
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namespace detail {
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * float value-type.
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//
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template< typename UpLo, typename Trans, typename Diag >
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inline std::ptrdiff_t tptrs( const UpLo, const Trans, const Diag,
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const fortran_int_t n, const fortran_int_t nrhs, const float* ap,
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float* b, const fortran_int_t ldb ) {
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fortran_int_t info(0);
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LAPACK_STPTRS( &lapack_option< UpLo >::value, &lapack_option<
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Trans >::value, &lapack_option< Diag >::value, &n, &nrhs, ap, b,
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&ldb, &info );
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return info;
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * double value-type.
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//
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template< typename UpLo, typename Trans, typename Diag >
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inline std::ptrdiff_t tptrs( const UpLo, const Trans, const Diag,
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const fortran_int_t n, const fortran_int_t nrhs, const double* ap,
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double* b, const fortran_int_t ldb ) {
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fortran_int_t info(0);
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LAPACK_DTPTRS( &lapack_option< UpLo >::value, &lapack_option<
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Trans >::value, &lapack_option< Diag >::value, &n, &nrhs, ap, b,
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&ldb, &info );
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return info;
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * complex<float> value-type.
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//
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template< typename UpLo, typename Trans, typename Diag >
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inline std::ptrdiff_t tptrs( const UpLo, const Trans, const Diag,
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const fortran_int_t n, const fortran_int_t nrhs,
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const std::complex<float>* ap, std::complex<float>* b,
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const fortran_int_t ldb ) {
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fortran_int_t info(0);
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LAPACK_CTPTRS( &lapack_option< UpLo >::value, &lapack_option<
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Trans >::value, &lapack_option< Diag >::value, &n, &nrhs, ap, b,
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&ldb, &info );
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return info;
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible LAPACK backend (the default), and
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// * complex<double> value-type.
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//
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template< typename UpLo, typename Trans, typename Diag >
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inline std::ptrdiff_t tptrs( const UpLo, const Trans, const Diag,
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const fortran_int_t n, const fortran_int_t nrhs,
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const std::complex<double>* ap, std::complex<double>* b,
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const fortran_int_t ldb ) {
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fortran_int_t info(0);
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LAPACK_ZTPTRS( &lapack_option< UpLo >::value, &lapack_option<
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Trans >::value, &lapack_option< Diag >::value, &n, &nrhs, ap, b,
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&ldb, &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 tptrs.
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//
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template< typename Value >
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struct tptrs_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 MatrixAP, typename MatrixB >
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static std::ptrdiff_t invoke( const MatrixAP& ap, MatrixB& b ) {
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namespace bindings = ::boost::numeric::bindings;
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typedef typename result_of::data_order< MatrixB >::type order;
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typedef typename result_of::trans_tag< MatrixAP, order >::type trans;
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typedef typename result_of::uplo_tag< MatrixAP, trans >::type uplo;
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typedef typename result_of::diag_tag< MatrixAP >::type diag;
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BOOST_STATIC_ASSERT( (boost::is_same< typename remove_const<
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typename bindings::value_type< MatrixAP >::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( (bindings::is_mutable< MatrixB >::value) );
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BOOST_ASSERT( bindings::size_column(b) >= 0 );
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BOOST_ASSERT( bindings::size_column_op(ap, trans()) >= 0 );
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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::stride_major(b) >= std::max< std::ptrdiff_t >(1,
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bindings::size_column_op(ap, trans())) );
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return detail::tptrs( uplo(), trans(), diag(),
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bindings::size_column_op(ap, trans()),
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bindings::size_column(b), bindings::begin_value(ap),
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bindings::begin_value(b), bindings::stride_major(b) );
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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 tptrs_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 tptrs. Its overload differs for
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//
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template< typename MatrixAP, typename MatrixB >
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inline std::ptrdiff_t tptrs( const MatrixAP& ap, MatrixB& b ) {
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return tptrs_impl< typename bindings::value_type<
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MatrixAP >::type >::invoke( ap, b );
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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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