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335 lines
13 KiB
335 lines
13 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_BLAS_LEVEL3_HER2K_HPP
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#define BOOST_NUMERIC_BINDINGS_BLAS_LEVEL3_HER2K_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/has_linear_array.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 BLAS-backend is selected by defining a pre-processor variable,
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// which can be one of
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// * for CBLAS, define BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
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// * for CUBLAS, define BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
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// * netlib-compatible BLAS is the default
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//
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#if defined BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
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#include <boost/numeric/bindings/blas/detail/cblas.h>
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#include <boost/numeric/bindings/blas/detail/cblas_option.hpp>
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#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
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#include <boost/numeric/bindings/blas/detail/cublas.h>
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#include <boost/numeric/bindings/blas/detail/blas_option.hpp>
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#else
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#include <boost/numeric/bindings/blas/detail/blas.h>
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#include <boost/numeric/bindings/blas/detail/blas_option.hpp>
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#endif
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namespace boost {
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namespace numeric {
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namespace bindings {
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namespace blas {
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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 BLAS-routine.
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//
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namespace detail {
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#if defined BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
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//
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// Overloaded function for dispatching to
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// * CBLAS backend, and
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// * float value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const float alpha, const float* a, const int lda,
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const float* b, const int ldb, const float beta, float* c,
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const int ldc ) {
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cblas_ssyr2k( cblas_option< Order >::value, cblas_option< UpLo >::value,
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cblas_option< Trans >::value, n, k, alpha, a, lda, b, ldb, beta,
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c, ldc );
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}
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//
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// Overloaded function for dispatching to
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// * CBLAS backend, and
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// * double value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const double alpha, const double* a, const int lda,
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const double* b, const int ldb, const double beta, double* c,
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const int ldc ) {
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cblas_dsyr2k( cblas_option< Order >::value, cblas_option< UpLo >::value,
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cblas_option< Trans >::value, n, k, alpha, a, lda, b, ldb, beta,
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c, ldc );
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}
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//
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// Overloaded function for dispatching to
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// * CBLAS backend, and
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// * complex<float> value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const std::complex<float> alpha,
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const std::complex<float>* a, const int lda,
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const std::complex<float>* b, const int ldb, const float beta,
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std::complex<float>* c, const int ldc ) {
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cblas_cher2k( cblas_option< Order >::value, cblas_option< UpLo >::value,
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cblas_option< Trans >::value, n, k, &alpha, a, lda, b, ldb, beta,
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c, ldc );
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}
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//
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// Overloaded function for dispatching to
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// * CBLAS backend, and
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// * complex<double> value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const std::complex<double> alpha,
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const std::complex<double>* a, const int lda,
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const std::complex<double>* b, const int ldb, const double beta,
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std::complex<double>* c, const int ldc ) {
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cblas_zher2k( cblas_option< Order >::value, cblas_option< UpLo >::value,
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cblas_option< Trans >::value, n, k, &alpha, a, lda, b, ldb, beta,
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c, ldc );
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}
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#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
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//
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// Overloaded function for dispatching to
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// * CUBLAS backend, and
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// * float value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const float alpha, const float* a, const int lda,
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const float* b, const int ldb, const float beta, float* c,
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const int ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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cublasSsyr2k( blas_option< UpLo >::value, blas_option< Trans >::value, n,
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k, alpha, a, lda, b, ldb, beta, c, ldc );
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}
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//
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// Overloaded function for dispatching to
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// * CUBLAS backend, and
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// * double value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const double alpha, const double* a, const int lda,
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const double* b, const int ldb, const double beta, double* c,
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const int ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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cublasDsyr2k( blas_option< UpLo >::value, blas_option< Trans >::value, n,
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k, alpha, a, lda, b, ldb, beta, c, ldc );
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}
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//
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// Overloaded function for dispatching to
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// * CUBLAS backend, and
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// * complex<float> value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const std::complex<float> alpha,
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const std::complex<float>* a, const int lda,
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const std::complex<float>* b, const int ldb, const float beta,
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std::complex<float>* c, const int ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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cublasCher2k( blas_option< UpLo >::value, blas_option< Trans >::value, n,
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k, alpha, a, lda, b, ldb, beta, c, ldc );
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}
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//
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// Overloaded function for dispatching to
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// * CUBLAS backend, and
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// * complex<double> value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans, const int n,
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const int k, const std::complex<double> alpha,
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const std::complex<double>* a, const int lda,
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const std::complex<double>* b, const int ldb, const double beta,
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std::complex<double>* c, const int ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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cublasZher2k( blas_option< UpLo >::value, blas_option< Trans >::value, n,
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k, alpha, a, lda, b, ldb, beta, c, ldc );
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}
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#else
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//
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// Overloaded function for dispatching to
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// * netlib-compatible BLAS backend (the default), and
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// * float value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans,
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const fortran_int_t n, const fortran_int_t k, const float alpha,
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const float* a, const fortran_int_t lda, const float* b,
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const fortran_int_t ldb, const float beta, float* c,
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const fortran_int_t ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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BLAS_SSYR2K( &blas_option< UpLo >::value, &blas_option< Trans >::value,
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&n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc );
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible BLAS backend (the default), and
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// * double value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans,
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const fortran_int_t n, const fortran_int_t k, const double alpha,
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const double* a, const fortran_int_t lda, const double* b,
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const fortran_int_t ldb, const double beta, double* c,
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const fortran_int_t ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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BLAS_DSYR2K( &blas_option< UpLo >::value, &blas_option< Trans >::value,
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&n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc );
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible BLAS backend (the default), and
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// * complex<float> value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans,
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const fortran_int_t n, const fortran_int_t k,
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const std::complex<float> alpha, const std::complex<float>* a,
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const fortran_int_t lda, const std::complex<float>* b,
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const fortran_int_t ldb, const float beta, std::complex<float>* c,
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const fortran_int_t ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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BLAS_CHER2K( &blas_option< UpLo >::value, &blas_option< Trans >::value,
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&n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc );
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}
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//
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// Overloaded function for dispatching to
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// * netlib-compatible BLAS backend (the default), and
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// * complex<double> value-type.
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//
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template< typename Order, typename UpLo, typename Trans >
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inline void her2k( const Order, const UpLo, const Trans,
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const fortran_int_t n, const fortran_int_t k,
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const std::complex<double> alpha, const std::complex<double>* a,
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const fortran_int_t lda, const std::complex<double>* b,
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const fortran_int_t ldb, const double beta, std::complex<double>* c,
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const fortran_int_t ldc ) {
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BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
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BLAS_ZHER2K( &blas_option< UpLo >::value, &blas_option< Trans >::value,
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&n, &k, &alpha, a, &lda, b, &ldb, &beta, c, &ldc );
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}
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#endif
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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 her2k.
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//
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template< typename Value >
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struct her2k_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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typedef void result_type;
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//
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// Static member function that
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// * Deduces the required arguments for dispatching to BLAS, 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 MatrixC >
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static result_type invoke( const value_type alpha, const MatrixA& a,
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const MatrixB& b, const real_type beta, MatrixC& c ) {
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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< MatrixA, order >::type trans;
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typedef typename result_of::uplo_tag< MatrixC >::type uplo;
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BOOST_STATIC_ASSERT( (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( (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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MatrixC >::type >::type >::value) );
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BOOST_STATIC_ASSERT( (bindings::has_linear_array< MatrixA >::value) );
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BOOST_STATIC_ASSERT( (bindings::has_linear_array< MatrixB >::value) );
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BOOST_STATIC_ASSERT( (bindings::has_linear_array< MatrixC >::value) );
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BOOST_STATIC_ASSERT( (bindings::is_mutable< MatrixC >::value) );
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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(c) == 1 ||
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bindings::stride_minor(c) == 1 );
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detail::her2k( order(), uplo(), trans(),
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bindings::size_column(c), bindings::size_column(a), alpha,
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bindings::begin_value(a), bindings::stride_major(a),
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bindings::begin_value(b), bindings::stride_major(b), beta,
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bindings::begin_value(c), bindings::stride_major(c) );
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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. Calls
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// to these functions are passed to the her2k_impl classes. In the
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// documentation, the const-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 her2k. Its overload differs for
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//
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template< typename MatrixA, typename MatrixB, typename MatrixC >
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inline typename her2k_impl< typename bindings::value_type<
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MatrixA >::type >::result_type
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her2k( const typename bindings::value_type< MatrixA >::type alpha,
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const MatrixA& a, const MatrixB& b, const typename remove_imaginary<
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typename bindings::value_type< MatrixA >::type >::type beta,
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MatrixC& c ) {
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her2k_impl< typename bindings::value_type<
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MatrixA >::type >::invoke( alpha, a, b, beta, c );
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}
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} // namespace blas
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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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