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trsv.hpp
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trsv.hpp
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//
// Copyright (c) 2002--2010
// Toon Knapen, Karl Meerbergen, Kresimir Fresl,
// Thomas Klimpel and Rutger ter Borg
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// THIS FILE IS AUTOMATICALLY GENERATED
// PLEASE DO NOT EDIT!
//
#ifndef BOOST_NUMERIC_BINDINGS_BLAS_LEVEL2_TRSV_HPP
#define BOOST_NUMERIC_BINDINGS_BLAS_LEVEL2_TRSV_HPP
#include <boost/assert.hpp>
#include <Core/Utils/numeric/bindings/begin.hpp>
#include <Core/Utils/numeric/bindings/blas/detail/default_order.hpp>
#include <Core/Utils/numeric/bindings/diag_tag.hpp>
#include <Core/Utils/numeric/bindings/has_linear_array.hpp>
#include <Core/Utils/numeric/bindings/is_mutable.hpp>
#include <Core/Utils/numeric/bindings/remove_imaginary.hpp>
#include <Core/Utils/numeric/bindings/size.hpp>
#include <Core/Utils/numeric/bindings/stride.hpp>
#include <Core/Utils/numeric/bindings/trans_tag.hpp>
#include <Core/Utils/numeric/bindings/uplo_tag.hpp>
#include <Core/Utils/numeric/bindings/value_type.hpp>
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/remove_const.hpp>
//
// The BLAS-backend is selected by defining a pre-processor variable,
// which can be one of
// * for CBLAS, define BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
// * for CUBLAS, define BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
// * netlib-compatible BLAS is the default
//
#if defined BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
#include <Core/Utils/numeric/bindings/blas/detail/cblas.h>
#include <Core/Utils/numeric/bindings/blas/detail/cblas_option.hpp>
#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
#include <Core/Utils/numeric/bindings/blas/detail/cublas.h>
#include <Core/Utils/numeric/bindings/blas/detail/blas_option.hpp>
#else
#include <Core/Utils/numeric/bindings/blas/detail/blas.h>
#include <Core/Utils/numeric/bindings/blas/detail/blas_option.hpp>
#endif
namespace boost {
namespace numeric {
namespace bindings {
namespace blas {
//
// The detail namespace contains value-type-overloaded functions that
// dispatch to the appropriate back-end BLAS-routine.
//
namespace detail {
#if defined BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * float value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const float* a, const int lda, float* x,
const int incx ) {
cblas_strsv( cblas_option< Order >::value, cblas_option< UpLo >::value,
cblas_option< Trans >::value, cblas_option< Diag >::value, n, a,
lda, x, incx );
}
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * double value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const double* a, const int lda, double* x,
const int incx ) {
cblas_dtrsv( cblas_option< Order >::value, cblas_option< UpLo >::value,
cblas_option< Trans >::value, cblas_option< Diag >::value, n, a,
lda, x, incx );
}
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * complex<float> value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const std::complex<float>* a, const int lda,
std::complex<float>* x, const int incx ) {
cblas_ctrsv( cblas_option< Order >::value, cblas_option< UpLo >::value,
cblas_option< Trans >::value, cblas_option< Diag >::value, n, a,
lda, x, incx );
}
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * complex<double> value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const std::complex<double>* a, const int lda,
std::complex<double>* x, const int incx ) {
cblas_ztrsv( cblas_option< Order >::value, cblas_option< UpLo >::value,
cblas_option< Trans >::value, cblas_option< Diag >::value, n, a,
lda, x, incx );
}
#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * float value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const float* a, const int lda, float* x,
const int incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
cublasStrsv( blas_option< UpLo >::value, blas_option< Trans >::value,
blas_option< Diag >::value, n, a, lda, x, incx );
}
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * double value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const double* a, const int lda, double* x,
const int incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
cublasDtrsv( blas_option< UpLo >::value, blas_option< Trans >::value,
blas_option< Diag >::value, n, a, lda, x, incx );
}
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * complex<float> value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const std::complex<float>* a, const int lda,
std::complex<float>* x, const int incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
cublasCtrsv( blas_option< UpLo >::value, blas_option< Trans >::value,
blas_option< Diag >::value, n, a, lda, x, incx );
}
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * complex<double> value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const int n, const std::complex<double>* a, const int lda,
std::complex<double>* x, const int incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
cublasZtrsv( blas_option< UpLo >::value, blas_option< Trans >::value,
blas_option< Diag >::value, n, a, lda, x, incx );
}
#else
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * float value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const fortran_int_t n, const float* a, const fortran_int_t lda,
float* x, const fortran_int_t incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
BLAS_STRSV( &blas_option< UpLo >::value, &blas_option< Trans >::value,
&blas_option< Diag >::value, &n, a, &lda, x, &incx );
}
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * double value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const fortran_int_t n, const double* a, const fortran_int_t lda,
double* x, const fortran_int_t incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
BLAS_DTRSV( &blas_option< UpLo >::value, &blas_option< Trans >::value,
&blas_option< Diag >::value, &n, a, &lda, x, &incx );
}
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * complex<float> value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const fortran_int_t n, const std::complex<float>* a,
const fortran_int_t lda, std::complex<float>* x,
const fortran_int_t incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
BLAS_CTRSV( &blas_option< UpLo >::value, &blas_option< Trans >::value,
&blas_option< Diag >::value, &n, a, &lda, x, &incx );
}
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * complex<double> value-type.
//
template< typename Order, typename UpLo, typename Trans, typename Diag >
inline void trsv( const Order, const UpLo, const Trans, const Diag,
const fortran_int_t n, const std::complex<double>* a,
const fortran_int_t lda, std::complex<double>* x,
const fortran_int_t incx ) {
BOOST_STATIC_ASSERT( (is_same<Order, tag::column_major>::value) );
BLAS_ZTRSV( &blas_option< UpLo >::value, &blas_option< Trans >::value,
&blas_option< Diag >::value, &n, a, &lda, x, &incx );
}
#endif
} // namespace detail
//
// Value-type based template class. Use this class if you need a type
// for dispatching to trsv.
//
template< typename Value >
struct trsv_impl {
typedef Value value_type;
typedef typename remove_imaginary< Value >::type real_type;
typedef void result_type;
//
// Static member function that
// * Deduces the required arguments for dispatching to BLAS, and
// * Asserts that most arguments make sense.
//
template< typename MatrixA, typename VectorX >
static result_type invoke( const MatrixA& a, VectorX& x ) {
namespace bindings = ::boost::numeric::bindings;
typedef typename detail::default_order< MatrixA >::type order;
typedef typename result_of::trans_tag< MatrixA, order >::type trans;
typedef typename result_of::uplo_tag< MatrixA, trans >::type uplo;
typedef typename result_of::diag_tag< MatrixA >::type diag;
BOOST_STATIC_ASSERT( (is_same< typename remove_const<
typename bindings::value_type< MatrixA >::type >::type,
typename remove_const< typename bindings::value_type<
VectorX >::type >::type >::value) );
BOOST_STATIC_ASSERT( (bindings::has_linear_array< MatrixA >::value) );
BOOST_STATIC_ASSERT( (bindings::has_linear_array< VectorX >::value) );
BOOST_STATIC_ASSERT( (bindings::is_mutable< VectorX >::value) );
BOOST_ASSERT( bindings::size_minor(a) == 1 ||
bindings::stride_minor(a) == 1 );
detail::trsv( order(), uplo(), trans(), diag(),
bindings::size_column_op(a, trans()),
bindings::begin_value(a), bindings::stride_major(a),
bindings::begin_value(x), bindings::stride(x) );
}
};
//
// Functions for direct use. These functions are overloaded for temporaries,
// so that wrapped types can still be passed and used for write-access. Calls
// to these functions are passed to the trsv_impl classes. In the
// documentation, the const-overloads are collapsed to avoid a large number of
// prototypes which are very similar.
//
//
// Overloaded function for trsv. Its overload differs for
//
template< typename MatrixA, typename VectorX >
inline typename trsv_impl< typename bindings::value_type<
MatrixA >::type >::result_type
trsv( const MatrixA& a, VectorX& x ) {
trsv_impl< typename bindings::value_type<
MatrixA >::type >::invoke( a, x );
}
} // namespace blas
} // namespace bindings
} // namespace numeric
} // namespace boost
#endif