You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.8 KiB
150 lines
4.8 KiB
// |
|
// 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_LEVEL1_PREC_DOT_HPP |
|
#define BOOST_NUMERIC_BINDINGS_BLAS_LEVEL1_PREC_DOT_HPP |
|
|
|
#include <boost/assert.hpp> |
|
#include <boost/numeric/bindings/begin.hpp> |
|
#include <boost/numeric/bindings/has_linear_array.hpp> |
|
#include <boost/numeric/bindings/is_mutable.hpp> |
|
#include <boost/numeric/bindings/remove_imaginary.hpp> |
|
#include <boost/numeric/bindings/size.hpp> |
|
#include <boost/numeric/bindings/stride.hpp> |
|
#include <boost/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 <boost/numeric/bindings/blas/detail/cblas.h> |
|
#include <boost/numeric/bindings/blas/detail/cblas_option.hpp> |
|
#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS |
|
#include <boost/numeric/bindings/blas/detail/cublas.h> |
|
#include <boost/numeric/bindings/blas/detail/blas_option.hpp> |
|
#else |
|
#include <boost/numeric/bindings/blas/detail/blas.h> |
|
#include <boost/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 |
|
// * double value-type. |
|
// |
|
inline double prec_dot( const int n, const float* x, const int incx, |
|
const float* y, const int incy ) { |
|
return cblas_dsdot( n, x, incx, y, incy ); |
|
} |
|
|
|
#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS |
|
// |
|
// Overloaded function for dispatching to |
|
// * CUBLAS backend, and |
|
// * double value-type. |
|
// |
|
inline double prec_dot( const int n, const float* x, const int incx, |
|
const float* y, const int incy ) { |
|
return // NOT FOUND(); |
|
} |
|
|
|
#else |
|
// |
|
// Overloaded function for dispatching to |
|
// * netlib-compatible BLAS backend (the default), and |
|
// * double value-type. |
|
// |
|
inline double prec_dot( const fortran_int_t n, const float* x, |
|
const fortran_int_t incx, const float* y, const fortran_int_t incy ) { |
|
return BLAS_DSDOT( &n, x, &incx, y, &incy ); |
|
} |
|
|
|
#endif |
|
|
|
} // namespace detail |
|
|
|
// |
|
// Value-type based template class. Use this class if you need a type |
|
// for dispatching to prec_dot. |
|
// |
|
template< typename Value > |
|
struct prec_dot_impl { |
|
|
|
typedef Value value_type; |
|
typedef typename remove_imaginary< Value >::type real_type; |
|
typedef double result_type; |
|
|
|
// |
|
// Static member function that |
|
// * Deduces the required arguments for dispatching to BLAS, and |
|
// * Asserts that most arguments make sense. |
|
// |
|
template< typename VectorX, typename VectorY > |
|
static result_type invoke( const VectorX& x, const VectorY& y ) { |
|
namespace bindings = ::boost::numeric::bindings; |
|
BOOST_STATIC_ASSERT( (is_same< typename remove_const< |
|
typename bindings::value_type< VectorX >::type >::type, |
|
typename remove_const< typename bindings::value_type< |
|
VectorY >::type >::type >::value) ); |
|
BOOST_STATIC_ASSERT( (bindings::has_linear_array< VectorX >::value) ); |
|
BOOST_STATIC_ASSERT( (bindings::has_linear_array< VectorY >::value) ); |
|
return detail::prec_dot( bindings::size(x), |
|
bindings::begin_value(x), bindings::stride(x), |
|
bindings::begin_value(y), bindings::stride(y) ); |
|
} |
|
}; |
|
|
|
// |
|
// 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 prec_dot_impl classes. In the |
|
// documentation, the const-overloads are collapsed to avoid a large number of |
|
// prototypes which are very similar. |
|
// |
|
|
|
// |
|
// Overloaded function for prec_dot. Its overload differs for |
|
// |
|
template< typename VectorX, typename VectorY > |
|
inline typename prec_dot_impl< typename bindings::value_type< |
|
VectorX >::type >::result_type |
|
prec_dot( const VectorX& x, const VectorY& y ) { |
|
return prec_dot_impl< typename bindings::value_type< |
|
VectorX >::type >::invoke( x, y ); |
|
} |
|
|
|
} // namespace blas |
|
} // namespace bindings |
|
} // namespace numeric |
|
} // namespace boost |
|
|
|
#endif
|
|
|