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43 lines
1.0 KiB
43 lines
1.0 KiB
/** |
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* -*- c++ -*- |
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* |
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* \file num_columns.hpp |
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* |
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* \brief The \c num_columns operation. |
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* |
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* Copyright (c) 2009, Marco Guazzone |
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* |
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* Distributed under the Boost Software License, Version 1.0. (See |
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* 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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* \author Marco Guazzone, marco.guazzone@gmail.com |
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*/ |
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#ifndef BOOST_NUMERIC_UBLAS_OPERATION_NUM_COLUMNS_HPP |
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#define BOOST_NUMERIC_UBLAS_OPERATION_NUM_COLUMNS_HPP |
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#include <boost/numeric/ublas/detail/config.hpp> |
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namespace boost { namespace numeric { namespace ublas { |
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/** |
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* \brief Return the number of columns. |
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* \tparam MatrixExprT A type which models the matrix expression concept. |
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* \param m A matrix expression. |
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* \return The number of columns. |
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*/ |
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template <typename MatrixExprT> |
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BOOST_UBLAS_INLINE |
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typename MatrixExprT::size_type num_columns(MatrixExprT const& m) |
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{ |
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return m.size2(); |
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} |
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}}} // Namespace boost::numeric::ublas |
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#endif // BOOST_NUMERIC_UBLAS_OPERATION_NUM_COLUMNS_HPP
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