mirror of
https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
3036eeca0a
release of tvmet (inactive for 2 years and developer unreachable) as the basis for eigen2, because it provides seemingly good expression template mechanisms, we want that, and it would take years to reinvent that wheel. We'll see. So this commit imports the last tvmet release.
387 lines
12 KiB
C++
387 lines
12 KiB
C++
/*
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* Tiny Vector Matrix Library
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* Dense Vector Matrix Libary of Tiny size using Expression Templates
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*
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* Copyright (C) 2001 - 2003 Olaf Petzold <opetzold@users.sourceforge.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* lesser General Public License for more details.
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*
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* You should have received a copy of the GNU lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: MatrixEval.h,v 1.14 2004/06/10 16:36:55 opetzold Exp $
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*/
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#ifndef TVMET_MATRIX_EVAL_H
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#define TVMET_MATRIX_EVAL_H
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namespace tvmet {
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/**
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* \fn bool all_elements(const XprMatrix<E, Rows, Cols>& e)
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* \brief check on statements for all elements
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* \ingroup _unary_function
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* This is for use with boolean operators like
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* \par Example:
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* \code
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* all_elements(matrix > 0) {
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* // true branch
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* } else {
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* // false branch
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* }
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* \endcode
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* \sa \ref compare
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*/
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template<class E, std::size_t Rows, std::size_t Cols>
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inline
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bool all_elements(const XprMatrix<E, Rows, Cols>& e) {
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return meta::Matrix<Rows, Cols, 0, 0>::all_elements(e);
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}
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/**
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* \fn bool any_elements(const XprMatrix<E, Rows, Cols>& e)
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* \brief check on statements for any elements
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* \ingroup _unary_function
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* This is for use with boolean operators like
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* \par Example:
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* \code
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* any_elements(matrix > 0) {
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* // true branch
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* } else {
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* // false branch
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* }
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* \endcode
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* \sa \ref compare
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*/
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template<class E, std::size_t Rows, std::size_t Cols>
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inline
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bool any_elements(const XprMatrix<E, Rows, Cols>& e) {
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return meta::Matrix<Rows, Cols, 0, 0>::any_elements(e);
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}
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/*
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* trinary evaluation functions with matrizes and xpr of
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*
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* XprMatrix<E1, Rows, Cols> ? Matrix<T2, Rows, Cols> : Matrix<T3, Rows, Cols>
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* XprMatrix<E1, Rows, Cols> ? Matrix<T2, Rows, Cols> : XprMatrix<E3, Rows, Cols>
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* XprMatrix<E1, Rows, Cols> ? XprMatrix<E2, Rows, Cols> : Matrix<T3, Rows, Cols>
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* XprMatrix<E1, Rows, Cols> ? XprMatrix<E2, Rows, Cols> : XprMatrix<E3, Rows, Cols>
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*/
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/**
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* \fn eval(const XprMatrix<E1, Rows, Cols>& e1, const Matrix<T2, Rows, Cols>& m2, const Matrix<T3, Rows, Cols>& m3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E1, class T2, class T3, std::size_t Rows, std::size_t Cols>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E1, Rows, Cols>,
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MatrixConstReference<T2, Rows, Cols>,
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MatrixConstReference<T3, Rows, Cols>
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E1, Rows, Cols>& e1,
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const Matrix<T2, Rows, Cols>& m2,
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const Matrix<T3, Rows, Cols>& m3) {
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typedef XprEval<
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XprMatrix<E1, Rows, Cols>,
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MatrixConstReference<T2, Rows, Cols>,
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MatrixConstReference<T3, Rows, Cols>
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(
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expr_type(e1, m2.const_ref(), m3.const_ref()));
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}
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/**
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* \fn eval(const XprMatrix<E1, Rows, Cols>& e1, const Matrix<T2, Rows, Cols>& m2, const XprMatrix<E3, Rows, Cols>& e3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E1, class T2, class E3, std::size_t Rows, std::size_t Cols>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E1, Rows, Cols>,
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MatrixConstReference<T2, Rows, Cols>,
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XprMatrix<E3, Rows, Cols>
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E1, Rows, Cols>& e1,
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const Matrix<T2, Rows, Cols>& m2,
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const XprMatrix<E3, Rows, Cols>& e3) {
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typedef XprEval<
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XprMatrix<E1, Rows, Cols>,
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MatrixConstReference<T2, Rows, Cols>,
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XprMatrix<E3, Rows, Cols>
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(
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expr_type(e1, m2.const_ref(), e3));
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}
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/**
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* \fn eval(const XprMatrix<E1, Rows, Cols>& e1, const XprMatrix<E2, Rows, Cols>& e2, const Matrix<T3, Rows, Cols>& m3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E1, class E2, class T3, std::size_t Rows, std::size_t Cols>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprMatrix<E2, Rows, Cols>,
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MatrixConstReference<T3, Rows, Cols>
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E1, Rows, Cols>& e1,
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const XprMatrix<E2, Rows, Cols>& e2,
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const Matrix<T3, Rows, Cols>& m3) {
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typedef XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprMatrix<E2, Rows, Cols>,
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MatrixConstReference<T3, Rows, Cols>
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(
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expr_type(e1, e2, m3.const_ref()));
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}
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/**
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* \fn eval(const XprMatrix<E1, Rows, Cols>& e1, const XprMatrix<E2, Rows, Cols>& e2, const XprMatrix<E3, Rows, Cols>& e3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E1, class E2, class E3, std::size_t Rows, std::size_t Cols>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprMatrix<E2, Rows, Cols>,
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XprMatrix<E3, Rows, Cols>
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E1, Rows, Cols>& e1,
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const XprMatrix<E2, Rows, Cols>& e2,
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const XprMatrix<E3, Rows, Cols>& e3) {
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typedef XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprMatrix<E2, Rows, Cols>,
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XprMatrix<E3, Rows, Cols>
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(expr_type(e1, e2, e3));
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}
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/*
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* trinary evaluation functions with matrizes, xpr of and POD
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*
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* XprMatrix<E, Rows, Cols> ? POD1 : POD2
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* XprMatrix<E1, Rows, Cols> ? POD : XprMatrix<E3, Rows, Cols>
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* XprMatrix<E1, Rows, Cols> ? XprMatrix<E2, Rows, Cols> : POD
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*/
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#define TVMET_IMPLEMENT_MACRO(POD) \
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template<class E, std::size_t Rows, std::size_t Cols> \
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inline \
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XprMatrix< \
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XprEval< \
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XprMatrix<E, Rows, Cols>, \
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XprLiteral< POD >, \
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XprLiteral< POD > \
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>, \
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Rows, Cols \
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> \
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eval(const XprMatrix<E, Rows, Cols>& e, POD x2, POD x3) { \
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typedef XprEval< \
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XprMatrix<E, Rows, Cols>, \
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XprLiteral< POD >, \
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XprLiteral< POD > \
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> expr_type; \
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return XprMatrix<expr_type, Rows, Cols>( \
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expr_type(e, XprLiteral< POD >(x2), XprLiteral< POD >(x3))); \
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} \
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\
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template<class E1, class E3, std::size_t Rows, std::size_t Cols> \
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inline \
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XprMatrix< \
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XprEval< \
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XprMatrix<E1, Rows, Cols>, \
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XprLiteral< POD >, \
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XprMatrix<E3, Rows, Cols> \
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>, \
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Rows, Cols \
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> \
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eval(const XprMatrix<E1, Rows, Cols>& e1, POD x2, const XprMatrix<E3, Rows, Cols>& e3) { \
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typedef XprEval< \
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XprMatrix<E1, Rows, Cols>, \
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XprLiteral< POD >, \
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XprMatrix<E3, Rows, Cols> \
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> expr_type; \
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return XprMatrix<expr_type, Rows, Cols>( \
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expr_type(e1, XprLiteral< POD >(x2), e3)); \
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} \
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\
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template<class E1, class E2, std::size_t Rows, std::size_t Cols> \
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inline \
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XprMatrix< \
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XprEval< \
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XprMatrix<E1, Rows, Cols>, \
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XprMatrix<E2, Rows, Cols>, \
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XprLiteral< POD > \
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>, \
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Rows, Cols \
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> \
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eval(const XprMatrix<E1, Rows, Cols>& e1, const XprMatrix<E2, Rows, Cols>& e2, POD x3) { \
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typedef XprEval< \
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XprMatrix<E1, Rows, Cols>, \
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XprMatrix<E2, Rows, Cols>, \
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XprLiteral< POD > \
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> expr_type; \
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return XprMatrix<expr_type, Rows, Cols>( \
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expr_type(e1, e2, XprLiteral< POD >(x3))); \
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}
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TVMET_IMPLEMENT_MACRO(int)
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#if defined(TVMET_HAVE_LONG_LONG)
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TVMET_IMPLEMENT_MACRO(long long int)
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#endif
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TVMET_IMPLEMENT_MACRO(float)
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TVMET_IMPLEMENT_MACRO(double)
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#if defined(TVMET_HAVE_LONG_DOUBLE)
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TVMET_IMPLEMENT_MACRO(long double)
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#endif
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#undef TVMET_IMPLEMENT_MACRO
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/*
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* trinary evaluation functions with matrizes, xpr of and complex<> types
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*
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* XprMatrix<E, Rows, Cols> e, std::complex<T> z2, std::complex<T> z3
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* XprMatrix<E1, Rows, Cols> e1, std::complex<T> z2, XprMatrix<E3, Rows, Cols> e3
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* XprMatrix<E1, Rows, Cols> e1, XprMatrix<E2, Rows, Cols> e2, std::complex<T> z3
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*/
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#if defined(TVMET_HAVE_COMPLEX)
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/**
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* \fn eval(const XprMatrix<E, Rows, Cols>& e, const std::complex<T>& x2, const std::complex<T>& x3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E, std::size_t Rows, std::size_t Cols, class T>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E, Rows, Cols>,
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XprLiteral< std::complex<T> >,
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XprLiteral< std::complex<T> >
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E, Rows, Cols>& e, const std::complex<T>& x2, const std::complex<T>& x3) {
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typedef XprEval<
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XprMatrix<E, Rows, Cols>,
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XprLiteral< std::complex<T> >,
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XprLiteral< std::complex<T> >
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(
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expr_type(e, XprLiteral< std::complex<T> >(x2), XprLiteral< std::complex<T> >(x3)));
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}
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/**
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* \fn eval(const XprMatrix<E1, Rows, Cols>& e1, const std::complex<T>& x2, const XprMatrix<E3, Rows, Cols>& e3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E1, class E3, std::size_t Rows, std::size_t Cols, class T>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprLiteral< std::complex<T> >,
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XprMatrix<E3, Rows, Cols>
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E1, Rows, Cols>& e1, const std::complex<T>& x2, const XprMatrix<E3, Rows, Cols>& e3) {
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typedef XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprLiteral< std::complex<T> >,
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XprMatrix<E3, Rows, Cols>
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(
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expr_type(e1, XprLiteral< std::complex<T> >(x2), e3));
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}
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/**
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* \fn eval(const XprMatrix<E1, Rows, Cols>& e1, const XprMatrix<E2, Rows, Cols>& e2, const std::complex<T>& x3)
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* \brief Evals the matrix expressions.
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* \ingroup _trinary_function
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* This eval is for the a?b:c syntax, since it's not allowed to overload
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* these operators.
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*/
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template<class E1, class E2, std::size_t Rows, std::size_t Cols, class T>
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inline
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XprMatrix<
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XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprMatrix<E2, Rows, Cols>,
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XprLiteral< std::complex<T> >
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>,
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Rows, Cols
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>
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eval(const XprMatrix<E1, Rows, Cols>& e1, const XprMatrix<E2, Rows, Cols>& e2, const std::complex<T>& x3) {
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typedef XprEval<
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XprMatrix<E1, Rows, Cols>,
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XprMatrix<E2, Rows, Cols>,
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XprLiteral< std::complex<T> >
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> expr_type;
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return XprMatrix<expr_type, Rows, Cols>(
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expr_type(e1, e2, XprLiteral< std::complex<T> >(x3)));
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}
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#endif // defined(TVMET_HAVE_COMPLEX)
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} // namespace tvmet
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#endif // TVMET_MATRIX_EVAL_H
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// Local Variables:
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// mode:C++
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// End:
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