Mercurial > octave
view liboctave/array/MDiagArray2.h @ 23219:3ac9f9ecfae5 stable
maint: Update copyright dates.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 22 Feb 2017 12:39:29 -0500 |
parents | e9a0469dedd9 |
children | 092078913d54 |
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// Template array classes with like-type math ops /* Copyright (C) 1996-2017 John W. Eaton Copyright (C) 2010 VZLU Prague This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if ! defined (octave_MDiagArray2_h) #define octave_MDiagArray2_h 1 #include "octave-config.h" #include "DiagArray2.h" #include "MArray.h" template <typename T> class MDiagArray2; template <typename T> MDiagArray2<T> operator + (const MDiagArray2<T>&); template <typename T> MDiagArray2<T> operator - (const MDiagArray2<T>&); template <typename T> MDiagArray2<T> operator * (const MDiagArray2<T>&, const T&); template <typename T> MDiagArray2<T> operator / (const MDiagArray2<T>&, const T&); template <typename T> MDiagArray2<T> operator * (const T&, const MDiagArray2<T>&); template <typename T> MDiagArray2<T> operator + (const MDiagArray2<T>&, const MDiagArray2<T>&); template <typename T> MDiagArray2<T> operator - (const MDiagArray2<T>&, const MDiagArray2<T>&); template <typename T> MDiagArray2<T> product (const MDiagArray2<T>&, const MDiagArray2<T>&); //! Template for two dimensional diagonal array with math operators. template <typename T> class MDiagArray2 : public DiagArray2<T> { public: MDiagArray2 (void) : DiagArray2<T> () { } MDiagArray2 (octave_idx_type r, octave_idx_type c) : DiagArray2<T> (r, c) { } MDiagArray2 (octave_idx_type r, octave_idx_type c, const T& val) : DiagArray2<T> (r, c, val) { } MDiagArray2 (const MDiagArray2<T>& a) : DiagArray2<T> (a) { } MDiagArray2 (const DiagArray2<T>& a) : DiagArray2<T> (a) { } template <typename U> MDiagArray2 (const DiagArray2<U>& a) : DiagArray2<T> (a) { } explicit MDiagArray2 (const Array<T>& a) : DiagArray2<T> (a) { } MDiagArray2 (const Array<T>& a, octave_idx_type r, octave_idx_type c) : DiagArray2<T> (a, r, c) { } ~MDiagArray2 (void) { } MDiagArray2<T>& operator = (const MDiagArray2<T>& a) { DiagArray2<T>::operator = (a); return *this; } MArray<T> array_value () const { return DiagArray2<T>::array_value (); } octave_idx_type nnz (void) const { octave_idx_type retval = 0; const T *d = this->data (); octave_idx_type nel = this->length (); for (octave_idx_type i = 0; i < nel; i++) { if (d[i] != T ()) retval++; } return retval; } MArray<T> diag (octave_idx_type k = 0) const { return DiagArray2<T>::extract_diag (k); } MDiagArray2<T> transpose (void) const { return DiagArray2<T>::transpose (); } MDiagArray2<T> hermitian (T (*fcn) (const T&) = 0) const { return DiagArray2<T>::hermitian (fcn); } bool is_multiple_of_identity (T val) const; // Currently, the OPS functions don't need to be friends, but that // may change. friend MDiagArray2<T> operator + <> (const MDiagArray2<T>&); friend MDiagArray2<T> operator - <> (const MDiagArray2<T>&); friend MDiagArray2<T> operator * <> (const MDiagArray2<T>&, const T&); friend MDiagArray2<T> operator / <> (const MDiagArray2<T>&, const T&); friend MDiagArray2<T> operator * <> (const T&, const MDiagArray2<T>&); friend MDiagArray2<T> operator + <> (const MDiagArray2<T>&, const MDiagArray2<T>&); friend MDiagArray2<T> operator - <> (const MDiagArray2<T>&, const MDiagArray2<T>&); friend MDiagArray2<T> product <> (const MDiagArray2<T>&, const MDiagArray2<T>&); }; #define MDIAGARRAY2_FORWARD_DEFS(B, R, T) \ inline R \ operator + (const R& x) \ { \ return R (operator + (dynamic_cast<const B<T>&> (x))); \ } \ inline R \ operator - (const R& x) \ { \ return R (operator - (dynamic_cast<const B<T>&> (x))); \ } \ inline R \ operator * (const R& x, const T& y) \ { \ return R (operator * (dynamic_cast<const B<T>&> (x), (y))); \ } \ inline R \ operator / (const R& x, const T& y) \ { \ return R (operator / (dynamic_cast<const B<T>&> (x), (y))); \ } \ inline R \ operator * (const T& x, const R& y) \ { \ return R (operator * ( (x), dynamic_cast<const B<T>&> (y))); \ } \ inline R \ operator + (const R& x, const R& y) \ { \ return R (operator + (dynamic_cast<const B<T>&> (x), \ dynamic_cast<const B<T>&> (y))); \ } \ inline R \ operator - (const R& x, const R& y) \ { \ return R (operator - (dynamic_cast<const B<T>&> (x), \ dynamic_cast<const B<T>&> (y))); \ } \ inline R \ product (const R& x, const R& y) \ { \ return R (product (dynamic_cast<const B<T>&> (x), \ dynamic_cast<const B<T>&> (y))); \ } #endif