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/*
* Copyright (c) 2012, Michael Lehn, Klaus Pototzky * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1) Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3) Neither the name of the FLENS development group nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef FLENS_MATRIXTYPES_GENERAL_IMPL_GBMATRIX_H #define FLENS_MATRIXTYPES_GENERAL_IMPL_GBMATRIX_H 1 #include <cxxblas/typedefs.h> #include <flens/auxiliary/auxiliary.h> #include <flens/typedefs.h> #include <flens/matrixtypes/general/generalmatrix.h> #include <flens/typedefs.h> namespace flens { // forward declarations template <typename A> class DenseVector; template <typename FS> class TbMatrix; template <typename FS> class GbMatrix : public GeneralMatrix<GbMatrix<FS> > { public: typedef FS Engine; typedef typename Engine::ElementType ElementType; typedef typename Engine::IndexType IndexType; // view types from Engine typedef typename Engine::ConstView EngineConstView; typedef typename Engine::View EngineView; typedef typename Engine::NoView EngineNoView; typedef typename Engine::ConstArrayView ConstArrayView; typedef typename Engine::ArrayView ArrayView; typedef typename Engine::Array Array; // view types typedef DenseVector<ConstArrayView> ConstVectorView; typedef DenseVector<ArrayView> VectorView; typedef DenseVector<Array> Vector; typedef GbMatrix<EngineConstView> ConstView; typedef GbMatrix<EngineView> View; typedef GbMatrix<EngineNoView> NoView; typedef TbMatrix<EngineConstView> ConstTriangularView; typedef TbMatrix<EngineView> TriangularView; typedef TbMatrix<EngineNoView> TriangularNoView; GbMatrix(); explicit GbMatrix(IndexType m, IndexType n, IndexType numSubDiags, IndexType numSuperDiags, IndexType firstIndex = Engine::defaultIndexBase); GbMatrix(const Engine &engine); GbMatrix(const GbMatrix &rhs); template <typename RHS> GbMatrix(const GbMatrix<RHS> &rhs); template <typename RHS> GbMatrix(GbMatrix<RHS> &rhs); template <typename RHS> GbMatrix(const Matrix<RHS> &rhs); // -- operators -------------------------------------------------------- GbMatrix & operator=(const GbMatrix &rhs); template <typename RHS> GbMatrix & operator=(const Matrix<RHS> &rhs); template <typename RHS> GbMatrix & operator+=(const Matrix<RHS> &rhs); template <typename RHS> GbMatrix & operator-=(const Matrix<RHS> &rhs); GbMatrix<FS> & operator=(const ElementType &alpha); GbMatrix<FS> & operator+=(const ElementType &alpha); GbMatrix<FS> & operator-=(const ElementType &alpha); GbMatrix & operator*=(const ElementType &alpha); GbMatrix & operator/=(const ElementType &alpha); const ElementType & operator()(IndexType row, IndexType col) const; ElementType & operator()(IndexType row, IndexType col); // -- views ------------------------------------------------------------ // triangular views // upper const ConstTriangularView upper(Diag diag = NonUnit) const; TriangularView upper(Diag diag = NonUnit); const ConstView strictUpper() const; View strictUpper(); // triangular view const ConstTriangularView lower(Diag diag = NonUnit) const; TriangularView lower(Diag diag = NonUnit); const ConstView strictLower() const; View strictLower(); const ConstVectorView diag(IndexType diag) const; VectorView diag(IndexType diag); const ConstView diags(IndexType fromDiag, IndexType toDiag) const; View diags(IndexType fromDiag, IndexType toDiag); // -- methods ---------------------------------------------------------- IndexType numCols() const; IndexType numRows() const; IndexType firstCol() const; IndexType lastCol() const; IndexType firstRow() const; IndexType lastRow() const; IndexType firstIndex() const; IndexType lastIndex() const; IndexType numSubDiags() const; IndexType numSuperDiags() const; IndexType leadingDimension() const; StorageOrder order() const; const ElementType * data() const; ElementType * data(); template <typename RHS> bool resize(const GbMatrix<RHS> &rhs, const ElementType &value = ElementType()); bool resize(IndexType numRow, IndexType numCols, IndexType numSubDiags, IndexType numSuperDiags, IndexType firstIndex = Engine::defaultIndexBase, const ElementType &value = ElementType()); bool fill(const ElementType &value = ElementType(0)); bool fillRandom(); // -- implementation --------------------------------------------------- const Engine & engine() const; Engine & engine(); private: Engine _engine; }; //-- Traits -------------------------------------------------------------------- // // IsGbMatrix // struct _GbMatrixChecker { struct Two { char x; char y; }; static Two check(_AnyConversion); template <typename Any> static char check(GbMatrix<Any>); }; template <typename T> struct IsGbMatrix { static T var; static const bool value = sizeof(_GbMatrixChecker::check(var))==1; }; // // IsRealGbMatrix // template <typename T> struct IsRealGbMatrix { typedef typename std::remove_reference<T>::type TT; static const bool value = IsGbMatrix<TT>::value && IsNotComplex<typename TT::ElementType>::value; }; // // IsComplexGbMatrix // template <typename T> struct IsComplexGbMatrix { typedef typename std::remove_reference<T>::type TT; static const bool value = IsGbMatrix<TT>::value && IsComplex<typename TT::ElementType>::value; }; } // namespace flens #endif // FLENS_MATRIXTYPES_GENERAL_IMPL_GBMATRIX_H |