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/*
* Copyright (c) 2007, Michael Lehn * Copyright (c) 2012, Michael Lehn * * 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_BLAS_CLOSURES_LEVEL1_AXPY_H #define FLENS_BLAS_CLOSURES_LEVEL1_AXPY_H 1 #include <flens/blas/closures/tweaks/defaulteval.h> #include <flens/blas/operators/operators.h> #include <flens/matrixtypes/matrixtypes.h> #include <flens/typedefs.h> #include <flens/vectortypes/vectortypes.h> namespace flens { namespace blas { //-- vector closures ----------------------------------------------------------- // y += conjugate(x) template <typename ALPHA, typename VL, typename VR, typename VY> typename RestrictTo<VCDefaultEval<OpConj, VL, VR>::value && IsVector<VL>::value && IsVector<VR>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpConj, VL, VR> &x, Vector<VY> &y); // y += x1 + x2 template <typename ALPHA, typename VL, typename VR, typename VY> typename RestrictTo<VCDefaultEval<OpAdd, VL, VR>::value && IsVector<VL>::value && IsVector<VR>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpAdd, VL, VR> &x, Vector<VY> &y); // y += x1 - x2 template <typename ALPHA, typename VL, typename VR, typename VY> typename RestrictTo<VCDefaultEval<OpSub, VL, VR>::value && IsVector<VL>::value && IsVector<VR>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpSub, VL, VR> &x, Vector<VY> &y); // y += scalar*x template <typename ALPHA, typename SV, typename VX, typename VY> typename RestrictTo<VCDefaultEval<OpMult, SV, VX>::value && IsScalarValue<SV>::value && IsVector<VX>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpMult, SV, VX> &x, Vector<VY> &y); // y += x/scalar template <typename ALPHA, typename VX, typename SV, typename VY> typename RestrictTo<VCDefaultEval<OpDiv, VX, SV>::value && IsScalarValue<SV>::value && IsVector<VX>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpDiv, VX, SV> &x, Vector<VY> &y); // y += A*x template <typename ALPHA, typename ML, typename VR, typename VY> typename RestrictTo<VCDefaultEval<OpMult, ML, VR>::value && IsMatrix<ML>::value && IsVector<VR>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpMult, ML, VR> &Ax, Vector<VY> &y); // y += x*A template <typename ALPHA, typename VL, typename MR, typename VY> typename RestrictTo<VCDefaultEval<OpMult, VL, MR>::value && IsVector<VL>::value && IsMatrix<MR>::value, void>::Type axpy(const ALPHA &alpha, const VectorClosure<OpMult, VL, MR> &xA, Vector<VY> &y); // // This gets called if everything else fails // // y += <Unknown Closure> template <typename ALPHA, typename Op, typename VL, typename VR, typename VY> void axpy(const ALPHA &alpha, const VectorClosure<Op, VL, VR> &x, Vector<VY> &y); //-- matrix closures ----------------------------------------------------------- // // In the following comments op(X) denotes x, X^T or X^H // // B += alpha*op(A1 + A2) template <typename ALPHA, typename ML, typename MR, typename MB> typename RestrictTo<MCDefaultEval<OpAdd, ML, MR>::value && IsMatrix<ML>::value && IsMatrix<MR>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosure<OpAdd, ML, MR> &A, Matrix<MB> &B); // B += alpha*op(A1 - A2) template <typename ALPHA, typename ML, typename MR, typename MB> typename RestrictTo<MCDefaultEval<OpSub, ML, MR>::value && IsMatrix<ML>::value && IsMatrix<MR>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosure<OpSub, ML, MR> &A, Matrix<MB> &B); // B += scalar*op(A) template <typename ALPHA, typename SV, typename MA, typename MB> typename RestrictTo<MCDefaultEval<OpMult, SV, MA>::value && IsScalarValue<SV>::value && IsMatrix<MA>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosure<OpMult, SV, MA> &A, Matrix<MB> &B); // B += op(A)/scalar template <typename ALPHA, typename MA, typename SV, typename MB> typename RestrictTo<MCDefaultEval<OpDiv, MA, SV>::value && IsMatrix<MA>::value && IsScalarValue<SV>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosure<OpDiv, MA, SV> &A, Matrix<MB> &B); // B += op(conjugate(A)) template <typename ALPHA, typename MA, typename MB> typename RestrictTo<DefaultEval<MatrixClosureOpConj<MA> >::value && IsMatrix<MA>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosureOpConj<MA> &A, Matrix<MB> &B); // B += op(A^T) template <typename ALPHA, typename MA, typename MB> typename RestrictTo<DefaultEval<MatrixClosureOpTrans<MA> >::value && IsMatrix<MA>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosureOpTrans<MA> &A, Matrix<MB> &B); // C += A*B template <typename ALPHA, typename MA, typename MB, typename MC> typename RestrictTo<MCDefaultEval<OpMult, MA, MB>::value && IsMatrix<MA>::value && IsMatrix<MB>::value, void>::Type axpy(Transpose trans, const ALPHA &alpha, const MatrixClosure<OpMult, MA, MB> &AB, Matrix<MC> &C); // // This gets called if everything else fails // #ifdef FLENS_DEBUG_CLOSURES // B += <Unknown Closure> template <typename ALPHA, typename Op, typename ML, typename MR, typename MB> void axpy(Transpose trans, const ALPHA &alpha, const MatrixClosure<Op, ML, MR> &A, Matrix<MB> &B); #endif // FLENS_DEBUG_CLOSURES // B += Some Matrix template <typename ALPHA, typename MA, typename MB> void axpy(Transpose trans, const ALPHA &alpha, const Matrix<MA> &A, Matrix<MB> &B); } } // namespace blas, flens #endif // FLENS_BLAS_CLOSURES_LEVEL1_AXPY_H |