chromium/third_party/eigen3/src/Eigen/src/Core/products/GeneralMatrixMatrix.h

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008-2009 Gael Guennebaud <[email protected]>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef EIGEN_GENERAL_MATRIX_MATRIX_H
#define EIGEN_GENERAL_MATRIX_MATRIX_H

// IWYU pragma: private
#include "../InternalHeaderCheck.h"

namespace Eigen {

namespace internal {

template <typename LhsScalar_, typename RhsScalar_>
class level3_blocking;

/* Specialization for a row-major destination matrix => simple transposition of the product */
general_matrix_matrix_product<Index, LhsScalar, LhsStorageOrder, ConjugateLhs, RhsScalar, RhsStorageOrder, ConjugateRhs, RowMajor, ResInnerStride>;

/*  Specialization for a col-major destination matrix
 *    => Blocking algorithm following Goto's paper */
general_matrix_matrix_product<Index, LhsScalar, LhsStorageOrder, ConjugateLhs, RhsScalar, RhsStorageOrder, ConjugateRhs, ColMajor, ResInnerStride>;

/*********************************************************************************
 *  Specialization of generic_product_impl for "large" GEMM, i.e.,
 *  implementation of the high level wrapper to general_matrix_matrix_product
 **********************************************************************************/

template <typename Scalar, typename Index, typename Gemm, typename Lhs, typename Rhs, typename Dest,
          typename BlockingType>
struct gemm_functor { … };

template <int StorageOrder, typename LhsScalar, typename RhsScalar, int MaxRows, int MaxCols, int MaxDepth,
          int KcFactor = 1, bool FiniteAtCompileTime = MaxRows != Dynamic && MaxCols != Dynamic && MaxDepth != Dynamic>
class gemm_blocking_space;

template <typename LhsScalar_, typename RhsScalar_>
class level3_blocking { … };

gemm_blocking_space<StorageOrder, LhsScalar_, RhsScalar_, MaxRows, MaxCols, MaxDepth, KcFactor, true>;

gemm_blocking_space<StorageOrder, LhsScalar_, RhsScalar_, MaxRows, MaxCols, MaxDepth, KcFactor, false>;

}  // end namespace internal

namespace internal {

generic_product_impl<Lhs, Rhs, DenseShape, DenseShape, GemmProduct>;

}  // end namespace internal

}  // end namespace Eigen

#endif  // EIGEN_GENERAL_MATRIX_MATRIX_H