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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2015 Benoit Steiner <benoit.steiner.goog@gmail.com>
//
// 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_CXX11_FIXED_POINT_MAT_VEC_PRODUCT_H
#define EIGEN_CXX11_FIXED_POINT_MAT_VEC_PRODUCT_H
namespace Eigen {
namespace internal {
// Mat-Vec product
// Both lhs and rhs are encoded as 8bit signed integers
template<typename Index, typename LhsMapper, bool ConjugateLhs, typename RhsMapper, bool ConjugateRhs, int Version>
struct general_matrix_vector_product<Index,QInt8,LhsMapper,ColMajor,ConjugateLhs,QInt8,RhsMapper,ConjugateRhs,Version>
{
EIGEN_DONT_INLINE static void run(
Index rows, Index cols,
const LhsMapper& lhs,
const RhsMapper& rhs,
QInt32* res, Index resIncr,
QInt8 alpha);
};
template<typename Index, typename LhsMapper, bool ConjugateLhs, typename RhsMapper, bool ConjugateRhs, int Version>
EIGEN_DONT_INLINE void general_matrix_vector_product<Index,QInt8,LhsMapper,ColMajor,ConjugateLhs,QInt8,RhsMapper,ConjugateRhs,Version>::run(
Index rows, Index cols,
const LhsMapper& lhs,
const RhsMapper& rhs,
QInt32* res, Index resIncr,
QInt8 alpha)
{
eigen_assert(alpha.value == 1);
eigen_assert(resIncr == 1);
eigen_assert(rows > 0);
eigen_assert(cols > 0);
for (Index i = 0; i < rows; ++i) {
for (Index j = 0; j < cols; ++j) {
res[i] += lhs(i, j) * rhs(j, 0);
}
}
}
// Mat-Vec product
// The lhs is encoded using 8bit signed integers, the rhs using 8bit unsigned integers
template<typename Index, typename LhsMapper, bool ConjugateLhs, typename RhsMapper, bool ConjugateRhs, int Version>
struct general_matrix_vector_product<Index,QInt8,LhsMapper,ColMajor,ConjugateLhs,QUInt8,RhsMapper,ConjugateRhs,Version>
{
EIGEN_DONT_INLINE static void run(
Index rows, Index cols,
const LhsMapper& lhs,
const RhsMapper& rhs,
QInt32* res, Index resIncr,
QUInt8 alpha);
};
template<typename Index, typename LhsMapper, bool ConjugateLhs, typename RhsMapper, bool ConjugateRhs, int Version>
EIGEN_DONT_INLINE void general_matrix_vector_product<Index,QInt8,LhsMapper,ColMajor,ConjugateLhs,QUInt8,RhsMapper,ConjugateRhs,Version>::run(
Index rows, Index cols,
const LhsMapper& lhs,
const RhsMapper& rhs,
QInt32* res, Index resIncr,
QUInt8 alpha)
{
eigen_assert(alpha.value == 1);
eigen_assert(resIncr == 1);
eigen_assert(rows > 0);
eigen_assert(cols > 0);
for (Index i = 0; i < rows; ++i) {
for (Index j = 0; j < cols; ++j) {
res[i] += lhs(i, j) * rhs(j, 0);
}
}
}
// Mat-Vec product
// The lhs is encoded using bit unsigned integers, the rhs using 8bit signed integers
template<typename Index, typename LhsMapper, bool ConjugateLhs, typename RhsMapper, bool ConjugateRhs, int Version>
struct general_matrix_vector_product<Index,QUInt8,LhsMapper,ColMajor,ConjugateLhs,QInt8,RhsMapper,ConjugateRhs,Version>
{
EIGEN_DONT_INLINE static void run(
Index rows, Index cols,
const LhsMapper& lhs,
const RhsMapper& rhs,
QInt32* res, Index resIncr,
QInt8 alpha);
};
template<typename Index, typename LhsMapper, bool ConjugateLhs, typename RhsMapper, bool ConjugateRhs, int Version>
EIGEN_DONT_INLINE void general_matrix_vector_product<Index,QUInt8,LhsMapper,ColMajor,ConjugateLhs,QInt8,RhsMapper,ConjugateRhs,Version>::run(
Index rows, Index cols,
const LhsMapper& lhs,
const RhsMapper& rhs,
QInt32* res, Index resIncr,
QInt8 alpha)
{
eigen_assert(alpha.value == 1);
eigen_assert(resIncr == 1);
eigen_assert(rows > 0);
eigen_assert(cols > 0);
for (Index i = 0; i < rows; ++i) {
for (Index j = 0; j < cols; ++j) {
res[i] += lhs(i, j) * rhs(j, 0);
}
}
}
} // namespace internal
} // namespace Eigen
#endif // EIGEN_CXX11_FIXED_POINT_MAT_VEC_PRODUCT_H
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