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LinalgBackendBase.h
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LinalgBackendBase.h
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/*
* Copyright (c) 2016, Shogun-Toolbox e.V. <shogun-team@shogun-toolbox.org>
* 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 copyright holder 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 HOLDER 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.
*
* Authors: 2016 Pan Deng, Soumyajit De, Heiko Strathmann, Viktor Gal
*/
#ifndef LINALG_BACKEND_BASE_H__
#define LINALG_BACKEND_BASE_H__
#include <memory>
#include <shogun/io/SGIO.h>
#include <shogun/lib/SGMatrix.h>
#include <shogun/lib/SGVector.h>
#include <shogun/lib/common.h>
#include <shogun/lib/config.h>
#include <shogun/mathematics/Math.h>
#include <shogun/mathematics/linalg/GPUMemoryBase.h>
#include <shogun/mathematics/linalg/LinalgEnums.h>
#include <shogun/mathematics/linalg/internal/Block.h>
namespace shogun
{
/** @brief Base interface of generic linalg methods
* and generic memory transfer methods.
*/
class LinalgBackendBase
{
public:
virtual ~LinalgBackendBase() = default;
#define DEFINE_FOR_ALL_PTYPE(METHODNAME, Container) \
METHODNAME(bool, Container); \
METHODNAME(char, Container); \
METHODNAME(int8_t, Container); \
METHODNAME(uint8_t, Container); \
METHODNAME(int16_t, Container); \
METHODNAME(uint16_t, Container); \
METHODNAME(int32_t, Container); \
METHODNAME(uint32_t, Container); \
METHODNAME(int64_t, Container); \
METHODNAME(uint64_t, Container); \
METHODNAME(float32_t, Container); \
METHODNAME(float64_t, Container); \
METHODNAME(floatmax_t, Container); \
METHODNAME(complex128_t, Container);
#define DEFINE_FOR_NON_COMPLEX_PTYPE(METHODNAME, Container) \
METHODNAME(bool, Container); \
METHODNAME(char, Container); \
METHODNAME(int8_t, Container); \
METHODNAME(uint8_t, Container); \
METHODNAME(int16_t, Container); \
METHODNAME(uint16_t, Container); \
METHODNAME(int32_t, Container); \
METHODNAME(uint32_t, Container); \
METHODNAME(int64_t, Container); \
METHODNAME(uint64_t, Container); \
METHODNAME(float32_t, Container); \
METHODNAME(float64_t, Container); \
METHODNAME(floatmax_t, Container);
#define DEFINE_FOR_REAL_PTYPE(METHODNAME, Container) \
METHODNAME(float32_t, Container); \
METHODNAME(float64_t, Container); \
METHODNAME(floatmax_t, Container);
#define DEFINE_FOR_NON_INTEGER_PTYPE(METHODNAME, Container) \
METHODNAME(float32_t, Container); \
METHODNAME(float64_t, Container); \
METHODNAME(floatmax_t, Container); \
METHODNAME(complex128_t, Container);
/**
* Wrapper method of add operation the operation result = alpha*a + beta*b.
*
* @see linalg::add
*/
#define BACKEND_GENERIC_IN_PLACE_ADD(Type, Container) \
virtual void add( \
const Container<Type>& a, const Container<Type>& b, Type alpha, \
Type beta, Container<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IN_PLACE_ADD, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IN_PLACE_ADD, SGMatrix)
#undef BACKEND_GENERIC_IN_PLACE_ADD
/**
* Wrapper method of add column vector result = alpha*A.col(i) + beta*b.
*
* @see linalg::add_col_vec
*/
#define BACKEND_GENERIC_ADD_COL_VEC(Type, Container) \
virtual void add_col_vec( \
const SGMatrix<Type>& A, index_t i, const SGVector<Type>& b, \
Container<Type>& result, Type alpha, Type beta) const \
{ \
SG_SNOTIMPLEMENTED; \
return; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_COL_VEC, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_COL_VEC, SGMatrix)
#undef BACKEND_GENERIC_ADD_COL_VEC
/**
* Wrapper method of add diagonal vector A.diagonal = alpha * A.diagonal +
* beta * b.
*
* @see linalg::add_diag
*/
#define BACKEND_GENERIC_ADD_DIAG(Type, Container) \
virtual void add_diag( \
SGMatrix<Type>& A, const SGVector<Type>& b, Type alpha, Type beta) \
const \
{ \
SG_SNOTIMPLEMENTED; \
return; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_DIAG, SGMatrix);
#undef BACKEND_GENERIC_ADD_DIAG
/**
* Wrapper method of add diagonal vector A.diagonal = A.diagonal + beta * b.
*
* @see linalg::add_ridge
*/
#define BACKEND_GENERIC_ADD_RIDGE(Type, Container) \
virtual void add_ridge(SGMatrix<Type>& A, Type beta) const \
{ \
SG_SNOTIMPLEMENTED; \
return; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_RIDGE, SGMatrix);
#undef BACKEND_GENERIC_ADD_RIDGE
/**
* Wrapper method of add vector to each column of matrix.
*
* @see linalg::add_vector
*/
#define BACKEND_GENERIC_ADD_VECTOR(Type, Container) \
virtual void add_vector( \
const SGMatrix<Type>& A, const SGVector<Type>& b, \
SGMatrix<Type>& result, Type alpha, Type beta) const \
{ \
SG_SNOTIMPLEMENTED; \
return; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_VECTOR, SGMatrix)
#undef BACKEND_GENERIC_ADD_VECTOR
/**
* Wrapper method of add scalar operation.
*
* @see linalg::add_scalar
*/
#define BACKEND_GENERIC_ADD_SCALAR(Type, Container) \
virtual void add_scalar(Container<Type>& a, Type b) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_SCALAR, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ADD_SCALAR, SGMatrix)
#undef BACKEND_GENERIC_ADD_SCALAR
/**
* Wrapper method of center matrix operation.
*
* @see linalg::center_matrix
*/
#define BACKEND_GENERIC_CENTER_MATRIX(Type, Container) \
virtual void center_matrix(Container<Type>& A) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_CENTER_MATRIX, SGMatrix)
#undef BACKEND_GENERIC_CENTER_MATRIX
/**
* Wrapper method of Cholesky decomposition.
*
* @see linalg::cholesky_factor
*/
#define BACKEND_GENERIC_CHOLESKY_FACTOR(Type, Container) \
virtual Container<Type> cholesky_factor( \
const Container<Type>& A, const bool lower) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_CHOLESKY_FACTOR, SGMatrix)
#undef BACKEND_GENERIC_CHOLESKY_FACTOR
/**
* Wrapper triangular solver with Choleksy decomposition.
*
* @see linalg::cholesky_solver
*/
#define BACKEND_GENERIC_CHOLESKY_SOLVER(Type, Container) \
virtual SGVector<Type> cholesky_solver( \
const Container<Type>& L, const SGVector<Type>& b, const bool lower) \
const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_CHOLESKY_SOLVER, SGMatrix)
#undef BACKEND_GENERIC_CHOLESKY_SOLVER
/**
* Wrapper for rank one update of Cholesky decomposition
*
* @see linalg::cholesky_factor
*/
#define BACKEND_GENERIC_CHOLESKY_RANK_UPDATE(Type, Container) \
virtual void cholesky_rank_update( \
Container<Type>& L, const SGVector<Type>& b, Type alpha, \
const bool lower) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_REAL_PTYPE(BACKEND_GENERIC_CHOLESKY_RANK_UPDATE, SGMatrix)
#undef BACKEND_GENERIC_CHOLESKY_RANK_UPDATE
/**
* Wrapper for rank one update of a square matrix
*/
#define BACKEND_GENERIC_RANK_UPDATE(Type, Container) \
virtual void rank_update( \
Container<Type>& A, const SGVector<Type>& b, Type alpha) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_RANK_UPDATE, SGMatrix)
#undef BACKEND_GENERIC_RANK_UPDATE
/**
* Wrapper method of LDLT Cholesky decomposition
*
* @see linalg::ldlt_factor
*/
#define BACKEND_GENERIC_LDLT_FACTOR(Type, Container) \
virtual void ldlt_factor( \
const Container<Type>& A, Container<Type>& L, SGVector<Type>& d, \
SGVector<index_t>& p, const bool lower) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_LDLT_FACTOR, SGMatrix)
#undef BACKEND_GENERIC_LDLT_FACTOR
/**
* Wrapper method of pseudo inverse for self adjoint matrices
*
* @see linalg::pinvh
*/
#define BACKEND_GENERIC_PINVH(Type, Container) \
virtual void pinvh(const SGMatrix<Type>& A, SGMatrix<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_PINVH, SGMatrix)
#undef BACKEND_GENERIC_PINVH
/**
* Wrapper method of pseudo inverse
*
* @see linalg::pinvh
*/
#define BACKEND_GENERIC_PINV(Type, Container) \
virtual void pinv(const SGMatrix<Type>& A, SGMatrix<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_PINV, SGMatrix)
#undef BACKEND_GENERIC_PINV
/**
* Wrapper method of LDLT Cholesky solver
*
* @see linalg::ldlt_solver
*/
#define BACKEND_GENERIC_LDLT_SOLVER(Type, Container) \
virtual SGVector<Type> ldlt_solver( \
const Container<Type>& L, const SGVector<Type>& d, \
const SGVector<index_t>& p, const SGVector<Type>& b, const bool lower) \
const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_LDLT_SOLVER, SGMatrix)
#undef BACKEND_GENERIC_LDLT_SOLVER
/**
* Wrapper method of cross entropy.
*
* @see linalg::cross_entropy
*/
#define BACKEND_GENERIC_CROSS_ENTROPY(Type, Container) \
virtual Type cross_entropy( \
const Container<Type>& P, const Container<Type>& Q) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_CROSS_ENTROPY, SGMatrix)
#undef BACKEND_GENERIC_CROSS_ENTROPY
/**
* Wrapper method of vector dot-product that works with generic vectors.
*
* @see linalg::dot
*/
#define BACKEND_GENERIC_DOT(Type, Container) \
virtual Type dot(const Container<Type>& a, const Container<Type>& b) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_DOT, SGVector)
#undef BACKEND_GENERIC_DOT
/**
* Wrapper method of eigenvalues and eigenvectors computation.
*
* @see linalg::eigen_solver
*/
#define BACKEND_GENERIC_EIGEN_SOLVER(Type, Container) \
virtual void eigen_solver( \
const Container<Type>& A, SGVector<Type>& eigenvalues, \
SGMatrix<Type>& eigenvectors) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_EIGEN_SOLVER, SGMatrix)
#undef BACKEND_GENERIC_EIGEN_SOLVER
/**
* Wrapper method of eigenvalues and eigenvectors computation
* for symmetric matrices.
*
* @see linalg::eigen_solver_symmetric
*/
#define BACKEND_GENERIC_EIGEN_SOLVER_SYMMETRIC(Type, Container) \
virtual void eigen_solver_symmetric( \
const Container<Type>& A, SGVector<Type>& eigenvalues, \
SGMatrix<Type>& eigenvectors, index_t k) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(
BACKEND_GENERIC_EIGEN_SOLVER_SYMMETRIC, SGMatrix)
#undef BACKEND_GENERIC_EIGEN_SOLVER_SYMMETRIC
/**
* Wrapper method of in-place vector elementwise product.
*
* @see linalg::element_prod
*/
#define BACKEND_GENERIC_IN_PLACE_VECTOR_ELEMENT_PROD(Type, Container) \
virtual void element_prod( \
const Container<Type>& a, const Container<Type>& b, \
Container<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(
BACKEND_GENERIC_IN_PLACE_VECTOR_ELEMENT_PROD, SGVector)
#undef BACKEND_GENERIC_IN_PLACE_VECTOR_ELEMENT_PROD
/**
* Wrapper method of in-place matrix elementwise product.
*
* @see linalg::element_prod
*/
#define BACKEND_GENERIC_IN_PLACE_MATRIX_ELEMENT_PROD(Type, Container) \
virtual void element_prod( \
const Container<Type>& a, const Container<Type>& b, \
Container<Type>& result, bool transpose_A, bool transpose_B) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(
BACKEND_GENERIC_IN_PLACE_MATRIX_ELEMENT_PROD, SGMatrix)
#undef BACKEND_GENERIC_IN_PLACE_MATRIX_ELEMENT_PROD
/**
* Wrapper method of in-place matrix block elementwise product.
*
* @see linalg::element_prod
*/
#define BACKEND_GENERIC_IN_PLACE_BLOCK_ELEMENT_PROD(Type, Container) \
virtual void element_prod( \
const linalg::Block<Container<Type>>& a, \
const linalg::Block<Container<Type>>& b, Container<Type>& result, \
bool transpose_A, bool transpose_B) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(
BACKEND_GENERIC_IN_PLACE_BLOCK_ELEMENT_PROD, SGMatrix)
#undef BACKEND_GENERIC_IN_PLACE_BLOCK_ELEMENT_PROD
/**
* Wrapper method of in-place exponent method.
*
* @see linalg::exponent
*/
#define BACKEND_GENERIC_EXPONENT(Type, Container) \
virtual void exponent(const Container<Type>& a, Container<Type>& result) \
const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_EXPONENT, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_EXPONENT, SGMatrix)
#undef BACKEND_GENERIC_EXPONENT
/**
* Wrapper method of set matrix to identity.
*
* @see linalg::identity
*/
#define BACKEND_GENERIC_IDENTITY(Type, Container) \
virtual void identity(Container<Type>& identity_matrix) const \
{ \
SG_SNOTIMPLEMENTED; \
return; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IDENTITY, SGMatrix)
#undef BACKEND_GENERIC_IDENTITY
/**
* Wrapper method of logistic function f(x) = 1/(1+exp(-x))
*
* @see linalg::logistic
*/
#define BACKEND_GENERIC_LOGISTIC(Type, Container) \
virtual void logistic(const Container<Type>& a, Container<Type>& result) \
const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_LOGISTIC, SGMatrix)
#undef BACKEND_GENERIC_LOGISTIC
/**
* Wrapper method of matrix product method.
*
* @see linalg::matrix_prod
*/
#define BACKEND_GENERIC_IN_PLACE_MATRIX_PROD(Type, Container) \
virtual void matrix_prod( \
const SGMatrix<Type>& a, const Container<Type>& b, \
Container<Type>& result, bool transpose_A, bool transpose_B) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IN_PLACE_MATRIX_PROD, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IN_PLACE_MATRIX_PROD, SGMatrix)
#undef BACKEND_GENERIC_IN_PLACE_MATRIX_PROD
/**
* Wrapper method of max method. Return the largest element in a vector or
* matrix.
*
* @see linalg::max
*/
#define BACKEND_GENERIC_MAX(Type, Container) \
virtual Type max(const Container<Type>& a) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_MAX, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_MAX, SGMatrix)
#undef BACKEND_GENERIC_MAX
/**
* Wrapper method that computes mean of SGVectors and SGMatrices
* that are composed of real numbers.
*
* @see linalg::mean
*/
#define BACKEND_GENERIC_REAL_MEAN(Type, Container) \
virtual float64_t mean(const Container<Type>& a) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_NON_COMPLEX_PTYPE(BACKEND_GENERIC_REAL_MEAN, SGVector)
DEFINE_FOR_NON_COMPLEX_PTYPE(BACKEND_GENERIC_REAL_MEAN, SGMatrix)
#undef BACKEND_GENERIC_REAL_MEAN
/**
* Wrapper method that computes mean of SGVectors and SGMatrices
* that are composed of complex numbers.
*
* @see linalg::mean
*/
#define BACKEND_GENERIC_COMPLEX_MEAN(Container) \
virtual complex128_t mean(const Container<complex128_t>& a) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
BACKEND_GENERIC_COMPLEX_MEAN(SGVector)
BACKEND_GENERIC_COMPLEX_MEAN(SGMatrix)
#undef BACKEND_GENERIC_COMPLEX_MEAN
/**
* Wrapper method of multiply_by_logistic_derivative function f(x) =
* 1/(1+exp(-x))
*
* @see linalg::multiply_by_logistic_derivative
*/
#define BACKEND_GENERIC_MULTIPLY_BY_LOGISTIC_DERIV(Type, Container) \
virtual void multiply_by_logistic_derivative( \
const Container<Type>& a, Container<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(
BACKEND_GENERIC_MULTIPLY_BY_LOGISTIC_DERIV, SGMatrix)
#undef BACKEND_GENERIC_MULTIPLY_BY_LOGISTIC_DERIV
/**
* Wrapper method of multiply_by_rectified_linear_derivative
*
* @see linalg::multiply_by_rectified_linear_derivative
*/
#define BACKEND_GENERIC_MULTIPLY_BY_RECTIFIED_LINEAR_DERIV(Type, Container) \
virtual void multiply_by_rectified_linear_derivative( \
const Container<Type>& a, Container<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(
BACKEND_GENERIC_MULTIPLY_BY_RECTIFIED_LINEAR_DERIV, SGMatrix)
#undef BACKEND_GENERIC_MULTIPLY_BY_RECTIFIED_LINEAR_DERIV
/**
* Wrapper method that range fills a vector of matrix.
*
* @see linalg::range_fill
*/
#define BACKEND_GENERIC_RANGE_FILL(Type, Container) \
virtual void range_fill(Container<Type>& a, const Type start) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_RANGE_FILL, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_RANGE_FILL, SGMatrix)
#undef BACKEND_GENERIC_RANGE_FILL
/**
* Wrapper method of rectified_linear method f(x) = max(0, x)
*
* @see linalg::rectified_linear
*/
#define BACKEND_GENERIC_RECTIFIED_LINEAR(Type, Container) \
virtual void rectified_linear( \
const Container<Type>& a, Container<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_RECTIFIED_LINEAR, SGMatrix)
#undef BACKEND_GENERIC_RECTIFIED_LINEAR
/**
* Wrapper method that solves a system of linear equations
* using QR decomposition.
*
* @see linalg::qr_solver
*/
#define BACKEND_GENERIC_QR_SOLVER(Type, Container) \
virtual Container<Type> qr_solver( \
const SGMatrix<Type>& A, const Container<Type>& b) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_QR_SOLVER, SGVector)
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_QR_SOLVER, SGMatrix)
#undef BACKEND_GENERIC_QR_SOLVER
/**
* Wrapper method of scale operation the operation result = alpha*A.
*
* @see linalg::scale
*/
#define BACKEND_GENERIC_IN_PLACE_SCALE(Type, Container) \
virtual void scale( \
const Container<Type>& a, Type alpha, Container<Type>& result) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IN_PLACE_SCALE, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_IN_PLACE_SCALE, SGMatrix)
#undef BACKEND_GENERIC_IN_PLACE_SCALE
/**
* Wrapper method that sets const values to vectors or matrices.
*
* @see linalg::set_const
*/
#define BACKEND_GENERIC_SET_CONST(Type, Container) \
virtual void set_const(Container<Type>& a, const Type value) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SET_CONST, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SET_CONST, SGMatrix)
#undef BACKEND_GENERIC_SET_CONST
/**
* Wrapper method of sum that works with generic vectors or matrices.
*
* @see linalg::sum
*/
#define BACKEND_GENERIC_SUM(Type, Container) \
virtual Type sum(const Container<Type>& a, bool no_diag) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SUM, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SUM, SGMatrix)
#undef BACKEND_GENERIC_SUM
/**
* Wrapper method of softmax method.
*
* @see linalg::softmax
*/
#define BACKEND_GENERIC_SOFTMAX(Type, Container) \
virtual void softmax(Container<Type>& a) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SOFTMAX, SGMatrix)
#undef BACKEND_GENERIC_SOFTMAX
/**
* Wrapper method of squared error method.
*
* @see linalg::squared_error
*/
#define BACKEND_GENERIC_SQUARED_ERROR(Type, Container) \
virtual Type squared_error( \
const Container<Type>& P, const Container<Type>& Q) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SQUARED_ERROR, SGMatrix)
#undef BACKEND_GENERIC_SQUARED_ERROR
/**
* Wrapper method of sum that works with matrix blocks.
*
* @see linalg::sum
*/
#define BACKEND_GENERIC_BLOCK_SUM(Type, Container) \
virtual Type sum(const linalg::Block<Container<Type>>& a, bool no_diag) \
const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_BLOCK_SUM, SGMatrix)
#undef BACKEND_GENERIC_BLOCK_SUM
/**
* Wrapper method of sum that works with symmetric matrices.
*
* @see linalg::sum_symmetric
*/
#define BACKEND_GENERIC_SYMMETRIC_SUM(Type, Container) \
virtual Type sum_symmetric(const Container<Type>& a, bool no_diag) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SYMMETRIC_SUM, SGMatrix)
#undef BACKEND_GENERIC_SYMMETRIC_SUM
/**
* Wrapper method of sum that works with symmetric matrix blocks.
*
* @see linalg::sum
*/
#define BACKEND_GENERIC_SYMMETRIC_BLOCK_SUM(Type, Container) \
virtual Type sum_symmetric( \
const linalg::Block<Container<Type>>& a, bool no_diag) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_SYMMETRIC_BLOCK_SUM, SGMatrix)
#undef BACKEND_GENERIC_SYMMETRIC_BLOCK_SUM
/**
* Wrapper method of matrix rowwise sum that works with dense matrices.
*
* @see linalg::colwise_sum
*/
#define BACKEND_GENERIC_COLWISE_SUM(Type, Container) \
virtual SGVector<Type> colwise_sum(const Container<Type>& a, bool no_diag) \
const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_COLWISE_SUM, SGMatrix)
#undef BACKEND_GENERIC_COLWISE_SUM
/**
* Wrapper method of matrix colwise sum that works with dense matrices.
*
* @see linalg::colwise_sum
*/
#define BACKEND_GENERIC_BLOCK_COLWISE_SUM(Type, Container) \
virtual SGVector<Type> colwise_sum( \
const linalg::Block<Container<Type>>& a, bool no_diag) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_BLOCK_COLWISE_SUM, SGMatrix)
#undef BACKEND_GENERIC_BLOCK_COLWISE_SUM
/**
* Wrapper method of matrix rowwise sum that works with dense matrices.
*
* @see linalg::rowwise_sum
*/
#define BACKEND_GENERIC_ROWWISE_SUM(Type, Container) \
virtual SGVector<Type> rowwise_sum(const Container<Type>& a, bool no_diag) \
const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ROWWISE_SUM, SGMatrix)
#undef BACKEND_GENERIC_ROWWISE_SUM
/**
* Wrapper method of matrix rowwise sum that works with dense matrices.
*
* @see linalg::rowwise_sum
*/
#define BACKEND_GENERIC_BLOCK_ROWWISE_SUM(Type, Container) \
virtual SGVector<Type> rowwise_sum( \
const linalg::Block<Container<Type>>& a, bool no_diag) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_BLOCK_ROWWISE_SUM, SGMatrix)
#undef BACKEND_GENERIC_BLOCK_ROWWISE_SUM
/**
* Wrapper method of svd computation.
*
* @see linalg::svd
*/
#define BACKEND_GENERIC_SVD(Type, Container) \
virtual void svd( \
const Container<Type>& A, SGVector<Type> s, SGMatrix<Type> U, \
bool thin_U, linalg::SVDAlgorithm alg) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(BACKEND_GENERIC_SVD, SGMatrix)
#undef BACKEND_GENERIC_SVD
/**
* Wrapper method of trace computation.
*
* @see linalg::trace
*/
#define BACKEND_GENERIC_TRACE(Type, Container) \
virtual Type trace(const Container<Type>& A) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_TRACE, SGMatrix)
#undef BACKEND_GENERIC_TRACE
/**
* Wrapper method of trace computation.
*
* @see linalg::transpose_matrix
*/
#define BACKEND_GENERIC_TRANSPOSE_MATRIX(Type, Container) \
virtual Container<Type> transpose_matrix(const Container<Type>& A) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_TRANSPOSE_MATRIX, SGMatrix)
#undef BACKEND_GENERIC_TRANSPOSE_MATRIX
/**
* Wrapper method of triangular solver.
*
* @see linalg::triangular_solver
*/
#define BACKEND_GENERIC_TRIANGULAR_SOLVER(Type, Container) \
virtual Container<Type> triangular_solver( \
const SGMatrix<Type>& L, const Container<Type>& b, \
const bool lower = true) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_NON_INTEGER_PTYPE(
BACKEND_GENERIC_TRIANGULAR_SOLVER, SGVector)
DEFINE_FOR_NON_INTEGER_PTYPE(
BACKEND_GENERIC_TRIANGULAR_SOLVER, SGMatrix)
#undef BACKEND_GENERIC_TRIANGULAR_SOLVER
/**
* Wrapper method of set vector or matrix to zero.
*
* @see linalg::zero
*/
#define BACKEND_GENERIC_ZERO(Type, Container) \
virtual void zero(Container<Type>& a) const \
{ \
SG_SNOTIMPLEMENTED; \
return; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ZERO, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_ZERO, SGMatrix)
#undef BACKEND_GENERIC_ZERO
/**
* Wrapper method of Transferring data to GPU memory.
* Does nothing if no GPU backend registered.
*
* @see linalg::to_gpu
*/
#define BACKEND_GENERIC_TO_GPU(Type, Container) \
virtual GPUMemoryBase<Type>* to_gpu(const Container<Type>&) const \
{ \
SG_SNOTIMPLEMENTED; \
return 0; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_TO_GPU, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_TO_GPU, SGMatrix)
#undef BACKEND_GENERIC_TO_GPU
/**
* Wrapper method of fetching data from GPU memory.
*
* @see linalg::from_gpu
*/
#define BACKEND_GENERIC_FROM_GPU(Type, Container) \
virtual void from_gpu(const Container<Type>&, Type* data) const \
{ \
SG_SNOTIMPLEMENTED; \
}
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_FROM_GPU, SGVector)
DEFINE_FOR_ALL_PTYPE(BACKEND_GENERIC_FROM_GPU, SGMatrix)
#undef BACKEND_GENERIC_FROM_GPU
#undef DEFINE_FOR_ALL_PTYPE
#undef DEFINE_FOR_NON_COMPLEX_PTYPE
#undef DEFINE_FOR_NON_INTEGER_PTYPE
};
}
#endif // LINALG_BACKEND_BASE_H__