cavis/libnd4j/include/ops/declarable/generic/parity_ops/cholesky.cpp

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/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// Created by GS <sgazeos@gmail.com> at 11/12/2018
//
#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_cholesky)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/lup.h>
namespace sd {
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namespace ops {
OP_IMPL(cholesky, 1, 1, true) {
NDArray* input = INPUT_VARIABLE(0);
NDArray* output = OUTPUT_VARIABLE(0);
REQUIRE_TRUE(input->rankOf() >=2, 0, "cholesky: The rank of input array should not less than 2, but %i is given", input->rankOf());
REQUIRE_TRUE(input->sizeAt(-1) == input->sizeAt(-2), 0, "cholesky: The last two dimmensions should be equal, but %i and %i are given", input->sizeAt(-1), input->sizeAt(-2));
REQUIRE_TRUE(helpers::checkCholeskyInput(block.launchContext(), input), 0, "cholesky: The input tensor should be positive-defined and symmetric.");
Shugeo solve ls (#203) * lstsq op. Initial commit. Signed-off-by: shugeo <sgazeos@gmail.com> * Least squares linear problem solve op (lstsq). Cpu draft implementation. Signed-off-by: shugeo <sgazeos@gmail.com> * Fixed shape routine and tests. Signed-off-by: shugeo <sgazeos@gmail.com> * Added test for lstsq op. Signed-off-by: shugeo <sgazeos@gmail.com> * Rectification for lstsq op implementation. Signed-off-by: shugeo <sgazeos@gmail.com> * Corrected test to avoid numerical inconsistensy. Signed-off-by: shugeo <sgazeos@gmail.com> * Added prints for check computing. Signed-off-by: shugeo <sgazeos@gmail.com> * Corrected tests to use evalueate facility instead. Signed-off-by: shugeo <sgazeos@gmail.com> * CPU implementation of MatrixSolveLs op and tests. Signed-off-by: shugeo <sgazeos@gmail.com> * Added cuda implementation for helpers with lstsq op. Signed-off-by: shugeo <sgazeos@gmail.com> * Refactored tests for lstsq op. Signed-off-by: shugeo <sgazeos@gmail.com> * Added processing for empty inputs. Signed-off-by: shugeo <sgazeos@gmail.com> * Merged tests. Signed-off-by: shugeo <sgazeos@gmail.com> * Refactored lstsq op for fast case. Signed-off-by: shugeo <sgazeos@gmail.com> * Fixed test. Signed-off-by: shugeo <sgazeos@gmail.com> * Refactored lstsq op. Signed-off-by: shugeo <sgazeos@gmail.com> * Fixed some issues with solve. Signed-off-by: shugeo <sgazeos@gmail.com> * Fixed lstsq op to avoid erros. Signed-off-by: shugeo <sgazeos@gmail.com> * Added kernel for giagonal factor Signed-off-by: shugeo <sgazeos@gmail.com> * lstsq wrapper and triangular_solve fixed * Added proper processing empty inputs and test. Signed-off-by: shugeo <sgazeos@gmail.com> * SequenceMask test * Build fixed * Added proper processing of empty inputs with solve op. Signed-off-by: shugeo <sgazeos@gmail.com> * Mapping added * Added check of input shapes with solve op. Signed-off-by: shugeo <sgazeos@gmail.com> * Added a couple of tests for lstsq op and minor changes with cuda helper for one.' Signed-off-by: shugeo <sgazeos@gmail.com> * Tests on * Refactored test for lstsq op. Signed-off-by: shugeo <sgazeos@gmail.com> * Fixed test * Added another approach for lstsq op aka solve_ls. Signed-off-by: shugeo <sgazeos@gmail.com> * Finished cpu part for solve_ls op helpers. * Added helper for low triangular matrix inversion. Signed-off-by: shugeo <sgazeos@gmail.com> * Refactored alternate solve_ls cpu implementation. Signed-off-by: shugeo <sgazeos@gmail.com> * Removed alternate approach for solve_ls op. Added multithreading with matrix inversion. Signed-off-by: shugeo <sgazeos@gmail.com> * Assert fixed * Refactored multithreading for inverse matricies. Signed-off-by: shugeo <sgazeos@gmail.com> Co-authored-by: Alexander Stoyakin <alexander.stoyakin@gmail.com>
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return helpers::cholesky(block.launchContext(), input, output, block.isInplace());
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}
DECLARE_TYPES(cholesky) {
getOpDescriptor()
->setAllowedInputTypes(sd::DataType::ANY)
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->setAllowedOutputTypes({ALL_FLOATS});
}
}
}
#endif