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

68 lines
3.1 KiB
C++

/*******************************************************************************
* 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 12/10/2019
//
#include <op_boilerplate.h>
#if NOT_EXCLUDED(OP_matrix_inverse)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/lup.h>
namespace nd4j {
namespace ops {
CUSTOM_OP_IMPL(lu, 1, 2, false, 0, 0) {
auto input = INPUT_VARIABLE(0);
auto z = OUTPUT_VARIABLE(0);
auto p = OUTPUT_VARIABLE(1);
if (block.getIArguments()->size()) {
DataType dtype = (DataType)INT_ARG(0);
REQUIRE_TRUE(dtype == nd4j::DataType::INT32 || dtype == nd4j::DataType::INT64, 0, "lu: Permutation data type should be 32bit or 64bit int only, but '%s' given.", DataTypeUtils::asString(dtype).c_str()); }
REQUIRE_TRUE(input->rankOf() >=2, 0, "lu: 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, "lu: The last two dimmensions should be equal, but %i and %i are given", input->sizeAt(-1), input->sizeAt(-2));
helpers::lu(block.launchContext(), input, z, p);
return Status::OK();
}
DECLARE_SHAPE_FN(lu) {
auto in = inputShape->at(0);
auto shapeVector = ShapeUtils::shapeAsVector(in);
auto luShape = ShapeBuilders::copyShapeInfoAndType(in, in, true, block.workspace());
auto dtype = nd4j::DataType::INT32;
if (block.getIArguments()->size()) {
dtype = (DataType)INT_ARG(0);
REQUIRE_TRUE(dtype == nd4j::DataType::INT32 || dtype == nd4j::DataType::INT64, 0, "lu: Permutation data type should be 32bit or 64bit int only, but '%s' given.", DataTypeUtils::asString(dtype).c_str());
}
auto luP = ShapeBuilders::createShapeInfo(dtype, shape::order(in), shapeVector.size() - 1,
shapeVector.data(), block.workspace());
return SHAPELIST(CONSTANT(luShape), CONSTANT(luP));
}
DECLARE_TYPES(lu) {
getOpDescriptor()
->setAllowedInputTypes({ALL_FLOATS})
->setAllowedOutputTypes(0, {ALL_FLOATS})
->setAllowedOutputTypes(1, {nd4j::DataType::INT32, nd4j::DataType::INT64})
->setSameMode(false);
}
}
}
#endif