58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author GS <sgazeos@gmail.com>, created on 8/22/2018
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//
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#include <system/op_boilerplate.h>
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#if NOT_EXCLUDED(OP_matrix_band_part)
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#include <ops/declarable/helpers/matrix_band.h>
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#include <ops/declarable/CustomOperations.h>
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namespace sd {
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namespace ops {
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CONFIGURABLE_OP_IMPL(matrix_band_part, 1, 1, true, 0, 2) {
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auto input = INPUT_VARIABLE(0);
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auto output = OUTPUT_VARIABLE(0);
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Nd4jLong minLower = INT_ARG(0);
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Nd4jLong maxUpper = INT_ARG(1);
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REQUIRE_TRUE(input->rankOf() >= 2, 0, "matrix_band_part: Input rank should be 2 or greater.");
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Nd4jLong N = input->sizeAt(-2);
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Nd4jLong M = input->sizeAt(-1);
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REQUIRE_TRUE(minLower > -N && minLower < N, 0, "matrix_band_part: lower diagonal count %i should be less than %i.",
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minLower, N);
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REQUIRE_TRUE(maxUpper > -M && maxUpper < M, 0, "matrix_band_part: upper diagonal count %i should be less than %i.",
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maxUpper, M);
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helpers::matrixBandPart(block.launchContext(), input, output, minLower, maxUpper);
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return ND4J_STATUS_OK;
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}
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DECLARE_SYN(band_part, matrix_band_part);
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}
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DECLARE_TYPES(matrix_band_part) {
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getOpDescriptor()
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->setAllowedInputTypes({ALL_INTS, ALL_FLOATS})
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->setAllowedInputTypes({ALL_INTS, ALL_FLOATS})
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->setSameMode(true);
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}
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}
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#endif
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