43 lines
1.6 KiB
C++
43 lines
1.6 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>
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//
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#include <ops/declarable/helpers/sequence_mask.h>
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namespace nd4j {
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namespace ops {
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namespace helpers {
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template <typename T>
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static void sequenceMask_(NDArray* input, NDArray* output, int maxIndex) {
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PRAGMA_OMP_PARALLEL_FOR_SIMD_COLLAPSE(2)
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for (Nd4jLong i = 0; i < maxIndex; i++)
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for(Nd4jLong k = 0; k < input->lengthOf(); k++)
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if (i < input->e<int>(k))
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output->p<T>(k * maxIndex + i, T(1.0f));
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}
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void sequenceMask(nd4j::LaunchContext * context, NDArray* input, NDArray* output, int maxIndex) {
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BUILD_SINGLE_SELECTOR(input->dataType(), sequenceMask_, (input, output, maxIndex), LIBND4J_TYPES);
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}
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BUILD_SINGLE_TEMPLATE(template void sequenceMask_, (NDArray* input, NDArray* output, int maxIndex), LIBND4J_TYPES);
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}
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}
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}
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