62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*******************************************************************************
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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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// Created by GS <sgazeos@gmail.com> 31.01.2018
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_zero_fraction)
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#include <ops/declarable/CustomOperations.h>
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namespace nd4j {
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namespace ops {
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CUSTOM_OP_IMPL(zero_fraction, 1, 1, false, 0, 0) {
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auto input = INPUT_VARIABLE(0);
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auto output = OUTPUT_VARIABLE(0);
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REQUIRE_TRUE(output->isScalar(), 0, "Rank output should be scalar");
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if(input->isEmpty()){
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output->p<double>(0, std::numeric_limits<double>::quiet_NaN());
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return Status::OK();
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}
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int numZeros = 0;
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// for (int e = 0; e < input->lengthOf(); e++)
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// if ((*input)(e) == T(0))
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// numZeros++;
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auto countZero = input->reduceNumber(reduce::CountZero);
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//nd4j_printf("Zero count is %f for %i elements.", countZero.e<double>(0), input->lengthOf());
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//countZero /= double(input->lengthOf());
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output->p<double>(0, countZero.e<Nd4jLong>(0) / double(input->lengthOf())); //printIndexedBuffer("Zero count");
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return Status::OK();
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}
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DECLARE_SHAPE_FN(zero_fraction) {
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return SHAPELIST(ConstantShapeHelper::getInstance()->scalarShapeInfo(nd4j::DataType::DOUBLE));
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}
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DECLARE_TYPES(zero_fraction) {
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getOpDescriptor()
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->setAllowedInputTypes(nd4j::DataType::ANY)
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->setAllowedOutputTypes({ALL_FLOATS});
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}
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}
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}
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#endif |