75 lines
2.0 KiB
C++
75 lines
2.0 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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// @author raver119@gmail.com
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//
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#ifndef LIBND4J_NDINDEX_H
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#define LIBND4J_NDINDEX_H
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#include <system/pointercast.h>
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#include <vector>
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#include <system/dll.h>
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namespace sd {
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class ND4J_EXPORT NDIndex {
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protected:
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std::vector<Nd4jLong> _indices;
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Nd4jLong _stride = 1;
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public:
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NDIndex() = default;
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~NDIndex() = default;
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bool isAll();
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bool isPoint();
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virtual bool isInterval();
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std::vector<Nd4jLong>& getIndices();
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Nd4jLong stride();
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static NDIndex* all();
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static NDIndex* point(Nd4jLong pt);
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static NDIndex* interval(Nd4jLong start, Nd4jLong end, Nd4jLong stride = 1);
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};
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class ND4J_EXPORT NDIndexAll : public NDIndex {
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public:
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NDIndexAll();
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virtual bool isInterval();
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~NDIndexAll() = default;
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};
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class ND4J_EXPORT NDIndexPoint : public NDIndex {
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public:
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NDIndexPoint(Nd4jLong point);
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virtual bool isInterval();
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~NDIndexPoint() = default;
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};
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class ND4J_EXPORT NDIndexInterval : public NDIndex {
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public:
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NDIndexInterval(Nd4jLong start, Nd4jLong end, Nd4jLong stride = 1);
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virtual bool isInterval();
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~NDIndexInterval() = default;
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};
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}
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#endif //LIBND4J_NDINDEX_H
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