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Java example source code file (InputVertex.java)
The InputVertex.java Java example source code/* * * * Copyright 2016 Skymind,Inc. * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * * * http://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. * */ package org.deeplearning4j.nn.graph.vertex.impl; import org.deeplearning4j.berkeley.Pair; import org.deeplearning4j.nn.api.Layer; import org.deeplearning4j.nn.gradient.Gradient; import org.deeplearning4j.nn.graph.ComputationGraph; import org.deeplearning4j.nn.graph.vertex.BaseGraphVertex; import org.deeplearning4j.nn.graph.vertex.VertexIndices; import org.nd4j.linalg.api.ndarray.INDArray; /** An InputVertex simply defines the location (and connection structure) of inputs to the ComputationGraph. * It does not define forward or backward methods. */ public class InputVertex extends BaseGraphVertex { public InputVertex(ComputationGraph graph, String name, int vertexIndex, VertexIndices[] outputVertices) { super(graph, name, vertexIndex, null, outputVertices); } @Override public boolean hasLayer() { return false; } @Override public boolean isOutputVertex() { return false; } @Override public boolean isInputVertex(){ return true; } @Override public Layer getLayer() { return null; } @Override public INDArray doForward(boolean training) { throw new UnsupportedOperationException("Cannot do forward pass for InputVertex"); } @Override public Pair<Gradient, INDArray[]> doBackward(boolean tbptt) { throw new UnsupportedOperationException("Cannot do backward pass for InputVertex"); } @Override public void setBackpropGradientsViewArray(INDArray backpropGradientsViewArray) { if(backpropGradientsViewArray != null) throw new RuntimeException("Vertex does not have gradients; gradients view array cannot be set here"); } @Override public String toString(){ return "InputVertex(id="+vertexIndex+",name=\""+vertexName+"\")"; } } Other Java examples (source code examples)Here is a short list of links related to this Java InputVertex.java source code file: |
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