org.nd4j.linalg.api.ops.random.BaseRandomOp Maven / Gradle / Ivy
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* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
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* * information regarding copyright ownership.
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* * SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops.random;
import lombok.NoArgsConstructor;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.common.base.Preconditions;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseOp;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.api.ops.OpContext;
import org.nd4j.linalg.api.ops.RandomOp;
import org.nd4j.linalg.api.shape.LongShapeDescriptor;
import org.nd4j.linalg.api.shape.Shape;
import org.nd4j.linalg.factory.Nd4j;
import java.util.Collections;
import java.util.List;
@NoArgsConstructor
public abstract class BaseRandomOp extends BaseOp implements RandomOp {
protected long[] shape;
protected DataType dataType = Nd4j.defaultFloatingPointType();
public BaseRandomOp(SameDiff sameDiff, SDVariable i_v) {
Preconditions.checkNotNull(i_v, "Input variable can't be null with this constructor");
this.sameDiff = sameDiff;
this.xVertexId = i_v.name();
if(i_v.getShape() != null)
this.shape = i_v.getShape();
else if(i_v.getArr() != null && i_v.getArr().shape() != null)
this.shape = i_v.getArr().shape();
sameDiff.addArgsFor(new String[]{xVertexId},this);
}
public BaseRandomOp(SameDiff sd, long[] shape){
super(sd, null);
Preconditions.checkArgument(shape != null && shape.length > 0, "Shape must be non-null, length > 0. Got: %s", shape);
this.sameDiff = sd;
this.shape = shape;
setInstanceId();
sameDiff.addArgsFor(new String[0], this);
}
public BaseRandomOp(INDArray x, INDArray y, INDArray z){
super(x,y,z);
}
@Override
public Type opType() {
return Type.RANDOM;
}
@Override
public List calculateOutputShape() {
return calculateOutputShape(null);
}
@Override
public List calculateOutputDataTypes(List inputDataTypes) {
return Collections.singletonList(DataType.FLOAT);
}
@Override
public boolean isInPlace(){
return x == null || x == z || x.data().pointer().address() == z.data().pointer().address();
}
public boolean isTripleArgRngOp(){
return false;
}
}