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org.nd4j.linalg.api.ops.BaseTransformOp Maven / Gradle / Ivy
/*-
*
* * Copyright 2015 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.nd4j.linalg.api.ops;
import lombok.extern.slf4j.Slf4j;
import lombok.val;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.shape.Shape;
import org.nd4j.linalg.exception.ND4JIllegalStateException;
import org.nd4j.linalg.util.ArrayUtil;
import org.nd4j.linalg.util.LinAlgExceptions;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* A base op for basic getters and setters
*
* @author Adam Gibson
*/
@Slf4j
public abstract class BaseTransformOp extends BaseOp implements TransformOp {
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v1,
SDVariable i_v2) {
this(sameDiff,i_v1,i_v2,false);
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v1,
SDVariable i_v2,
boolean inPlace) {
super(sameDiff,inPlace,new Object[] {i_v2});
if (i_v1 != null && i_v2 != null) {
f().validateDifferentialFunctionsameDiff(i_v1);
f().validateDifferentialFunctionsameDiff(i_v2);
this.sameDiff = sameDiff;
this.inPlace = inPlace;
this.xVertexId = i_v1.getVarName();
this.yVertexId = i_v2.getVarName();
sameDiff.addArgsFor(new SDVariable[]{i_v1,i_v2},this);
if(Shape.isPlaceholderShape(i_v1.getShape())) {
sameDiff.addPropertyToResolve(this,i_v1.getVarName());
}
if(Shape.isPlaceholderShape(i_v2.getShape())) {
sameDiff.addPropertyToResolve(this,i_v2.getVarName());
}
if(i_v1.getShape() != null)
this.n = ArrayUtil.prod(i_v1.getShape());
} else {
throw new IllegalArgumentException("Input not null variables.");
}
}
public BaseTransformOp(SameDiff sameDiff) {
this.sameDiff = sameDiff;
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v1,
SDVariable i_v2,
Object[] extraArgs) {
super(sameDiff,extraArgs);
if (i_v1 != null && i_v2 != null) {
f().validateDifferentialFunctionsameDiff(i_v1);
f().validateDifferentialFunctionsameDiff(i_v2);
this.sameDiff = sameDiff;
this.xVertexId = i_v1.getVarName();
this.yVertexId = i_v2.getVarName();
sameDiff.addArgsFor(new SDVariable[]{i_v1,i_v2},this);
if(i_v1.getShape() != null)
this.n = ArrayUtil.prod(i_v1.getShape());
if(Shape.isPlaceholderShape(i_v1.getShape())) {
sameDiff.addPropertyToResolve(this,i_v1.getVarName());
}
if(Shape.isPlaceholderShape(i_v2.getShape())) {
sameDiff.addPropertyToResolve(this,i_v2.getVarName());
}
} else {
throw new IllegalArgumentException("Input not null variables.");
}
}
public BaseTransformOp(SameDiff sameDiff,SDVariable i_v,boolean inPlace) {
this(sameDiff,i_v,i_v.getShape(),inPlace,null);
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v,
int[] shape,
boolean inPlace,
Object[] extraArgs) {
super(sameDiff,inPlace,extraArgs);
if (i_v != null) {
f().validateDifferentialFunctionsameDiff(i_v);
this.xVertexId = i_v.getVarName();
sameDiff.addArgsFor(new SDVariable[]{i_v},this);
if(i_v.getShape() != null) {
this.n = ArrayUtil.prod(i_v.getShape());
}
if(Shape.isPlaceholderShape(i_v.getShape())) {
sameDiff.addPropertyToResolve(this,i_v.getVarName());
}
} else {
throw new IllegalArgumentException("Input must not null variable.");
}
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v,
Object[] extraArgs) {
this(sameDiff,i_v,i_v.getShape(),false,extraArgs);
}
public BaseTransformOp(INDArray x, INDArray z) {
super(x, z);
LinAlgExceptions.assertSameShape(x, z);
}
public BaseTransformOp() {}
public BaseTransformOp(INDArray x, INDArray z, long n) {
super(x, z, n);
}
public BaseTransformOp(INDArray x, INDArray y, INDArray z, long n) {
super(x, y, z, n);
if (y != null)
LinAlgExceptions.assertSameLength(x, y, z);
else
LinAlgExceptions.assertSameLength(x, z);
}
public BaseTransformOp(INDArray x) {
super(x);
}
@Override
public Type opType() {
if(args() == null || args().length == 1)
return Type.TRANSFORM;
else if(args().length == 2)
return Type.PAIRWISE;
else throw new ND4JIllegalStateException("Illegal number of args (can only be 1 or 2)");
}
@Override
public List calculateOutputShape() {
List ret = new ArrayList<>(1);
if(arg() == null)
throw new ND4JIllegalStateException("No arg found for op!");
val arr = sameDiff.getArrForVarName(arg().getVarName());
if(arr == null)
return Collections.emptyList();
ret.add(arr.shape());
this.n = arr.length();
return ret;
}
@Override
public INDArray z() {
if(z == null) {
if(sameDiff != null) {
this.z = outputVariables()[0].getArr();
if(this.z == null) {
val var = outputVariables()[0];
if(var.getShape() != null)
this. z = var.storeAndAllocateNewArray();
else {
val argsShape = args()[0].getShape();
if(argsShape != null) {
sameDiff.putShapeForVarName(var.getVarName(),argsShape);
this. z = var.storeAndAllocateNewArray();
}
}
}
}
}
return z;
}
}
