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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.tensor.functions;
import com.google.common.annotations.Beta;
import com.yahoo.tensor.Tensor;
import com.yahoo.tensor.TensorType;
import com.yahoo.tensor.evaluation.EvaluationContext;
import com.yahoo.tensor.evaluation.TypeContext;
/**
* A composite tensor function is a tensor function which can be expressed (less tersely)
* as a tree of primitive tensor functions.
*
* @author bratseth
*/
@Beta
public abstract class CompositeTensorFunction extends TensorFunction {
/** Finds the type this produces by first converting it to a primitive function */
@Override
public final TensorType type(TypeContext context) { return toPrimitive().type(context); }
/** Evaluates this by first converting it to a primitive function */
@Override
public final Tensor evaluate(EvaluationContext context) { return toPrimitive().evaluate(context); }
}
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