FieldBivariateFunction.java
/*
* Licensed to the Hipparchus project under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The Hipparchus project licenses this file to You 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
*
* https://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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hipparchus.analysis;
import org.hipparchus.Field;
import org.hipparchus.CalculusFieldElement;
/**
* An interface representing a bivariate field function.
* @since 1.5
*/
public interface FieldBivariateFunction {
/** Convert to a {@link CalculusFieldBivariateFunction} with a specific type.
* @param <T> the type of the field elements
* @param field field for the argument and value
* @return converted function
*/
default <T extends CalculusFieldElement<T>> CalculusFieldBivariateFunction<T> toCalculusFieldBivariateFunction(Field<T> field) {
return this::value;
}
/**
* Compute the value for the function.
*
* @param x Abscissa for which the function value should be computed.
* @param y Ordinate for which the function value should be computed.
* @param <T> type of the field elements
* @return the value.
*/
<T extends CalculusFieldElement<T>> T value(T x, T y);
}