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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.math.util;
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import java.io.Serializable;
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import org.apache.commons.math.MathException;
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* Subclasses implementing this interface can transform Objects to doubles.
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* @version $Revision: 611497 $ $Date: 2008-01-12 15:07:09 -0700 (Sat, 12 Jan 2008) $
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public interface NumberTransformer extends Serializable {
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* Implementing this interface provides a facility to transform
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* from Object to Double.
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* @param o the Object to be transformed.
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* @return the double value of the Object.
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* @throws MathException if the Object can not be transformed into a Double.
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double transform(Object o) throws MathException;
b'\\ No newline at end of file'