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1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package java.util.function; |
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26 |
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27 /** |
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28 * An operation on two {@code double} operands yielding a {@code double} result. |
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29 * |
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30 * @since 1.8 |
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31 */ |
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32 public interface DoubleBinaryOperator /* extends BinaryOperator<Double> */ { |
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33 // |
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34 // @Override |
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35 // public default Double operate(Double left, Double right) { return operateAsDouble((double) left, (double) right); } |
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36 |
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37 /** |
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38 * Returns the {@code double} result of the operation upon the |
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39 * {@code double} operands. The parameters are named {@code left} and |
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40 * {@code right} for operations where the order of parameters matters. |
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41 * |
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42 * @param left the left operand value |
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43 * @param right the right operand value |
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44 * @return the result of the operation |
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45 */ |
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46 public double operateAsDouble(double left, double right); |
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47 } |