FP64Field.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *      http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.apache.commons.numbers.field;

  18. /**
  19.  * {@link Double} field.
  20.  */
  21. public final class FP64Field extends AbstractField<FP64> {
  22.     /** 0d. */
  23.     private static final FP64 ZERO = FP64.of(0d);
  24.     /** 1d. */
  25.     private static final FP64 ONE = FP64.of(1d);
  26.     /** Singleton. */
  27.     private static final FP64Field INSTANCE = new FP64Field();

  28.     /** Singleton. */
  29.     private FP64Field() {}

  30.     /**
  31.      * Get the field instance.
  32.      *
  33.      * @return the field instance.
  34.      */
  35.     public static FP64Field get() {
  36.         return INSTANCE;
  37.     }

  38.     /** {@inheritDoc} */
  39.     @Override
  40.     public FP64 one() {
  41.         return ONE;
  42.     }

  43.     /** {@inheritDoc} */
  44.     @Override
  45.     public FP64 zero() {
  46.         return ZERO;
  47.     }
  48. }