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/* Generic definitions */
/* Assertions (useful to generate conditional code) */
/* Current type and class (and size, if applicable) */
/* Value methods */
/* Interfaces (keys) */
/* Interfaces (values) */
/* Abstract implementations (keys) */
/* Abstract implementations (values) */
/* Static containers (keys) */
/* Static containers (values) */
/* Implementations */
/* Synchronized wrappers */
/* Unmodifiable wrappers */
/* Other wrappers */
/* Methods (keys) */
/* Methods (values) */
/* Methods (keys/values) */
/* Methods that have special names depending on keys (but the special names depend on values) */
/* Equality */
/* Object/Reference-only definitions (keys) */
/* Primitive-type-only definitions (keys) */
/* Object/Reference-only definitions (values) */
/*		 
 * Copyright (C) 2003-2013 Paolo Boldi and Sebastiano Vigna 
 *
 * Licensed 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
 *
 *     http://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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 */
package it.unimi.dsi.fastutil.doubles;
/** A class providing static methods and objects that do useful things with comparators.
 */
public class DoubleComparators {
 private DoubleComparators() {}
 /** A type-specific comparator mimicking the natural order. */
 @SuppressWarnings({"unchecked","rawtypes"})
 public static final DoubleComparator NATURAL_COMPARATOR = new AbstractDoubleComparator() {
   public final int compare( final double a, final double b ) {
    return ( Double.compare((a),(b)) );
   }
  };
 /** A type-specific comparator mimicking the opposite of the natural order. */
 @SuppressWarnings({"unchecked","rawtypes"})
 public static final DoubleComparator OPPOSITE_COMPARATOR = new AbstractDoubleComparator() {
   public final int compare( final double a, final double b ) {
    return - ( Double.compare((a),(b)) );
   }
  };
 /** Returns a comparator representing the opposite order of the given comparator. 
	 *
	 * @param c a comparator.
	 * @return a comparator representing the opposite order of c.
	 */
 public static DoubleComparator oppositeComparator( final DoubleComparator c ) {
  return new AbstractDoubleComparator () {
    private final DoubleComparator comparator = c;
    public final int compare( final double a, final double b ) {
     return - comparator.compare( a, b );
    }
   };
 }
}