Returns the sign for float value x : float « Data Type « Java

Returns the sign for float value x

import java.math.BigDecimal;

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 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
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public class Main {
   * Returns the <a href=""> sign</a>
   * for float value <code>x</code>.
   * <p>
   * For a float value x, this method returns +1.0F if x > 0, 0.0F if x =
   * 0.0F, and -1.0F if x < 0. Returns <code>NaN</code> if <code>x</code>
   * is <code>NaN</code>.</p>
   * @param x the value, a float
   * @return +1.0F, 0.0F, or -1.0F, depending on the sign of x
  public static float sign(final float x) {
      if (Float.isNaN(x)) {
          return Float.NaN;
      return (x == 0.0F) ? 0.0F : (x > 0.0F) ? 1.0F : -1.0F;


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