How to use

decrementExact

method

in

java.lang.Math

  private int decrementActiveClients( int clientState )
  {
    return getStatus( clientState ) | Math.decrementExact( getActiveClients( clientState ) );
  }
}

/**
 * Creates a new {@code gco:UnlimitedInteger} for the given value.
 * A null value is interpreted as infinity (i.e. no bound).
 */
UnlimitedInteger(Integer value, final boolean inclusive) {
  if (value == null) {
    isInfinite = Boolean.TRUE;
  } else {
    if (!inclusive) {
      value = Math.decrementExact(value);
    }
    this.value = value;
  }
}

/**
 * Creates an iterator for the given region in the given raster.
 *
 * @param  input    the raster which contains the sample values to read.
 * @param  output   the raster where to write the sample values, or {@code null} for read-only iterator.
 * @param  subArea  the raster region where to perform the iteration, or {@code null}
 *                  for iterating over all the raster domain.
 * @param  window   size of the window to use in {@link #createWindow(TransferType)} method, or {@code null} if none.
 */
DefaultIterator(final Raster input, final WritableRaster output, final Rectangle subArea, final Dimension window) {
  super(input, output, subArea, window);
  currentLowerX = lowerX;
  currentUpperX = upperX;
  currentUpperY = upperY;
  x = Math.decrementExact(lowerX);        // Set the position before first pixel.
  y = lowerY;
}

/**
 * Creates an iterator for the given region in the given image.
 *
 * @param  input    the image which contains the sample values to read.
 * @param  output   the image where to write the sample values, or {@code null} for read-only iterator.
 * @param  subArea  the image region where to perform the iteration, or {@code null}
 *                  for iterating over all the image domain.
 * @param  window   size of the window to use in {@link #createWindow(TransferType)} method, or {@code null} if none.
 */
DefaultIterator(final RenderedImage input, final WritableRenderedImage output, final Rectangle subArea, final Dimension window) {
  super(input, output, subArea, window);
  tileX = Math.decrementExact(tileLowerX);
  tileY = tileLowerY;
  currentLowerX = lowerX;
  currentUpperX = lowerX;                 // Really 'lower', so the position is the tile before the first tile.
  currentUpperY = lowerY;
  x = Math.decrementExact(lowerX);        // Set the position before first pixel.
  y = lowerY;
}

  private int decrementActiveClients( int clientState )
  {
    return getStatus( clientState ) | Math.decrementExact( getActiveClients( clientState ) );
  }
}

high = Math.decrementExact(high);

if (!isHighIncluded) {
  for (int i=dimension; i < coordinates.length; i++) {
    coordinates[i] = Math.decrementExact(coordinates[i]);