/*
 * #%L
 * SCIFIO library for reading and converting scientific file formats.
 * %%
 * Copyright (C) 2011 - 2014 Open Microscopy Environment:
 *   - Board of Regents of the University of Wisconsin-Madison
 *   - Glencoe Software, Inc.
 *   - University of Dundee
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */

package io.scif.formats.tiff;

/**
 * A rational number (numerator over denominator).
 * 
 * @author Curtis Rueden
 */
public class TiffRational extends Number implements Comparable<TiffRational> {

	// -- Fields --

	/** Components of the rational's fractional representation. */
	protected long numer, denom;

	// -- Constructor --

	/** Constructs a rational number. */
	public TiffRational(final long numer, final long denom) {
		this.numer = numer;
		this.denom = denom;
	}

	// -- TiffRational API methods --

	/** Gets this number's numerator. */
	public long getNumerator() {
		return numer;
	}

	/** Gets this number's denominator. */
	public long getDenominator() {
		return denom;
	}

	/** Reduces this rational's fraction to lowest terms. */
	public void reduce() {
		final long sqrt1 = (long) Math.sqrt(numer);
		final long sqrt2 = (long) Math.sqrt(denom);
		final long gcdMax = sqrt1 < sqrt2 ? sqrt1 : sqrt2;
		// search for greatest common divisor
		for (long i = gcdMax; i >= 2; i--) {
			if (numer % i == 0 && denom % i == 0) {
				numer /= i;
				denom /= i;
				reduce();
				break;
			}
		}
	}

	// -- Number API methods --

	/** Returns the value of the specified number as a byte. */
	@Override
	public byte byteValue() {
		return (byte) longValue();
	}

	/** Returns the value of the specified number as a double. */
	@Override
	public double doubleValue() {
		return denom == 0 ? Double.MAX_VALUE : ((double) numer / (double) denom);
	}

	/** Returns the value of the specified number as a float. */
	@Override
	public float floatValue() {
		return (float) doubleValue();
	}

	/** Returns the value of the specified number as an int. */
	@Override
	public int intValue() {
		return (int) longValue();
	}

	/** Returns the value of the specified number as a long. */
	@Override
	public long longValue() {
		return denom == 0 ? Long.MAX_VALUE : (numer / denom);
	}

	/** Returns the value of the specified number as a short. */
	@Override
	public short shortValue() {
		return (short) longValue();
	}

	// -- Object API methods --

	/** Indicates whether some other object is "equal to" this one. */
	@Override
	public boolean equals(final Object o) {
		return o != null && o instanceof TiffRational &&
			compareTo((TiffRational) o) == 0;
	}

	/** Reasonable hash value for use with hashtables. */
	@Override
	public int hashCode() {
		return (int) (numer - denom);
	}

	/** Returns a string representation of the object. */
	@Override
	public String toString() {
		return numer + "/" + denom;
	}

	// -- Comparable API methods --

	/**
	 * Compares this object with the specified object for order. Returns a
	 * negative integer, zero, or a positive integer as this object is less than,
	 * equal to, or greater than the specified object.
	 */
	@Override
	public int compareTo(final TiffRational q) {
		long diff = (numer * q.denom - q.numer * denom);
		if (diff > Integer.MAX_VALUE) diff = Integer.MAX_VALUE;
		else if (diff < Integer.MIN_VALUE) diff = Integer.MIN_VALUE;
		return (int) diff;
	}

}

@@ -1869,15 +1869,13 @@
 %0A%09pr
-otec
+iva
 te
-d
  lon

remove protected fields