/*
 * Zorbage: an algebraic data hierarchy for use in numeric processing.
 *
 * Copyright (C) 2016-2017 Barry DeZonia
 * 
 * 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.
 */
package zorbage.util;

/**
 * 
 * @author Barry DeZonia
 *
 */
public class RealUtils {

	private RealUtils() { }
	
	public static boolean near(float f1, float f2, float tol) {
		return Math.abs(f1-f2) <= Math.abs(tol);
	}

	public static boolean near(double f1, double f2, double tol) {
		return Math.abs(f1-f2) <= Math.abs(tol);
	}
}

@@ -1593,32 +1593,111 @@
 2, float tol) %7B%0A
+%09%09if (tol %3C 0) throw new IllegalArgumentException(%22negative tolerance given%22);%0A
 %09%09return Math.ab
@@ -1704,37 +1704,27 @@
 s(f1-f2) %3C= 
-Math.abs(
 tol
-)
 ;%0A%09%7D%0A%0A%09publi
@@ -1781,16 +1781,95 @@
  tol) %7B%0A
+%09%09if (tol %3C 0) throw new IllegalArgumentException(%22negative tolerance given%22);%0A
 %09%09return
@@ -1892,21 +1892,11 @@
  %3C= 
-Math.abs(
 tol
-)
 ;%0A%09%7D

Clean up real utility class