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diff --git a/src/org/jogamp/vecmath/Tuple3i.java b/src/org/jogamp/vecmath/Tuple3i.java
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+/*
+ * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package org.jogamp.vecmath;
+
+
+/**
+ * A 3-element tuple represented by signed integer x,y,z
+ * coordinates.
+ *
+ * @since vecmath 1.2
+ */
+public abstract class Tuple3i implements java.io.Serializable, Cloneable {
+
+    static final long serialVersionUID = -732740491767276200L;
+
+    /**
+     * The x coordinate.
+     */
+    public int x;
+
+    /**
+     * The y coordinate.
+     */
+    public int y;
+
+    /**
+     * The z coordinate.
+     */
+    public int z;
+
+
+    /**
+     * Constructs and initializes a Tuple3i from the specified
+     * x, y, and z coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @param z the z coordinate
+     */
+    public Tuple3i(int x, int y, int z) {
+	this.x = x;
+	this.y = y;
+	this.z = z;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple3i from the array of length 3.
+     * @param t the array of length 3 containing x, y, and z in order.
+     */
+    public Tuple3i(int[] t) {
+	this.x = t[0];
+	this.y = t[1];
+	this.z = t[2];
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple3i from the specified Tuple3i.
+     * @param t1 the Tuple3i containing the initialization x, y, and z
+     * data.
+     */
+    public Tuple3i(Tuple3i t1) {
+	this.x = t1.x;
+	this.y = t1.y;
+	this.z = t1.z;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple3i to (0,0,0).
+     */
+    public Tuple3i() {
+	this.x = 0;
+	this.y = 0;
+	this.z = 0;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the specified x, y, and z
+     * coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     * @param z the z coordinate
+     */
+    public final void set(int x, int y, int z) {
+	this.x = x;
+	this.y = y;
+	this.z = z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the specified coordinates in the
+     * array of length 3.
+     * @param t the array of length 3 containing x, y, and z in order.
+     */
+    public final void set(int[] t) {
+	this.x = t[0];
+	this.y = t[1];
+	this.z = t[2];
+    }
+
+
+    /**
+     * Sets the value of this tuple to the value of tuple t1.
+     * @param t1 the tuple to be copied
+     */
+    public final void set(Tuple3i t1) {
+	this.x = t1.x;
+	this.y = t1.y;
+	this.z = t1.z;
+    }
+
+
+    /**
+     * Copies the values of this tuple into the array t.
+     * @param t is the array
+     */
+    public final void get(int[] t) {
+	t[0] = this.x;
+	t[1] = this.y;
+	t[2] = this.z;
+    }
+
+
+    /**
+     * Copies the values of this tuple into the tuple t.
+     * @param t is the target tuple
+     */
+    public final void get(Tuple3i t) {
+	t.x = this.x;
+	t.y = this.y;
+	t.z = this.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the sum of tuples t1 and t2.
+     * @param t1 the first tuple
+     * @param t2 the second tuple
+     */
+    public final void add(Tuple3i t1, Tuple3i t2) {
+	this.x = t1.x + t2.x;
+	this.y = t1.y + t2.y;
+	this.z = t1.z + t2.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the sum of itself and t1.
+     * @param t1 the other tuple
+     */
+    public final void add(Tuple3i t1) {
+	this.x += t1.x;
+	this.y += t1.y;
+	this.z += t1.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the difference
+     * of tuples t1 and t2 (this = t1 - t2).
+     * @param t1 the first tuple
+     * @param t2 the second tuple
+     */
+    public final void sub(Tuple3i t1, Tuple3i t2) {
+	this.x = t1.x - t2.x;
+	this.y = t1.y - t2.y;
+	this.z = t1.z - t2.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the difference
+     * of itself and t1 (this = this - t1).
+     * @param t1 the other tuple
+     */
+    public final void sub(Tuple3i t1) {
+	this.x -= t1.x;
+	this.y -= t1.y;
+	this.z -= t1.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the negation of tuple t1.
+     * @param t1 the source tuple
+     */
+    public final void negate(Tuple3i t1) {
+	this.x = -t1.x;
+	this.y = -t1.y;
+	this.z = -t1.z;
+    }
+
+
+    /**
+     * Negates the value of this tuple in place.
+     */
+    public final void negate() {
+	this.x = -this.x;
+	this.y = -this.y;
+	this.z = -this.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of tuple t1.
+     * @param s the scalar value
+     * @param t1 the source tuple
+     */
+    public final void scale(int s, Tuple3i t1) {
+	this.x = s*t1.x;
+	this.y = s*t1.y;
+	this.z = s*t1.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of the scale factor with this.
+     * @param s the scalar value
+     */
+    public final void scale(int s) {
+	this.x *= s;
+	this.y *= s;
+	this.z *= s;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of tuple t1 plus tuple t2 (this = s*t1 + t2).
+     * @param s the scalar value
+     * @param t1 the tuple to be multipled
+     * @param t2 the tuple to be added
+     */
+    public final void scaleAdd(int s, Tuple3i t1, Tuple3i t2) {
+	this.x = s*t1.x + t2.x;
+	this.y = s*t1.y + t2.y;
+	this.z = s*t1.z + t2.z;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the scalar multiplication
+     * of itself and then adds tuple t1 (this = s*this + t1).
+     * @param s the scalar value
+     * @param t1 the tuple to be added
+     */
+    public final void scaleAdd(int s, Tuple3i t1) {
+        this.x = s*this.x + t1.x;
+        this.y = s*this.y + t1.y;
+        this.z = s*this.z + t1.z;
+    }
+
+
+    /**
+     * Returns a string that contains the values of this Tuple3i.
+     * The form is (x,y,z).
+     * @return the String representation
+     */
+    @Override
+    public String toString() {
+        return "(" + this.x + ", " + this.y + ", " + this.z + ")";
+    }
+
+
+    /**
+     * Returns true if the Object t1 is of type Tuple3i and all of the
+     * data members of t1 are equal to the corresponding data members in
+     * this Tuple3i.
+     * @param t1  the object with which the comparison is made
+     */
+    @Override
+    public boolean equals(Object t1) {
+        try {
+	    Tuple3i t2 = (Tuple3i) t1;
+	    return(this.x == t2.x && this.y == t2.y && this.z == t2.z);
+        }
+        catch (NullPointerException e2) {
+	    return false;
+	}
+        catch (ClassCastException e1) {
+	    return false;
+	}
+    }
+
+
+    /**
+     * Returns a hash code value based on the data values in this
+     * object.  Two different Tuple3i objects with identical data values
+     * (i.e., Tuple3i.equals returns true) will return the same hash
+     * code value.  Two objects with different data members may return the
+     * same hash value, although this is not likely.
+     * @return the integer hash code value
+     */
+    @Override
+    public int hashCode() {
+	long bits = 1L;
+	bits = 31L * bits + (long)x;
+	bits = 31L * bits + (long)y;
+	bits = 31L * bits + (long)z;
+	return (int) (bits ^ (bits >> 32));
+    }
+
+
+    /**
+     *  Clamps the tuple parameter to the range [low, high] and
+     *  places the values into this tuple.
+     *  @param min   the lowest value in the tuple after clamping
+     *  @param max  the highest value in the tuple after clamping
+     *  @param t   the source tuple, which will not be modified
+     */
+    public final void clamp(int min, int max, Tuple3i t) {
+        if( t.x > max ) {
+	    x = max;
+        } else if( t.x < min ) {
+	    x = min;
+        } else {
+	    x = t.x;
+        }
+
+        if( t.y > max ) {
+	    y = max;
+        } else if( t.y < min ) {
+	    y = min;
+        } else {
+	    y = t.y;
+        }
+
+        if( t.z > max ) {
+	    z = max;
+        } else if( t.z < min ) {
+	    z = min;
+        } else {
+	    z = t.z;
+        }
+    }
+
+
+    /**
+     *  Clamps the minimum value of the tuple parameter to the min
+     *  parameter and places the values into this tuple.
+     *  @param min   the lowest value in the tuple after clamping
+     *  @param t   the source tuple, which will not be modified
+     */
+    public final void clampMin(int min, Tuple3i t) {
+        if( t.x < min ) {
+	    x = min;
+        } else {
+	    x = t.x;
+        }
+
+        if( t.y < min ) {
+	    y = min;
+        } else {
+	    y = t.y;
+        }
+
+        if( t.z < min ) {
+	    z = min;
+        } else {
+	    z = t.z;
+        }
+    }
+
+
+    /**
+     *  Clamps the maximum value of the tuple parameter to the max
+     *  parameter and places the values into this tuple.
+     *  @param max   the highest value in the tuple after clamping
+     *  @param t   the source tuple, which will not be modified
+     */
+    public final void clampMax(int max, Tuple3i t) {
+        if( t.x > max ) {
+	    x = max;
+        } else {
+	    x = t.x;
+        }
+
+        if( t.y > max ) {
+	    y = max;
+        } else {
+	    y = t.y;
+        }
+
+        if( t.z > max ) {
+	    z = max;
+        } else {
+	    z = t.z;
+        }
+    }
+
+
+    /**
+     *  Sets each component of the tuple parameter to its absolute
+     *  value and places the modified values into this tuple.
+     *  @param t   the source tuple, which will not be modified
+     */
+    public final void absolute(Tuple3i t) {
+	x = Math.abs(t.x);
+	y = Math.abs(t.y);
+	z = Math.abs(t.z);
+    }
+
+
+    /**
+     *  Clamps this tuple to the range [low, high].
+     *  @param min  the lowest value in this tuple after clamping
+     *  @param max  the highest value in this tuple after clamping
+     */
+    public final void clamp(int min, int max) {
+	if( x > max ) {
+	    x = max;
+        } else if( x < min ) {
+	    x = min;
+        }
+
+        if( y > max ) {
+	    y = max;
+        } else if( y < min ) {
+	    y = min;
+        }
+
+        if( z > max ) {
+	    z = max;
+        } else if( z < min ) {
+	    z = min;
+        }
+    }
+
+
+    /**
+     *  Clamps the minimum value of this tuple to the min parameter.
+     *  @param min   the lowest value in this tuple after clamping
+     */
+    public final void clampMin(int min) {
+	if (x < min)
+	    x=min;
+
+	if (y < min)
+	    y = min;
+
+	if (z < min)
+	    z = min;
+    }
+
+
+    /**
+     *  Clamps the maximum value of this tuple to the max parameter.
+     *  @param max   the highest value in the tuple after clamping
+     */
+    public final void clampMax(int max) {
+	if (x > max)
+	    x = max;
+
+	if (y > max)
+	    y = max;
+
+	if (z > max)
+	    z = max;
+    }
+
+
+    /**
+     *  Sets each component of this tuple to its absolute value.
+     */
+    public final void absolute() {
+	x = Math.abs(x);
+	y = Math.abs(y);
+	z = Math.abs(z);
+    }
+
+    /**
+     * Creates a new object of the same class as this object.
+     *
+     * @return a clone of this instance.
+     * @exception OutOfMemoryError if there is not enough memory.
+     * @see java.lang.Cloneable
+     * @since vecmath 1.3
+     */
+    @Override
+    public Object clone() {
+	// Since there are no arrays we can just use Object.clone()
+	try {
+	    return super.clone();
+	} catch (CloneNotSupportedException e) {
+	    // this shouldn't happen, since we are Cloneable
+	    throw new InternalError();
+	}
+    }
+
+
+    /**
+	 * Get the <i>x</i> coordinate.
+	 *
+	 * @return  the <i>x</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final int getX() {
+		return x;
+	}
+
+
+	/**
+	 * Set the <i>x</i> coordinate.
+	 *
+	 * @param x  value to <i>x</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final void setX(int x) {
+		this.x = x;
+	}
+
+
+	/**
+	 * Get the <i>y</i> coordinate.
+	 *
+	 * @return  the <i>y</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final int getY() {
+		return y;
+	}
+
+
+	/**
+	 * Set the <i>y</i> coordinate.
+	 *
+	 * @param y value to <i>y</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final void setY(int y) {
+		this.y = y;
+	}
+
+	/**
+	 * Get the <i>z</i> coordinate.
+	 *
+	 * @return the <i>z</i> coordinate.
+	 * @since vecmath 1.5
+	 */
+	public final int getZ() {
+		return z;
+	}
+
+
+	/**
+	 * Set the <i>z</i> coordinate.
+	 *
+	 * @param z value to <i>z</i> coordinate.
+	 *
+	 * @since vecmath 1.5
+	 */
+	public final void setZ(int z) {
+		this.z = z;
+	}
+}