Merged changes from dev-1_4 branch into the main trunk.

NOTE: all 1.4 development will now proceed on the main trunk. The dev-1_4 branch is closed.


git-svn-id: https://svn.java.net/svn/vecmath~svn/trunk@55 dd45e54d-f42e-c781-df72-dca083a658b1

31 files changed, 551 insertions, 47 deletions

diff --git a/src/javax/vecmath/AxisAngle4d.java b/src/javax/vecmath/AxisAngle4d.java
index a72e7f0..7dbd59c 100644
--- a/src/javax/vecmath/AxisAngle4d.java
+++ b/src/javax/vecmath/AxisAngle4d.java
@@ -110,7 +110,7 @@ public class AxisAngle4d implements java.io.Serializable, Cloneable {
      * @param axis the axis
      * @param angle the angle of rotation in radian
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public AxisAngle4d(Vector3d axis, double angle) {
 	this.x = axis.x;
@@ -193,7 +193,7 @@ public class AxisAngle4d implements java.io.Serializable, Cloneable {
      * @param axis the axis
      * @param angle the angle of rotation in radians
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Vector3d axis, double angle) {
 	this.x = axis.x;
@@ -521,7 +521,7 @@ public class AxisAngle4d implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/AxisAngle4f.java b/src/javax/vecmath/AxisAngle4f.java
index 6cb625e..ec3b7da 100644
--- a/src/javax/vecmath/AxisAngle4f.java
+++ b/src/javax/vecmath/AxisAngle4f.java
@@ -109,7 +109,7 @@ public class AxisAngle4f implements java.io.Serializable, Cloneable {
      * @param axis the axis
      * @param angle the angle of rotation in radians
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public AxisAngle4f(Vector3f axis, float angle) {
 	this.x = axis.x;
@@ -193,7 +193,7 @@ public class AxisAngle4f implements java.io.Serializable, Cloneable {
      * @param axis the axis
      * @param angle the angle of rotation in radians
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Vector3f axis, float angle) {
 	this.x = axis.x;
@@ -517,7 +517,7 @@ public class AxisAngle4f implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Color3b.java b/src/javax/vecmath/Color3b.java
index ec9e136..7d465ec 100644
--- a/src/javax/vecmath/Color3b.java
+++ b/src/javax/vecmath/Color3b.java
@@ -82,7 +82,7 @@ public class Color3b extends Tuple3b implements java.io.Serializable {
      * @param color the AWT color with which to initialize this
      * Color3b object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Color3b(Color color) {
 	super((byte)color.getRed(),
@@ -107,7 +107,7 @@ public class Color3b extends Tuple3b implements java.io.Serializable {
      *
      * @param color the AWT color to copy into this Color3b object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Color color) {
 	x = (byte)color.getRed();
@@ -122,7 +122,7 @@ public class Color3b extends Tuple3b implements java.io.Serializable {
      *
      * @return a new AWT Color object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final Color get() {
 	int r = (int)x & 0xff;
diff --git a/src/javax/vecmath/Color3f.java b/src/javax/vecmath/Color3f.java
index b2578ab..76736e9 100644
--- a/src/javax/vecmath/Color3f.java
+++ b/src/javax/vecmath/Color3f.java
@@ -86,7 +86,7 @@ public class Color3f extends Tuple3f implements java.io.Serializable {
      * @param color the AWT color with which to initialize this
      * Color3f object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Color3f(Color color) {
 	super((float)color.getRed() / 255.0f,
@@ -111,7 +111,7 @@ public class Color3f extends Tuple3f implements java.io.Serializable {
      *
      * @param color the AWT color to copy into this Color3f object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Color color) {
 	x = (float)color.getRed() / 255.0f;
@@ -126,7 +126,7 @@ public class Color3f extends Tuple3f implements java.io.Serializable {
      *
      * @return a new AWT Color object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final Color get() {
 	int r = Math.round(x * 255.0f);
diff --git a/src/javax/vecmath/Color4b.java b/src/javax/vecmath/Color4b.java
index f824648..42d6843 100644
--- a/src/javax/vecmath/Color4b.java
+++ b/src/javax/vecmath/Color4b.java
@@ -85,7 +85,7 @@ public class Color4b extends Tuple4b implements java.io.Serializable {
      * @param color the AWT color with which to initialize this
      * Color4b object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Color4b(Color color) {
 	super((byte)color.getRed(),
@@ -111,7 +111,7 @@ public class Color4b extends Tuple4b implements java.io.Serializable {
      *
      * @param color the AWT color to copy into this Color4b object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Color color) {
 	x = (byte)color.getRed();
@@ -127,7 +127,7 @@ public class Color4b extends Tuple4b implements java.io.Serializable {
      *
      * @return a new AWT Color object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final Color get() {
 	int r = (int)x & 0xff;
diff --git a/src/javax/vecmath/Color4f.java b/src/javax/vecmath/Color4f.java
index 8cbace1..0d2f5c4 100644
--- a/src/javax/vecmath/Color4f.java
+++ b/src/javax/vecmath/Color4f.java
@@ -88,7 +88,7 @@ public class Color4f extends Tuple4f implements java.io.Serializable {
      * @param color the AWT color with which to initialize this
      * Color4f object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Color4f(Color color) {
 	super((float)color.getRed() / 255.0f,
@@ -114,7 +114,7 @@ public class Color4f extends Tuple4f implements java.io.Serializable {
      *
      * @param color the AWT color to copy into this Color4f object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Color color) {
 	x = (float)color.getRed() / 255.0f;
@@ -130,7 +130,7 @@ public class Color4f extends Tuple4f implements java.io.Serializable {
      *
      * @return a new AWT Color object
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final Color get() {
 	int r = Math.round(x * 255.0f);
diff --git a/src/javax/vecmath/GMatrix.java b/src/javax/vecmath/GMatrix.java
index 7744dcc..21f277f 100644
--- a/src/javax/vecmath/GMatrix.java
+++ b/src/javax/vecmath/GMatrix.java
@@ -2964,7 +2964,7 @@ public class GMatrix implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	GMatrix m1 = null;
diff --git a/src/javax/vecmath/GVector.java b/src/javax/vecmath/GVector.java
index 4718ae8..2b57ffc 100644
--- a/src/javax/vecmath/GVector.java
+++ b/src/javax/vecmath/GVector.java
@@ -891,7 +891,7 @@ public class GVector implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	GVector v1 = null;
diff --git a/src/javax/vecmath/Matrix3d.java b/src/javax/vecmath/Matrix3d.java
index 7804ef9..2a02b44 100644
--- a/src/javax/vecmath/Matrix3d.java
+++ b/src/javax/vecmath/Matrix3d.java
@@ -3088,7 +3088,7 @@ static  double max3( double[] values) {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	Matrix3d m1 = null;
diff --git a/src/javax/vecmath/Matrix3f.java b/src/javax/vecmath/Matrix3f.java
index 17ec205..5ccd6c5 100644
--- a/src/javax/vecmath/Matrix3f.java
+++ b/src/javax/vecmath/Matrix3f.java
@@ -2080,7 +2080,7 @@ public class Matrix3f implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	Matrix3f m1 = null;
diff --git a/src/javax/vecmath/Matrix4d.java b/src/javax/vecmath/Matrix4d.java
index 62f62f8..6a7bd31 100644
--- a/src/javax/vecmath/Matrix4d.java
+++ b/src/javax/vecmath/Matrix4d.java
@@ -3568,7 +3568,7 @@ public class Matrix4d implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	Matrix4d m1 = null;
diff --git a/src/javax/vecmath/Matrix4f.java b/src/javax/vecmath/Matrix4f.java
index 9de5849..9c9d843 100644
--- a/src/javax/vecmath/Matrix4f.java
+++ b/src/javax/vecmath/Matrix4f.java
@@ -3228,7 +3228,7 @@ public class Matrix4f implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	Matrix4f m1 = null;
diff --git a/src/javax/vecmath/Point2i.java b/src/javax/vecmath/Point2i.java
new file mode 100644
index 0000000..945e6a9
--- /dev/null
+++ b/src/javax/vecmath/Point2i.java
@@ -0,0 +1,64 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Use is subject to license terms.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+package javax.vecmath;
+
+import java.lang.Math;
+
+/**
+ * A 2-element point represented by signed integer x,y
+ * coordinates.
+ *
+ * @since vecmath 1.4
+ */
+public class Point2i extends Tuple2i implements java.io.Serializable {
+
+    static final long serialVersionUID = 9208072376494084954L;
+
+    /**
+     * Constructs and initializes a Point2i from the specified
+     * x and y coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     */
+    public Point2i(int x, int y) {
+	super(x, y);
+    }
+
+
+    /**
+     * Constructs and initializes a Point2i from the array of length 2.
+     * @param t the array of length 2 containing x and y in order.
+     */
+    public Point2i(int[] t) {
+	super(t);
+    }
+
+
+    /**
+     * Constructs and initializes a Point2i from the specified Tuple2i.
+     * @param t1 the Tuple2i containing the initialization x and y
+     * data.
+     */
+    public Point2i(Tuple2i t1) {
+	super(t1);
+    }
+
+
+    /**
+     * Constructs and initializes a Point2i to (0,0).
+     */
+    public Point2i() {
+	super();
+    }
+
+}
diff --git a/src/javax/vecmath/Point3i.java b/src/javax/vecmath/Point3i.java
index 66fbf73..cc229a0 100644
--- a/src/javax/vecmath/Point3i.java
+++ b/src/javax/vecmath/Point3i.java
@@ -18,7 +18,7 @@ import java.lang.Math;
  * A 3 element point represented by signed integer x,y,z
  * coordinates.
  *
- * @since Java 3D 1.2
+ * @since vecmath 1.2
  */
 public class Point3i extends Tuple3i implements java.io.Serializable {
 
diff --git a/src/javax/vecmath/Point4d.java b/src/javax/vecmath/Point4d.java
index 1b8e667..2983e4b 100644
--- a/src/javax/vecmath/Point4d.java
+++ b/src/javax/vecmath/Point4d.java
@@ -95,7 +95,7 @@ public class Point4d extends Tuple4d implements java.io.Serializable {
      * is set to 1.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Point4d(Tuple3d t1) {
 	super(t1.x, t1.y, t1.z, 1.0);
@@ -117,7 +117,7 @@ public class Point4d extends Tuple4d implements java.io.Serializable {
      * is set to 1.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Tuple3d t1) {
 	this.x = t1.x;
diff --git a/src/javax/vecmath/Point4f.java b/src/javax/vecmath/Point4f.java
index 7d6f193..f990886 100644
--- a/src/javax/vecmath/Point4f.java
+++ b/src/javax/vecmath/Point4f.java
@@ -95,7 +95,7 @@ public class Point4f extends Tuple4f implements java.io.Serializable {
      * is set to 1.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Point4f(Tuple3f t1) {
 	super(t1.x, t1.y, t1.z, 1.0f);
@@ -117,7 +117,7 @@ public class Point4f extends Tuple4f implements java.io.Serializable {
      * is set to 1.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Tuple3f t1) {
 	this.x = t1.x;
diff --git a/src/javax/vecmath/Point4i.java b/src/javax/vecmath/Point4i.java
index 80ecb12..d5e6dac 100644
--- a/src/javax/vecmath/Point4i.java
+++ b/src/javax/vecmath/Point4i.java
@@ -18,7 +18,7 @@ import java.lang.Math;
  * A 4 element point represented by signed integer x,y,z,w
  * coordinates.
  *
- * @since Java 3D 1.2
+ * @since vecmath 1.2
  */
 public class Point4i extends Tuple4i implements java.io.Serializable {
 
diff --git a/src/javax/vecmath/TexCoord4f.java b/src/javax/vecmath/TexCoord4f.java
index 763140d..bc3b2a3 100644
--- a/src/javax/vecmath/TexCoord4f.java
+++ b/src/javax/vecmath/TexCoord4f.java
@@ -18,7 +18,7 @@ import java.lang.Math;
  * A 4 element texture coordinate that is represented by single precision 
  * floating point x,y,z,w coordinates.
  *
- * @since Java 3D 1.3
+ * @since vecmath 1.3
  */
 public class TexCoord4f extends Tuple4f implements java.io.Serializable {
 
diff --git a/src/javax/vecmath/Tuple2d.java b/src/javax/vecmath/Tuple2d.java
index 3c018e4..efff339 100644
--- a/src/javax/vecmath/Tuple2d.java
+++ b/src/javax/vecmath/Tuple2d.java
@@ -522,7 +522,7 @@ public abstract class Tuple2d implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple2f.java b/src/javax/vecmath/Tuple2f.java
index 45db4ae..5e55637 100644
--- a/src/javax/vecmath/Tuple2f.java
+++ b/src/javax/vecmath/Tuple2f.java
@@ -526,7 +526,7 @@ public abstract class Tuple2f implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple2i.java b/src/javax/vecmath/Tuple2i.java
new file mode 100644
index 0000000..e1a1d18
--- /dev/null
+++ b/src/javax/vecmath/Tuple2i.java
@@ -0,0 +1,440 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Use is subject to license terms.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+package javax.vecmath;
+
+import java.lang.Math;
+
+/**
+ * A 2-element tuple represented by signed integer x,y
+ * coordinates.
+ *
+ * @since vecmath 1.4
+ */
+public abstract class Tuple2i implements java.io.Serializable, Cloneable {
+
+    static final long serialVersionUID = -3555701650170169638L;
+
+    /**
+     * The x coordinate.
+     */
+    public int x;
+
+    /**
+     * The y coordinate.
+     */
+    public int y;
+
+
+    /**
+     * Constructs and initializes a Tuple2i from the specified
+     * x and y coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     */
+    public Tuple2i(int x, int y) {
+	this.x = x;
+	this.y = y;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2i from the array of length 2.
+     * @param t the array of length 2 containing x and y in order.
+     */
+    public Tuple2i(int[] t) {
+	this.x = t[0];
+	this.y = t[1];
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2i from the specified Tuple2i.
+     * @param t1 the Tuple2i containing the initialization x and y
+     * data.
+     */
+    public Tuple2i(Tuple2i t1) {
+	this.x = t1.x;
+	this.y = t1.y;
+    }
+
+
+    /**
+     * Constructs and initializes a Tuple2i to (0,0).
+     */
+    public Tuple2i() {
+	this.x = 0;
+	this.y = 0;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the specified x and y
+     * coordinates.
+     * @param x the x coordinate
+     * @param y the y coordinate
+     */
+    public final void set(int x, int y) {
+	this.x = x;
+	this.y = y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the specified coordinates in the
+     * array of length 2.
+     * @param t the array of length 2 containing x and y in order.
+     */
+    public final void set(int[] t) {
+	this.x = t[0];
+	this.y = t[1];
+    }
+
+
+    /**
+     * Sets the value of this tuple to the value of tuple t1.
+     * @param t1 the tuple to be copied
+     */
+    public final void set(Tuple2i t1) {
+	this.x = t1.x;
+	this.y = t1.y;
+    }
+
+
+    /**
+     * 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;
+    }
+
+
+    /**
+     * Copies the values of this tuple into the tuple t.
+     * @param t is the target tuple
+     */
+    public final void get(Tuple2i t) {
+	t.x = this.x;
+	t.y = this.y;
+    }
+
+
+    /**
+     * 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(Tuple2i t1, Tuple2i t2) {
+	this.x = t1.x + t2.x;
+	this.y = t1.y + t2.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the sum of itself and t1.
+     * @param t1 the other tuple
+     */
+    public final void add(Tuple2i t1) {
+	this.x += t1.x;
+	this.y += t1.y;
+    }
+
+
+    /**
+     * 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(Tuple2i t1, Tuple2i t2) {
+	this.x = t1.x - t2.x;
+	this.y = t1.y - t2.y;
+    }
+
+
+    /**
+     * 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(Tuple2i t1) {
+	this.x -= t1.x;
+	this.y -= t1.y;
+    }
+
+
+    /**
+     * Sets the value of this tuple to the negation of tuple t1.
+     * @param t1 the source tuple
+     */
+    public final void negate(Tuple2i t1) {
+	this.x = -t1.x;
+	this.y = -t1.y;
+    }
+
+
+    /**
+     * Negates the value of this tuple in place.
+     */
+    public final void negate() {
+	this.x = -this.x;
+	this.y = -this.y;
+    }
+
+
+    /**
+     * 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, Tuple2i t1) {
+	this.x = s*t1.x;
+	this.y = s*t1.y;
+    }
+
+
+    /**
+     * 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;
+    }
+
+
+    /**
+     * 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, Tuple2i t1, Tuple2i t2) {
+	this.x = s*t1.x + t2.x;
+	this.y = s*t1.y + t2.y;
+    }
+
+
+    /**
+     * 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, Tuple2i t1) {
+        this.x = s*this.x + t1.x;
+        this.y = s*this.y + t1.y;
+    }
+
+
+    /**
+     * Returns a string that contains the values of this Tuple2i.
+     * The form is (x,y).
+     * @return the String representation
+     */
+    public String toString() {
+        return "(" + this.x + ", " + this.y + ")";
+    }
+
+
+    /**
+     * Returns true if the Object t1 is of type Tuple2i and all of the
+     * data members of t1 are equal to the corresponding data members in
+     * this Tuple2i.
+     * @param t1  the object with which the comparison is made
+     */
+    public boolean equals(Object t1) {
+        try {
+	    Tuple2i t2 = (Tuple2i) t1;
+	    return(this.x == t2.x && this.y == t2.y);
+        }
+        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 Tuple2i objects with identical data values
+     * (i.e., Tuple2i.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
+     */
+    public int hashCode() {
+	long bits = 1L;
+	bits = 31L * bits + (long)x;
+	bits = 31L * bits + (long)y;
+	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, Tuple2i 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;
+        }
+    }
+
+
+    /**
+     *  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, Tuple2i t) {
+        if( t.x < min ) {
+	    x = min;
+        } else {
+	    x = t.x;
+        }
+
+        if( t.y < min ) {
+	    y = min;
+        } else {
+	    y = t.y;
+        }
+    }
+
+
+    /**
+     *  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, Tuple2i t) {
+        if( t.x > max ) {
+	    x = max;
+        } else {
+	    x = t.x;
+        }
+
+        if( t.y > max ) {
+	    y = max;
+        } else {
+	    y = t.y;
+        }
+    }
+
+
+    /**
+     *  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(Tuple2i t) {
+	x = Math.abs(t.x);
+	y = Math.abs(t.y);
+    }
+
+
+    /**
+     *  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;
+        }
+    }
+
+
+    /**
+     *  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;
+    }
+
+
+    /**
+     *  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;
+    }
+
+
+    /**
+     *  Sets each component of this tuple to its absolute value.
+     */
+    public final void absolute() {
+	x = Math.abs(x);
+	y = Math.abs(y);
+    }
+
+    /**
+     * 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
+     */
+    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();
+	}
+    }
+
+}
diff --git a/src/javax/vecmath/Tuple3b.java b/src/javax/vecmath/Tuple3b.java
index 0d4ea14..f965ee3 100644
--- a/src/javax/vecmath/Tuple3b.java
+++ b/src/javax/vecmath/Tuple3b.java
@@ -214,7 +214,7 @@ public abstract class Tuple3b implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple3d.java b/src/javax/vecmath/Tuple3d.java
index f4764cc..d43bd77 100644
--- a/src/javax/vecmath/Tuple3d.java
+++ b/src/javax/vecmath/Tuple3d.java
@@ -652,7 +652,7 @@ public abstract class Tuple3d implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple3f.java b/src/javax/vecmath/Tuple3f.java
index b390e5f..bbbecf2 100644
--- a/src/javax/vecmath/Tuple3f.java
+++ b/src/javax/vecmath/Tuple3f.java
@@ -606,7 +606,7 @@ public abstract class Tuple3f implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple3i.java b/src/javax/vecmath/Tuple3i.java
index bc25b94..2fbdb99 100644
--- a/src/javax/vecmath/Tuple3i.java
+++ b/src/javax/vecmath/Tuple3i.java
@@ -18,7 +18,7 @@ import java.lang.Math;
  * A 3-element tuple represented by signed integer x,y,z
  * coordinates.
  *
- * @since Java 3D 1.2
+ * @since vecmath 1.2
  */
 public abstract class Tuple3i implements java.io.Serializable, Cloneable {
 
@@ -487,7 +487,7 @@ public abstract class Tuple3i implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple4b.java b/src/javax/vecmath/Tuple4b.java
index 1132755..76b1f8d 100644
--- a/src/javax/vecmath/Tuple4b.java
+++ b/src/javax/vecmath/Tuple4b.java
@@ -231,7 +231,7 @@ public abstract class Tuple4b implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple4d.java b/src/javax/vecmath/Tuple4d.java
index 96c5ce4..0abb70c 100644
--- a/src/javax/vecmath/Tuple4d.java
+++ b/src/javax/vecmath/Tuple4d.java
@@ -736,7 +736,7 @@ public abstract class Tuple4d implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple4f.java b/src/javax/vecmath/Tuple4f.java
index 6f0e255..f2d2323 100644
--- a/src/javax/vecmath/Tuple4f.java
+++ b/src/javax/vecmath/Tuple4f.java
@@ -667,7 +667,7 @@ public abstract class Tuple4f implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Tuple4i.java b/src/javax/vecmath/Tuple4i.java
index 8c40ec9..f9251cf 100644
--- a/src/javax/vecmath/Tuple4i.java
+++ b/src/javax/vecmath/Tuple4i.java
@@ -18,7 +18,7 @@ import java.lang.Math;
  * A 4-element tuple represented by signed integer x,y,z,w
  * coordinates.
  *
- * @since Java 3D 1.2
+ * @since vecmath 1.2
  */
 public abstract class Tuple4i implements java.io.Serializable, Cloneable {
 
@@ -552,7 +552,7 @@ public abstract class Tuple4i implements java.io.Serializable, Cloneable {
      * @return a clone of this instance.
      * @exception OutOfMemoryError if there is not enough memory.
      * @see java.lang.Cloneable
-     * @since Java 3D 1.3
+     * @since vecmath 1.3
      */
     public Object clone() {
 	// Since there are no arrays we can just use Object.clone()
diff --git a/src/javax/vecmath/Vector4d.java b/src/javax/vecmath/Vector4d.java
index 255d81e..1f17751 100644
--- a/src/javax/vecmath/Vector4d.java
+++ b/src/javax/vecmath/Vector4d.java
@@ -90,7 +90,7 @@ public class Vector4d extends Tuple4d implements java.io.Serializable {
      * is set to 0.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Vector4d(Tuple3d t1) {
 	super(t1.x, t1.y, t1.z, 0.0);
@@ -112,7 +112,7 @@ public class Vector4d extends Tuple4d implements java.io.Serializable {
      * is set to 0.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Tuple3d t1) {
 	this.x = t1.x;
diff --git a/src/javax/vecmath/Vector4f.java b/src/javax/vecmath/Vector4f.java
index 5c0e885..7feb3f0 100644
--- a/src/javax/vecmath/Vector4f.java
+++ b/src/javax/vecmath/Vector4f.java
@@ -94,7 +94,7 @@ public class Vector4f extends Tuple4f implements java.io.Serializable {
      * is set to 0.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public Vector4f(Tuple3f t1) {
 	super(t1.x, t1.y, t1.z, 0.0f);
@@ -116,7 +116,7 @@ public class Vector4f extends Tuple4f implements java.io.Serializable {
      * is set to 0.
      * @param t1 the tuple to be copied
      *
-     * @since Java 3D 1.2
+     * @since vecmath 1.2
      */
     public final void set(Tuple3f t1) {
 	this.x = t1.x;