JAL-3541 selectively merged build.gradle and gradle.properties

[jalview.git] / unused / javajs / util / P4.java

diff --git a/unused/javajs/util/P4.java b/unused/javajs/util/P4.java
new file mode 100644 (file)
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--- /dev/null
+++ b/unused/javajs/util/P4.java
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+/*
+   Copyright (C) 1997,1998,1999
+   Kenji Hiranabe, Eiwa System Management, Inc.
+
+   This program is free software.
+   Implemented by Kenji Hiranabe(hiranabe@esm.co.jp),
+   conforming to the Java(TM) 3D API specification by Sun Microsystems.
+
+   Permission to use, copy, modify, distribute and sell this software
+   and its documentation for any purpose is hereby granted without fee,
+   provided that the above copyright notice appear in all copies and
+   that both that copyright notice and this permission notice appear
+   in supporting documentation. Kenji Hiranabe and Eiwa System Management,Inc.
+   makes no representations about the suitability of this software for any
+   purpose.  It is provided "AS IS" with NO WARRANTY.
+*/
+package javajs.util;
+
+
+
+/**
+ * A 4 element point that is represented by single precision floating point
+ * x,y,z,w coordinates.
+ * 
+ * @version specification 1.1, implementation $Revision: 1.9 $, $Date:
+ *          2006/07/28 17:01:32 $
+ * @author Kenji hiranabe
+ * 
+ * additions by Bob Hanson hansonr@stolaf.edu 9/30/2012
+ * for unique constructor and method names
+ * for the optimization of compiled JavaScript using Java2Script
+ */
+public class P4 extends T4 {
+
+  public P4() {
+    // skip T4() constructor
+  }
+  
+  public static P4 new4(float x, float y, float z, float w) {
+    P4 pt = new P4();
+    pt.set4(x, y, z, w);
+    return pt;
+  }
+
+  public static P4 newPt(P4 value) {
+    P4 pt = new P4();
+    pt.set4(value.x, value.y, value.z, value.w);    
+    return pt;
+  }
+
+  /**
+   * Returns the distance between this point and point p1.
+   * 
+   * @param p1
+   *        the other point
+   * @return the distance between these two points
+   */
+  public final float distance4(P4 p1) {
+    double dx = x - p1.x;
+    double dy = y - p1.y;
+    double dz = z - p1.z;
+    double dw = w - p1.w;
+    return (float) Math.sqrt(dx * dx + dy * dy + dz * dz + dw * dw);
+  }
+
+}