/// <summary>
 /// Transform the vectors in the given array and put the result in another array.
 /// </summary>
 /// <param name="vectors">An array of vectors to transform.</param>
 /// <param name="transformation">The transformation.</param>
 /// <param name="result">An array of vectors to put the transformation results in (should be empty).</param>
 public static void TransformArray(Vector4DArrayList vectors, Matrix4D transformation, Vector4DArrayList result)
 {
     for (int i = 0; i < vectors.Count; i++)
     {
         result.Add(transformation * vectors[i]);
     }
 }
 public static Vector4DArrayList CreateRandomVector4DArray(int count, IDoubleRandomNumberGenerator r)
 {
     Vector4DArrayList result  = new Vector4DArrayList(count);
     for(int i = 0; i < count; i++)
     {
         result.Add(new Vector4D(r.NextDouble(),r.NextDouble(), r.NextDouble(),r.NextDouble()));
     }
     return result;
 }
 /// <summary>
 /// Transform the vectors in the given array.
 /// </summary>
 /// <param name="vectors">An array of vectors to transform.</param>
 /// <param name="transformation">The transformation.</param>
 /// <remarks>
 /// This method changes the vector values in the <paramref name="vectors"/> array.
 /// </remarks>
 public static void TransformArray(Vector4DArrayList vectors, Matrix4D transformation)
 {
     for (int i = 0; i < vectors.Count; i++)
     {
         vectors[i] = transformation * vectors[i];
     }
 }
        /// <overloads>
        /// Adds a range of elements to the end of the <see cref="Vector4DArrayList"/>.
        /// </overloads>
        /// <summary>
        /// Adds the elements of another collection to the end of the <see cref="Vector4DArrayList"/>.
        /// </summary>
        /// <param name="collection">The <see cref="Vector4DArrayList"/> whose elements
        /// should be added to the end of the current collection.</param>
        /// <exception cref="ArgumentNullException">
        /// <paramref name="collection"/> is a null reference.</exception>
        /// <exception cref="NotSupportedException">
        /// <para>The <see cref="Vector4DArrayList"/> is read-only.</para>
        /// <para>-or-</para>
        /// <para>The <b>Vector4DArrayList</b> has a fixed size.</para>
        /// <para>-or-</para>
        /// <para>The <b>Vector4DArrayList</b> already contains one or more elements
        /// in the specified <paramref name="collection"/>, and the <b>Vector4DArrayList</b>
        /// ensures that all elements are unique.</para></exception>
        /// <remarks>Please refer to <see cref="ArrayList.AddRange"/> for details.</remarks>
        public virtual void AddRange(Vector4DArrayList collection)
        {
            if (collection == null)
                throw new ArgumentNullException("collection");

            if (collection.Count == 0) return;
            if (this._count + collection.Count > this._array.Length)
                EnsureCapacity(this._count + collection.Count);

            ++this._version;
            Array.Copy(collection.InnerArray, 0,
                this._array, this._count, collection.Count);
            this._count += collection.Count;
        }
        /// <summary>
        /// Creates a shallow copy of the <see cref="Vector4DArrayList"/>.
        /// </summary>
        /// <returns>A shallow copy of the <see cref="Vector4DArrayList"/>.</returns>
        /// <remarks>Please refer to <see cref="ArrayList.Clone"/> for details.</remarks>
        public virtual object Clone()
        {
            Vector4DArrayList collection = new Vector4DArrayList(this._count);

            Array.Copy(this._array, 0, collection._array, 0, this._count);
            collection._count = this._count;
            collection._version = this._version;

            return collection;
        }
        /// <summary>
        /// Returns a synchronized (thread-safe) wrapper
        /// for the specified <see cref="Vector4DArrayList"/>.
        /// </summary>
        /// <param name="collection">The <see cref="Vector4DArrayList"/> to synchronize.</param>
        /// <returns>
        /// A synchronized (thread-safe) wrapper around <paramref name="collection"/>.
        /// </returns>
        /// <exception cref="ArgumentNullException">
        /// <paramref name="collection"/> is a null reference.</exception>
        /// <remarks>Please refer to <see cref="ArrayList.Synchronized"/> for details.</remarks>
        public static Vector4DArrayList Synchronized(Vector4DArrayList collection)
        {
            if (collection == null)
                throw new ArgumentNullException("collection");

            return new SyncList(collection);
        }
        /// <summary>
        /// Returns a wrapper for the specified <see cref="Vector4DArrayList"/>
        /// ensuring that all elements are unique.
        /// </summary>
        /// <param name="collection">The <see cref="Vector4DArrayList"/> to wrap.</param>    
        /// <returns>
        /// A wrapper around <paramref name="collection"/> ensuring that all elements are unique.
        /// </returns>
        /// <exception cref="ArgumentException">
        /// <paramref name="collection"/> contains duplicate elements.</exception>
        /// <exception cref="ArgumentNullException">
        /// <paramref name="collection"/> is a null reference.</exception>
        /// <remarks><para>
        /// The <b>Unique</b> wrapper provides a set-like collection by ensuring
        /// that all elements in the <see cref="Vector4DArrayList"/> are unique.
        /// </para><para>
        /// <b>Unique</b> raises an <see cref="ArgumentException"/> if the specified 
        /// <paramref name="collection"/> contains any duplicate elements. The returned
        /// wrapper raises a <see cref="NotSupportedException"/> whenever the user attempts 
        /// to add an element that is already contained in the <b>Vector4DArrayList</b>.
        /// </para><para>
        /// <strong>Note:</strong> The <b>Unique</b> wrapper reflects any changes made
        /// to the underlying <paramref name="collection"/>, including the possible
        /// creation of duplicate elements. The uniqueness of all elements is therefore
        /// no longer assured if the underlying collection is manipulated directly.
        /// </para></remarks>
        public static Vector4DArrayList Unique(Vector4DArrayList collection)
        {
            if (collection == null)
                throw new ArgumentNullException("collection");

            for (int i = collection.Count - 1; i > 0; i--)
                if (collection.IndexOf(collection[i]) < i)
                    throw new ArgumentException("collection",
                        "Argument cannot contain duplicate elements.");

            return new UniqueList(collection);
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="Vector4DArrayList"/> class
        /// that contains elements copied from the specified collection and
        /// that has the same initial capacity as the number of elements copied.
        /// </summary>
        /// <param name="collection">The <see cref="Vector4DArrayList"/>
        /// whose elements are copied to the new collection.</param>
        /// <exception cref="ArgumentNullException">
        /// <paramref name="collection"/> is a null reference.</exception>
        /// <remarks>Please refer to <see cref="ArrayList(ICollection)"/> for details.</remarks>
        public Vector4DArrayList(Vector4DArrayList collection)
        {
            if (collection == null)
                throw new ArgumentNullException("collection");

            this._array = new Vector4D[collection.Count];
            AddRange(collection);
        }
        /// <summary>
        /// Returns a read-only wrapper for the specified <see cref="Vector4DArrayList"/>.
        /// </summary>
        /// <param name="collection">The <see cref="Vector4DArrayList"/> to wrap.</param>
        /// <returns>A read-only wrapper around <paramref name="collection"/>.</returns>
        /// <exception cref="ArgumentNullException">
        /// <paramref name="collection"/> is a null reference.</exception>
        /// <remarks>Please refer to <see cref="ArrayList.ReadOnly"/> for details.</remarks>
        public static Vector4DArrayList ReadOnly(Vector4DArrayList collection)
        {
            if (collection == null)
                throw new ArgumentNullException("collection");

            return new ReadOnlyList(collection);
        }
 internal UniqueList(Vector4DArrayList collection)
     : base(Tag.Default)
 {
     this._collection = collection;
 }
            public override void AddRange(Vector4DArrayList collection)
            {
                foreach (Vector4D value in collection)
                    CheckUnique(value);

                this._collection.AddRange(collection);
            }
 public override void AddRange(Vector4DArrayList collection)
 {
     lock (this._root) this._collection.AddRange(collection);
 }
 internal SyncList(Vector4DArrayList collection)
     : base(Tag.Default)
 {
     this._root = collection.SyncRoot;
     this._collection = collection;
 }
 public override void AddRange(Vector4DArrayList collection)
 {
     throw new NotSupportedException(
         "Read-only collections cannot be modified.");
 }
 internal ReadOnlyList(Vector4DArrayList collection)
     : base(Tag.Default)
 {
     this._collection = collection;
 }
 internal Enumerator(Vector4DArrayList collection)
 {
     this._collection = collection;
     this._version = collection._version;
     this._index = -1;
 }