Inheritance: IIEncoder32
Exemplo n.º 1
0
 public static SequenceBuilder GetGolynskiListRL2(short t = 16, short block_size = 127, IIEncoder32 coder = null)
 {
     return delegate (IList<int> seq, int sigma) {
         var S = new GolynskiListRL2Seq ();
         //S.PermCodingBuildParams = new SuccRL2CyclicPerms_MRRR.BuildParams (coder, block_size);
         if (coder == null) {
             coder = new EliasDelta ();
         }
         S.Build (seq, sigma, t, coder, block_size);
         return S;
     };
 }
Exemplo n.º 2
0
        /// <summary>
        ///  build methods
        /// </summary>
        public void Build(IEnumerable<int> orderedList, int n, short b, IIEncoder32 coder = null)
        {
            this.N = n;
            this.B = b;
            this.M = 0;
            if (coder == null) {
                coder = new EliasDelta ();
            }
            this.Coder = coder;
            int prev = -1;
            var ctx = new BitStreamCtxRL ();

            foreach (var current in orderedList) {
                if (current == 0) {
                    prev = AccStart;
                }
                this.M++;
                int diff = current - prev;
                //Console.WriteLine ("DIFF {0}, num: {1}", diff, num++);
                if (diff == 1) {
                    ++ctx.run_len;
                } else {
                    this.Commit (ctx);
                    // Console.WriteLine ("%%%%%% diff: {0}, prev: {1}, curr: {2}", diff, prev, current);
                    Coder.Encode (this.Stream, diff);
                }
                if (this.M % this.B == 0) {
                    this.Commit (ctx);
                    this.Samples.Add (current);
                    this.Offsets.Add (this.Stream.CountBits);
                }
                if (current >= this.N) {
                    this.N = current + 1;
                }
                prev = current;
            }
            this.Commit (ctx);
            /*for (int i = 0; i < this.Samples.Count; i++) {
                Console.WriteLine ("-- i: {0}, samples: {1}, offset: {2}", i, Samples[i], Offsets[i]);
            }*/
        }
Exemplo n.º 3
0
 /// <summary>
 ///  build methods
 /// </summary>
 public void Build(IEnumerable<int> orderedList, int n, short b, IIEncoder32 coder = null)
 {
     this.N = n;
     this.B = b;
     this.M = 0;
     if (coder == null) {
         coder = new EliasDelta ();
     }
     this.Coder = coder;
     int prev = -1;
     foreach (var current in orderedList) {
         this.Add (current, prev);
         prev = current;
     }
 }