Add ByteOutputInputTableCodingLoop class.

Claunia.ReedSolomon/ByteOutputInputTableCodingLoop.cs

@@ -0,0 +1,32 @@
+/**
+ * One specific ordering/nesting of the coding loops.
+ *
+ * Copyright 2015, Backblaze, Inc.  All rights reserved.
+ * Copyright © 2019 Natalia Portillo
+ */
+
+namespace Claunia.ReedSolomon
+{
+    public class ByteOutputInputTableCodingLoop : CodingLoopBase
+    {
+        public override void CodeSomeShards(byte[][] matrixRows, byte[][] inputs, int inputCount, byte[][] outputs,
+                                            int outputCount, int offset, int byteCount)
+        {
+            byte[][] table = Galois.MULTIPLICATION_TABLE;
+
+            for(int iByte = offset; iByte < offset + byteCount; iByte++)
+            {
+                for(int iOutput = 0; iOutput < outputCount; iOutput++)
+                {
+                    byte[] matrixRow = matrixRows[iOutput];
+                    int    value     = 0;
+
+                    for(int iInput = 0; iInput < inputCount; iInput++)
+                        value ^= table[matrixRow[iInput] & 0xFF][inputs[iInput][iByte] & 0xFF];
+
+                    outputs[iOutput][iByte] = (byte)value;
+                }
+            }
+        }
+    }
+}

Claunia.ReedSolomon/Claunia.ReedSolomon.csproj

@@ -41,6 +41,7 @@
         <Compile Include="ByteInputOutputExpCodingLoop.cs" />
         <Compile Include="ByteInputOutputTableCodingLoop.cs" />
         <Compile Include="ByteOutputInputExpCodingLoop.cs" />
+        <Compile Include="ByteOutputInputTableCodingLoop.cs" />
         <Compile Include="CodingLoopBase.cs" />
         <Compile Include="Galois.cs" />
         <Compile Include="ICodingLoop.cs" />