NEW FEATURES AND NEW FUNCTIONS

1 files changed, 54 insertions, 0 deletions

diff --git a/src/c/matrixOperations/multiplication/u8mulma.c b/src/c/matrixOperations/multiplication/u8mulma.c
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+++ b/src/c/matrixOperations/multiplication/u8mulma.c
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+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Mushir
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+/*
+** \brief Compute a multiplication for uint8 matrixes.
+** \param in1 : input matrix.
+** \param lines1 : lines of in1 matrix.
+** \param columns1 : columns of in1 matrix.
+** \param in2 : input arry.
+** \param lines2 : lines of in2 matrix.
+** \param columns2 : columns of in2 matrix.
+** \param out : Matrix that contains the multiplication in1 * in2.
+*/
+
+
+/* dgemm function of lapack library does not support uint8,uint16,int8 and int16 datatype so removed*/
+
+#include "matrixMultiplication.h"
+
+void u8mulma(uint8 *in1,int lines1,int columns1,
+             uint8 *in2,int lines2,int columns2,
+             uint8 *out)
+{
+
+  int i = 0;
+  int k = 0;
+  uint8 accu = 0;
+  
+  /* How to convert 2 index matrixes to  one.
+  ** #define in1(a,b) in1[a+b*lines1]
+  ** #define in2(c,d) in2[c+d*lines2]
+  */
+  for(i=0;i < lines1 * columns2; ++i)
+  {  
+    accu = 0;
+    for(k=0;k < columns1; ++k)
+    {  
+      accu += in1[i % lines1 + k * lines1] * in2[k + (i / lines1) * lines2];
+
+    }
+    out[i] = accu;
+      
+  }
+
+}