Scaling and Log2 added

1 files changed, 38 insertions, 0 deletions

diff --git a/2.3-1/src/c/graphics/transforms/scaling/zscalinga.c b/2.3-1/src/c/graphics/transforms/scaling/zscalinga.c
new file mode 100644
index 00000000..fb71a77e
--- /dev/null
+++ b/2.3-1/src/c/graphics/transforms/scaling/zscalinga.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2017 - 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
+ Organization: FOSSEE, IIT Bombay
+ Author: Brijesh Gupta C R
+ Email: toolbox@scilab.in
+*/
+#include <stdio.h>
+#include <math.h>
+#include "scaling.h"
+#include "ones.h"
+#include "matrixMultiplication.h"
+#include "doubleComplex.h"
+#include "subtraction.h"
+#include "addition.h"
+#include "multiplication.h"
+
+void zscalinga (doubleComplex* inp1, int row, int col, doubleComplex inp2, doubleComplex* inp3, int size3, doubleComplex* out)
+{
+    doubleComplex temp[row*col], one[col], prod[row*col], diff[row*col];
+
+    for(int i = 0; i < row*col; i++)
+	temp[i] = inp1[i];
+
+    zonesa(one, 1, col);
+
+    zmulma(inp3, 2, 1, one, 1, col, prod);
+
+    for(int i = 0; i < row*col; i++)
+	diff[i] = zdiffs(inp1[i], prod[i]);
+
+    for(int i = 0; i < row*col; i++)
+	out[i] = zadds(zmuls(inp2, diff[i]), prod[i]);    
+}