From ee498f417540084c08cf335a03cdefcd3fa853e4 Mon Sep 17 00:00:00 2001
From: Brijeshcr
Date: Fri, 4 Aug 2017 17:58:41 +0530
Subject: Added Center, Wcenter and Correl

---
 src/c/statisticsFunctions/wcenter/zwcentera.c | 38 +++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/c/statisticsFunctions/wcenter/zwcentera.c

(limited to 'src/c/statisticsFunctions/wcenter/zwcentera.c')

diff --git a/src/c/statisticsFunctions/wcenter/zwcentera.c b/src/c/statisticsFunctions/wcenter/zwcentera.c
new file mode 100644
index 00000000..8571dd62
--- /dev/null
+++ b/src/c/statisticsFunctions/wcenter/zwcentera.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <ones.h>
+#include "addition.h"
+#include "subtraction.h"
+#include "multiplication.h"
+#include "division.h"
+#include "wcenter.h"
+#include "doubleComplex.h"
+#include "sqrt.h"
+
+void zwcentera (doubleComplex* inp, int row, int col, doubleComplex* out)
+{
+    doubleComplex sum = 0, xbar = 0, sigma = 0;
+    for(int i = 0; i < row*col; i++)		// Findinag the maen of all the elements of the matrix
+        sum = zadds(sum,inp[i]);
+    xbar = zrdivs(sum,(row*col));
+    
+    doubleComplex one[row*col];			// Creating a matrix of ones
+    zonesa(one,row,col);
+
+    doubleComplex prod[row*col];
+    for(int i = 0; i < row*col; i++)		// Applying the formula (x(i,j)-xbar)/sigma
+        prod[i] = zmuls(one[i],xbar);
+
+    for(int i = 0; i < row*col; i++)
+        out[i] = zdiffs(inp[i], prod[i]);
+
+    sum = DoubleComplex(0,0);
+    for(int i = 0; i < row*col; i++)
+        sum =  zadds(sum, zmuls(out[i],out[i]));
+
+    sigma = zsqrts(zrdivs(sum,(row*col-1)));
+    
+    for(int i = 0; i < row*col; i++)
+        out[i] = zrdivs(out[i],sigma);
+}
-- 
cgit