From 3f52712f806fbd80d66dfdcaff401e5cf94dcca4 Mon Sep 17 00:00:00 2001
From: yash1112
Date: Fri, 7 Jul 2017 21:20:49 +0530
Subject: sci2c arduino updated
---
src/c/statisticsFunctions/variance/cvariancea.c | 36 +++++++++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 src/c/statisticsFunctions/variance/cvariancea.c
(limited to 'src/c/statisticsFunctions/variance/cvariancea.c')
diff --git a/src/c/statisticsFunctions/variance/cvariancea.c b/src/c/statisticsFunctions/variance/cvariancea.c
new file mode 100644
index 00000000..9d43928d
--- /dev/null
+++ b/src/c/statisticsFunctions/variance/cvariancea.c
@@ -0,0 +1,36 @@
+/*
+ * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ * Copyright (C) 2008-2008 - INRIA - Allan SIMON
+ *
+ * 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
+ *
+ */
+
+#include "variance.h"
+
+floatComplex cvariancea(floatComplex *in, int size)
+{
+ int i = 0 ;
+
+ floatComplex sum = FloatComplex ( 0 , 0 ) ;
+ floatComplex temp = FloatComplex ( 0 , 0 ) ;
+ floatComplex variance = FloatComplex ( 0 , 0 );
+ floatComplex mean = cmeana ( in , size ) ;
+
+ for ( i = 0 ; i < size ; i++)
+ {
+ temp = cdiffs( in[i] , mean ) ;
+ sum = cadds ( sum , cpows ( temp , FloatComplex ( 2, 0) ) );
+ }
+
+ variance = crdivs (sum , FloatComplex ( (float)(size - 1),0 ));
+
+ return variance ;
+
+
+}
+
--
cgit