From 958577cac90a99124cd673fde1926781d966d91f Mon Sep 17 00:00:00 2001
From: Ankit Raj
Date: Wed, 21 Jun 2017 10:26:59 +0530
Subject: Updated Scilab2C
---
src/c/statisticsFunctions/stdevf/crowstdevfa.c | 59 ++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 src/c/statisticsFunctions/stdevf/crowstdevfa.c
(limited to 'src/c/statisticsFunctions/stdevf/crowstdevfa.c')
diff --git a/src/c/statisticsFunctions/stdevf/crowstdevfa.c b/src/c/statisticsFunctions/stdevf/crowstdevfa.c
new file mode 100644
index 00000000..38d8cb23
--- /dev/null
+++ b/src/c/statisticsFunctions/stdevf/crowstdevfa.c
@@ -0,0 +1,59 @@
+/*
+ * 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 "stdevf.h"
+#include "meanf.h"
+#include "abs.h"
+
+
+void crowstdevfa(floatComplex *in1, int lines, int columns, floatComplex*in2, floatComplex* out){
+ int i = 0;
+ int j = 0;
+ floatComplex temp = FloatComplex(0.0f,0.0f);
+ floatComplex accumulate = FloatComplex(0.0f,0.0f);
+ floatComplex accumulateFre = FloatComplex(0.0f,0.0f);
+
+ crowmeanfa(in1, lines, columns, in2, out );
+
+ /*we first multiply each cell of the input matrix by its coefficient*/
+ for (j = 0; j < columns; ++j)
+ {
+ accumulate = FloatComplex(0.0f,0.0f);
+ accumulateFre =FloatComplex(0.0f,0.0f);
+ temp = FloatComplex(0.0f,0.0f);
+
+ for ( i = 0 ; i < lines; ++i )
+ {
+
+ temp = cpows ( cdiffs (in1[lines*j + i] ,out[j] ) ,FloatComplex (2.0f, 0.0f ) );
+ temp = cmuls( in2[lines*j + i] , temp);
+
+ accumulate = cadds( temp , accumulate);
+ accumulateFre = cadds (in2[lines*j + i] ,accumulateFre );
+
+ }
+
+ if (lines <= 1)
+ {
+ out[j] = cmuls (FloatComplex(0.0f,0.0f) , accumulate ) ;
+ }
+ else
+ {
+ if( sabss (creals(accumulate)) <= 3e-6 ) accumulate = FloatComplex(sabss(creals(accumulate)) ,cimags(accumulate));
+ if( sabss (cimags(accumulate)) <= 3e-6 ) accumulate = FloatComplex(creals(accumulate) ,sabss(cimags(accumulate)));
+ accumulate = crdivs (accumulate , cdiffs (accumulateFre ,FloatComplex(1.0f,0.0f)) );
+ out[j] =csqrts(accumulate);
+ }
+ }
+
+}
--
cgit