1 files changed, 27 insertions, 0 deletions
diff --git a/src/matrixOperations/trace/dtracea.c b/src/matrixOperations/trace/dtracea.c
new file mode 100644
index 00000000..330064b1
--- /dev/null
+++ b/src/matrixOperations/trace/dtracea.c
@@ -0,0 +1,27 @@
+/*
+ *  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 "matrixTrace.h"
+
+void dtracea ( double* in ,int lines, double* out ){
+    
+    
+    int i = 0 ;
+    *out  = 0 ;
+    
+    for (  i = 0 ; i < lines ; ++i)
+        *out += in[i*lines + i] ;
+    
+    
+}
+
+