1 files changed, 25 insertions, 0 deletions
diff --git a/modules/cacsd/macros/contrss.sci b/modules/cacsd/macros/contrss.sci
new file mode 100755
index 000000000..985bf3dde
--- /dev/null
+++ b/modules/cacsd/macros/contrss.sci
@@ -0,0 +1,25 @@
+// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+// Copyright (C) INRIA -
+//
+// 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_V2.1-en.txt
+
+function slc=contrss(a,tol)
+
+    [lhs,rhs]=argn(0)
+    //
+    if typeof(a)<>"state-space" then
+        error(msprintf(gettext("%s: Wrong type for input argument #%d: State-space form expected.\n"),"contrss",1));
+    end
+
+    if rhs==1 then tol=sqrt(%eps);end
+    [a,b,c,d,x0,dom]=a(2:7)
+    //
+    [nc,u]=contr(a,b,tol*norm([a,b],1))
+    u=u(:,1:nc)
+    a=u'*a*u;b=u'*b;c=c*u
+    slc=syslin(dom,a,b,c,d,u'*x0)
+endfunction