--- rpl/src/interface_cas.cpp	2011/06/23 13:03:39	1.1
+++ rpl/src/interface_cas.cpp	2011/06/23 13:41:16	1.2
@@ -19,16 +19,30 @@
 ================================================================================
 */
 
+
+#include "giac.h"
+
 extern "C"
 {
+
+#	undef PACKAGE
+#	undef PACKAGE_NAME
+#	undef PACKAGE_STRING
+#	undef PACKAGE_TARNAME
+#	undef PACKAGE_VERSION
+#	undef VERSION
+
 #	undef _GNU_SOURCE
+#	undef _POSIX_C_SOURCE
+
 #	include "rpl-conv.h"
 }
 
 #include <iostream>
-#include "giac.h"
 
 using namespace std;
+using namespace giac;
+
 
 /*
 ================================================================================
@@ -44,10 +58,10 @@ using namespace std;
 
 unsigned char *
 interface_cas(struct_processus *s_etat_processus,
-		unsigned char *commande, unsigned char *argument)
+		unsigned char *commande, const char *argument)
 {
-	gen e(string("x^2-1"));
-	cout << factor(e) << endl;
+	gen e(string(argument), giac::context0);
+	//cout << factor(e) << endl;
 
 	return(NULL);
 }