--- /dev/null
+/** @file checks.h
+ *
+ * Prototypes for all individual checks. */
+
+/*
+ * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef CHECKS_H
+#define CHECKS_H
+
+// For rand() and friends:
+#include <stdlib.h>
+
+#include "ginac.h"
+
+#ifndef NO_NAMESPACE_GINAC
+using namespace GiNaC;
+#endif // ndef NO_NAMESPACE_GINAC
+
+// prototypes for the expression generating functions in:
+const ex dense_univariate_poly(const symbol & x, unsigned degree);
+const ex dense_bivariate_poly(const symbol & x1, const symbol & x2, unsigned degree);
+
+// prototypes for all individual checks should be unsigned fcn():
+unsigned check_numeric();
+unsigned check_inifcns();
+unsigned check_matrices();
+unsigned check_lsolve();
+
+#endif // ndef CHECKS_H