X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fnormal.h;h=fb6960f41f7fd13a813a30c507f202ce75fe371a;hp=879e0d4d452cfec697c630f58d7e47024d7187c1;hb=bfb395b4e24e659fc46abc2d2ad4305168d1c6f2;hpb=487e5659efe401683eee0381b0d23f967ffffc3c

diff --git a/ginac/normal.h b/ginac/normal.h
index 879e0d4d..fb6960f4 100644
--- a/ginac/normal.h
+++ b/ginac/normal.h
@@ -1,10 +1,12 @@
 /** @file normal.h
  *
- *  Functions for polynomial quotient and remainder, GCD and LCM computation
- *  and square-free factorization. */
+ *  This file defines several functions that work on univariate and
+ *  multivariate polynomials and rational functions.
+ *  These functions include polynomial quotient and remainder, GCD and LCM
+ *  computation, square-free factorization and rational function normalization. */
 
 /*
- *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2001 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
@@ -21,8 +23,12 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#ifndef NORMAL_H
-#define NORMAL_H
+#ifndef __GINAC_NORMAL_H__
+#define __GINAC_NORMAL_H__
+
+#include "lst.h"
+
+namespace GiNaC {
 
 class ex;
 class symbol;
@@ -46,6 +52,8 @@ extern ex gcd(const ex &a, const ex &b, ex *ca = NULL, ex *cb = NULL, bool check
 extern ex lcm(const ex &a, const ex &b, bool check_args = true);
 
 // Square-free factorization of a polynomial a(x)
-extern ex sqrfree(const ex &a, const symbol &x);
+extern ex sqrfree(const ex &a, const lst &l = lst());
+
+} // namespace GiNaC
 
-#endif
+#endif // ndef __GINAC_NORMAL_H__