- added ex::to_rational() to convert general expression to rational expression

[ginac.git] / ginac / normal.h

diff --git a/ginac/normal.h b/ginac/normal.h
index 0fa3a4418b4f4876cbedb70fa4ab0ac09c28b3cc..25a1743bb6f15f4edb921d9769ca532488fdde47 100644 (file)
--- 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) 1999-2000 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
@@ -24,7 +26,9 @@
 #ifndef __GINAC_NORMAL_H__
 #define __GINAC_NORMAL_H__
 
+#ifndef NO_NAMESPACE_GINAC
 namespace GiNaC {
+#endif // ndef NO_NAMESPACE_GINAC
 
 class ex;
 class symbol;
@@ -50,6 +54,8 @@ 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);
 
+#ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC
+#endif // ndef NO_NAMESPACE_GINAC
 
 #endif // ndef __GINAC_NORMAL_H__