Added legacy tests for zeta and multiple polylog.

[ginac.git] / ginac / numeric.h

diff --git a/ginac/numeric.h b/ginac/numeric.h
index ff460638e0ed3c402b3499040200d534880e4d89..c0f9a8b6b9ace18f344d53377c13a2f749182fa7 100644 (file)
--- a/ginac/numeric.h
+++ b/ginac/numeric.h
@@ -3,7 +3,7 @@
  *  Makes the interface to the underlying bignum package available. */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -120,6 +120,8 @@ public:
        ex smod(const numeric &xi) const;
        numeric max_coefficient() const;
        ex conjugate() const;
+       ex real_part() const;
+       ex imag_part() const;
 protected:
        /** Implementation of ex::diff for a numeric always returns 0.
         *  @see ex::diff */
@@ -264,6 +266,9 @@ inline bool is_zero(const numeric &x)
 inline bool is_positive(const numeric &x)
 { return x.is_positive(); }
 
+inline bool is_negative(const numeric &x)
+{ return x.is_negative(); }
+
 inline bool is_integer(const numeric &x)
 { return x.is_integer(); }