X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fnumeric.h;h=bf5c70134cedcfafcad15a06d3c8f003a1777bca;hp=0456b81de8af5d4877b793096d6acadae66c5d69;hb=a32a30d8ccdd0eb945b8180c8fe82d154e9280de;hpb=5a8b8e3c4d882249db35b679ce3144a59a7012e8

diff --git a/ginac/numeric.h b/ginac/numeric.h
index 0456b81d..bf5c7013 100644
--- 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
@@ -105,6 +105,7 @@ public:
 public:
 	unsigned precedence() const {return 30;}
 	bool info(unsigned inf) const;
+	bool is_polynomial(const ex & var) const;
 	int degree(const ex & s) const;
 	int ldegree(const ex & s) const;
 	ex coeff(const ex & s, int n = 1) const;
@@ -119,6 +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 */
@@ -148,6 +151,7 @@ public:
 	const numeric & operator=(double d);
 	const numeric & operator=(const char *s);
 	const numeric inverse() const;
+	numeric step() const;
 	int csgn() const;
 	int compare(const numeric &other) const;
 	bool is_equal(const numeric &other) const;
@@ -180,7 +184,7 @@ public:
 	const numeric denom() const;
 	int int_length() const;
 	// converting routines for interfacing with CLN:
-	numeric(const cln::cl_N &z);
+	explicit numeric(const cln::cl_N &z);
 
 protected:
 	void print_numeric(const print_context & c, const char *par_open, const char *par_close, const char *imag_sym, const char *mul_sym, unsigned level) const;
@@ -250,6 +254,9 @@ inline const numeric pow(const numeric &x, const numeric &y)
 inline const numeric inverse(const numeric &x)
 { return x.inverse(); }
 
+inline numeric step(const numeric &x)
+{ return x.step(); }
+
 inline int csgn(const numeric &x)
 { return x.csgn(); }
 
@@ -259,6 +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(); }