X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fmul.h;h=65a291b7993a2b0216c0791541e117333cb705c0;hp=affef3ba0c7ba5f024af2d51b418c8c1de8aef52;hb=759fd0ecbd27c082d89d69a5f77a71eef046f96a;hpb=06eb6b761f4b9d9eed4decd8ed50d94b40b94a0e

diff --git a/ginac/mul.h b/ginac/mul.h
index affef3ba..65a291b7 100644
--- a/ginac/mul.h
+++ b/ginac/mul.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's products of expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2002 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
@@ -45,15 +45,17 @@ public:
 	mul(epvector * vp, const ex & oc);
 	mul(const ex & lh, const ex & mh, const ex & rh);
 	
-	// functions overriding virtual functions from bases classes
+	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level) const;
+	void print(const print_context & c, unsigned level = 0) const;
+	unsigned precedence(void) const {return 50;}
 	bool info(unsigned inf) const;
 	int degree(const ex & s) const;
 	int ldegree(const ex & s) const;
 	ex coeff(const ex & s, int n = 1) const;
 	ex eval(int level=0) const;
 	ex evalf(int level=0) const;
+	ex evalm(void) const;
 	ex series(const relational & s, int order, unsigned options = 0) const;
 	ex normal(lst &sym_lst, lst &repl_lst, int level = 0) const;
 	numeric integer_content(void) const;
@@ -69,10 +71,8 @@ protected:
 	ex thisexpairseq(const epvector & v, const ex & oc) const;
 	ex thisexpairseq(epvector * vp, const ex & oc) const;
 	expair split_ex_to_pair(const ex & e) const;
-	expair combine_ex_with_coeff_to_pair(const ex & e,
-										 const ex & c) const;
-	expair combine_pair_with_coeff_to_pair(const expair & p,
-										   const ex & c) const;
+	expair combine_ex_with_coeff_to_pair(const ex & e, const ex & c) const;
+	expair combine_pair_with_coeff_to_pair(const expair & p, const ex & c) const;
 	ex recombine_pair_to_ex(const expair & p) const;
 	bool expair_needs_further_processing(epp it);
 	ex default_overall_coeff(void) const;
@@ -87,17 +87,14 @@ protected:
 	// non-virtual functions in this class
 protected:
 	epvector * expandchildren(unsigned options) const;
-	
-// member variables
-	
-protected:
-	static unsigned precedence;
 };
 
 // utility functions
-inline const mul &ex_to_mul(const ex &e)
+
+/** Specialization of is_exactly_a<mul>(obj) for mul objects. */
+template<> inline bool is_exactly_a<mul>(const basic & obj)
 {
-	return static_cast<const mul &>(*e.bp);
+	return obj.tinfo()==TINFO_mul;
 }
 
 } // namespace GiNaC