X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fbasic.h;h=9895902b5d85be488acf4c2a5a209254f81ca966;hp=ee2bef237d0aeb569efaa55f6362def40078d216;hb=a8030df4915df6a1ea0312cbffb79ace4795c865;hpb=539de73dc25de63f2888f8696d73ac3fc83db45f

diff --git a/ginac/basic.h b/ginac/basic.h
index ee2bef23..9895902b 100644
--- a/ginac/basic.h
+++ b/ginac/basic.h
@@ -24,7 +24,6 @@
 #define __GINAC_BASIC_H__
 
 #include <iostream>
-#include <typeinfo>
 #include <vector>
 
 // CINT needs <algorithm> to work properly with <vector>
@@ -44,6 +43,7 @@ class lst;
 class numeric;
 class relational;
 class archive_node;
+class print_context;
 
 // Cint doesn't like vector<..,default_alloc> but malloc_alloc is
 // unstandardized and not supported by newer GCCs.
@@ -61,8 +61,6 @@ class basic
 	
 	friend class ex;
 	
-// member functions
-	
 	// default ctor, dtor, copy ctor assignment operator and helpers
 public:
 	basic() : tinfo_key(TINFO_basic), flags(0), refcount(0)
@@ -101,10 +99,7 @@ protected:
 	// new virtual functions which can be overridden by derived classes
 public: // only const functions please (may break reference counting)
 	virtual basic * duplicate() const;
-	virtual void print(std::ostream & os,unsigned upper_precedence = 0) const;
-	virtual void printraw(std::ostream & os) const;
-	virtual void printtree(std::ostream & os, unsigned indent) const;
-	virtual void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence = 0) const;
+	virtual void print(const print_context & c, unsigned level = 0) const;
 	virtual void dbgprint(void) const;
 	virtual void dbgprinttree(void) const;
 	virtual bool info(unsigned inf) const;
@@ -114,10 +109,10 @@ public: // only const functions please (may break reference counting)
 	virtual ex operator[](const ex & index) const;
 	virtual ex operator[](int i) const;
 	virtual bool has(const ex & other) const;
-	virtual int degree(const symbol & s) const;
-	virtual int ldegree(const symbol & s) const;
-	virtual ex coeff(const symbol & s, int n = 1) const;
-	virtual ex collect(const symbol & s) const;
+	virtual int degree(const ex & s) const;
+	virtual int ldegree(const ex & s) const;
+	virtual ex coeff(const ex & s, int n = 1) const;
+	virtual ex collect(const ex & s) const;
 	virtual ex eval(int level = 0) const;
 	virtual ex evalf(int level = 0) const;
 	virtual ex series(const relational & r, int order, unsigned options = 0) const;
@@ -130,6 +125,8 @@ public: // only const functions please (may break reference counting)
 	virtual exvector get_free_indices(void) const;
 	virtual ex simplify_ncmul(const exvector & v) const;
 	virtual ex eval_indexed(const basic & i) const;
+	virtual ex add_indexed(const ex & self, const ex & other) const;
+	virtual ex scalar_mul_indexed(const ex & self, const numeric & other) const;
 	virtual bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
 protected: // non-const functions should be called from class ex only
 	virtual ex derivative(const symbol & s) const;
@@ -149,21 +146,26 @@ public:
 	const basic & hold(void) const;
 	unsigned gethash(void) const { if (flags & status_flags::hash_calculated) return hashvalue; else return calchash(); }
 	unsigned tinfo(void) const {return tinfo_key;}
+
 	/** Set some status_flags. */
 	const basic & setflag(unsigned f) const {flags |= f; return *this;}
+
 	/** Clear some status_flags. */
 	const basic & clearflag(unsigned f) const {flags &= ~f; return *this;}
+
+	/** Get relative precedence level (useful for implementing pretty-printed
+	 *  output). */
+	unsigned get_precedence(void) const {return precedence;}
+
 protected:
 	void ensure_if_modifiable(void) const;
 	
-// member variables
-	
+	// member variables
 protected:
 	unsigned tinfo_key;                 ///< typeinfo
 	mutable unsigned flags;             ///< of type status_flags
 	mutable unsigned hashvalue;         ///< hash value
 	static unsigned precedence;         ///< precedence for printing parens
-	static unsigned delta_indent;       ///< precedence for printtree
 private:
 	unsigned refcount;                  ///< Number of reference counts
 };