X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fmatrix.h;h=26783eabf256c25a35e1fddfeccf5d8f4e7c02da;hp=5642887150b05b45cea96385f4df8ebb8e93de53;hb=359701cc948001e58e6517d88a30fe385d4e42d5;hpb=b9cd4b49ffbfbf3e1c36a2b594ec3148a5baca64

diff --git a/ginac/matrix.h b/ginac/matrix.h
index 56428871..26783eab 100644
--- a/ginac/matrix.h
+++ b/ginac/matrix.h
@@ -3,7 +3,7 @@
  *  Interface to symbolic matrices */
 
 /*
- *  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
@@ -40,24 +40,23 @@ public:
 	matrix(unsigned r, unsigned c, const exvector & m2);
 	matrix(unsigned r, unsigned c, const lst & l);
 	
-	// functions overriding virtual functions from bases classes
+	// functions overriding virtual functions from base classes
 public:
 	void print(const print_context & c, unsigned level = 0) const;
 	unsigned nops() const;
 	ex op(int i) const;
 	ex & let_op(int i);
-	ex expand(unsigned options=0) const;
 	ex eval(int level=0) const;
-	ex evalf(int level=0) const;
+	ex evalm(void) const {return *this;}
 	ex subs(const lst & ls, const lst & lr, bool no_pattern = false) const;
 	ex eval_indexed(const basic & i) const;
 	ex add_indexed(const ex & self, const ex & other) const;
 	ex scalar_mul_indexed(const ex & self, const numeric & other) const;
 	bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
+
 protected:
+	bool match_same_type(const basic & other) const;
 	unsigned return_type(void) const { return return_types::noncommutative; };
-	// new virtual functions which can be overridden by derived classes
-	// (none)
 	
 	// non-virtual functions in this class
 public:
@@ -69,8 +68,11 @@ public:
 	matrix sub(const matrix & other) const;
 	matrix mul(const matrix & other) const;
 	matrix mul(const numeric & other) const;
+	matrix mul_scalar(const ex & other) const;
+	matrix pow(const ex & expn) const;
 	const ex & operator() (unsigned ro, unsigned co) const;
-	matrix & set(unsigned ro, unsigned co, ex value);
+	ex & operator() (unsigned ro, unsigned co);
+	matrix & set(unsigned ro, unsigned co, const ex & value) { (*this)(ro, co) = value; return *this; }
 	matrix transpose(void) const;
 	ex determinant(unsigned algo = determinant_algo::automatic) const;
 	ex trace(void) const;
@@ -101,9 +103,6 @@ inline unsigned nops(const matrix & m)
 inline ex expand(const matrix & m, unsigned options = 0)
 { return m.expand(options); }
 
-inline bool has(const matrix & m, const ex & other)
-{ return m.has(other); }
-
 inline ex eval(const matrix & m, int level = 0)
 { return m.eval(level); }
 
@@ -132,9 +131,11 @@ inline matrix inverse(const matrix & m)
 { return m.inverse(); }
 
 // utility functions
-inline const matrix &ex_to_matrix(const ex &e)
+
+/** Specialization of is_exactly_a<matrix>(obj) for matrix objects. */
+template<> inline bool is_exactly_a<matrix>(const basic & obj)
 {
-	return static_cast<const matrix &>(*e.bp);
+	return obj.tinfo()==TINFO_matrix;
 }
 
 /** Convert list of lists to matrix. */