X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fbasic.h;h=9c54a67e45b2ed271a6ade82fa636dfc5d4e4fd9;hb=fdade42bf337fa1650bb9d69ee06e3bd1562c951;hp=ee2bef237d0aeb569efaa55f6362def40078d216;hpb=539de73dc25de63f2888f8696d73ac3fc83db45f;p=ginac.git diff --git a/ginac/basic.h b/ginac/basic.h index ee2bef23..9c54a67e 100644 --- a/ginac/basic.h +++ b/ginac/basic.h @@ -24,7 +24,6 @@ #define __GINAC_BASIC_H__ #include -#include #include // CINT needs to work properly with @@ -44,11 +43,13 @@ 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. -#if defined(__GNUC__) && ((__GNUC__ == 2) && (__GNUC_MINOR__ < 97)) - typedef std::vector exvector; +// Cint currently doesn't like vector<..,default_alloc> but malloc_alloc is +// unstandardized and not supported by newer GCCs. This ugly hack will go +// away soon! +#if (defined(__GNUC__) && (__GNUC__ == 2) && (__GNUC_MINOR__ < 97)) || (defined(G__GNUC) && (G__GNUC == 2) && (G__GNUC_MINOR < 97)) + typedef std::vector exvector; #else typedef std::vector exvector; #endif @@ -61,8 +62,6 @@ 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 +100,7 @@ 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 +110,10 @@ 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, bool distributed = false) 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 +126,8 @@ 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 +147,26 @@ 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 };