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Added constant getting and setting

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This commit is contained in:
maartenkeijzer 2005-10-06 22:14:48 +00:00
commit b55e868817
2 changed files with 72 additions and 13 deletions
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24
eo/contrib/mathsym/fun/FunDef.h
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@ -54,23 +54,35 @@ class FunDef {
extern std::vector<const FunDef*> get_defined_functions();
extern const FunDef& get_element(token_t token);
/* Single case evaluation */
/** Single case evaluation */
extern double eval(const Sym& sym, const std::vector<double>& inputs);
/* Static analysis through interval arithmetic */
/** Static analysis through interval arithmetic */
extern Interval eval(const Sym& sym, const std::vector<Interval>& inputs);
/* Pretty printers, second version allows setting of variable names */
/** Pretty printers, second version allows setting of variable names */
extern std::string c_print(const Sym& sym);
/** Pretty printers, allows setting of variable names */
extern std::string c_print(const Sym& sym, const std::vector<std::string>& var_names);
/* Pretty printer streamer */
/** Pretty printer streamer */
inline std::ostream& operator<<(std::ostream& os, Sym sym) { return os << c_print(sym); }
/* Create constant */
/** Create constant with this value, memory is managed. If reference count drops to zero value is deleted. */
extern Sym SymConst(double value);
/* Create variable */
/** Get out the values for all constants in the expression */
std::vector<double> get_constants(Sym sym);
/** Set the values for all constants in the expression. Vector needs to be the same size as the one get_constants returns
* The argument isn't touched, it will return a new sym with the constants set. */
Sym set_constants(Sym sym, const std::vector<double>& constants);
/** check if a token is constant (for instance Sym sym; is_constant(sym.token()); ) */
extern bool is_constant(token_t token);
/** Create variable */
extern Sym SymVar(unsigned idx);
/* Add function to the language table (and take a guess at the arity) */