Dynamic variable for Pi. More...
#include <Variable.h>
Inheritance diagram for PrecisionVariable:
Public Member Functions | |
| PrecisionVariable (const PrecisionVariable *variable) | |
| ExpressionItem * | copy () const |
| bool | representsInteger (bool=false) |
| bool | representsNonInteger (bool=false) |
| int | id () const |
 Public Member Functions inherited from DynamicVariable | |
| DynamicVariable (std::string cat_, std::string name_, std::string title_="", bool is_local=false, bool is_builtin=true, bool is_active=true) | |
| DynamicVariable (const DynamicVariable *variable) | |
| void | set (const ExpressionItem *item) |
| const MathStructure & | get () |
| void | set (const MathStructure &o) |
| void | set (std::string expression_) |
| int | calculatedPrecision () const |
| virtual bool | representsPositive (bool=false) |
| virtual bool | representsNegative (bool=false) |
| virtual bool | representsNonNegative (bool=false) |
| virtual bool | representsNonPositive (bool=false) |
| virtual bool | representsNumber (bool=false) |
| virtual bool | representsRational (bool=false) |
| virtual bool | representsReal (bool=false) |
| virtual bool | representsComplex (bool=false) |
| virtual bool | representsNonZero (bool=false) |
| virtual bool | representsEven (bool=false) |
| virtual bool | representsOdd (bool=false) |
| virtual bool | representsUndefined (bool=false, bool=false, bool=false) |
| virtual bool | representsBoolean () |
| virtual bool | representsNonMatrix () |
| virtual bool | representsScalar () |
| Public Member Functions inherited from KnownVariable | |
| KnownVariable (std::string cat_, std::string name_, const MathStructure &o, std::string title_="", bool is_local=true, bool is_builtin=false, bool is_active=true) | |
| KnownVariable (std::string cat_, std::string name_, std::string expression_, std::string title_="", bool is_local=true, bool is_builtin=false, bool is_active=true) | |
| KnownVariable () | |
| KnownVariable (const KnownVariable *variable) | |
| bool | isKnown () const |
| virtual bool | isExpression () const |
| virtual std::string | expression () const |
| virtual std::string | uncertainty (bool *is_relative=NULL) const |
| virtual std::string | unit () const |
| int | subtype () const |
| virtual void | setUncertainty (std::string standard_uncertainty, bool is_relative=false) |
| virtual void | setUnit (std::string unit_expression) |
| virtual bool | representsFraction (bool=false) |
| virtual bool | representsNonComplex (bool=false) |
| Public Member Functions inherited from Variable | |
| Variable (std::string cat_, std::string name_, std::string title_="", bool is_local=true, bool is_builtin=false, bool is_active=true) | |
| Variable (const Variable *variable) | |
| virtual int | type () const |
| Public Member Functions inherited from ExpressionItem | |
| ExpressionItem (std::string cat_, std::string name_, std::string title_="", std::string descr_="", bool is_local=true, bool is_builtin=false, bool is_active=true) | |
| virtual bool | destroy () |
| bool | isRegistered () const |
| void | setRegistered (bool is_registered) |
| For internal use. | |
| virtual const std::string & | name (bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const |
| virtual const std::string & | referenceName () const |
| virtual const ExpressionName & | preferredName (bool abbreviation=false, bool use_unicode=false, bool plural=false, bool reference=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const |
| virtual const ExpressionName & | preferredInputName (bool abbreviation=false, bool use_unicode=false, bool plural=false, bool reference=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const |
| virtual const ExpressionName & | preferredDisplayName (bool abbreviation=false, bool use_unicode=false, bool plural=false, bool reference=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const |
| virtual const ExpressionName & | getName (size_t index) const |
| virtual void | setName (const ExpressionName &ename, size_t index=1, bool force=true) |
| virtual void | setName (std::string sname, size_t index, bool force=true) |
| virtual void | addName (const ExpressionName &ename, size_t index=0, bool force=true) |
| virtual void | addName (std::string sname, size_t index=0, bool force=true) |
| virtual size_t | countNames () const |
| virtual void | clearNames () |
| virtual void | clearNonReferenceNames () |
| virtual void | removeName (size_t index) |
| virtual size_t | hasName (const std::string &sname, bool case_sensitive=true) const |
| virtual size_t | hasNameCaseSensitive (const std::string &sname) const |
| virtual const ExpressionName & | findName (int abbreviation=-1, int use_unicode=-1, int plural=-1, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const |
| virtual const std::string & | title (bool return_name_if_no_title=true, bool use_unicode=false, bool(*can_display_unicode_string_function)(const char *, void *)=NULL, void *can_display_unicode_string_arg=NULL) const |
| virtual void | setTitle (std::string title_) |
| virtual const std::string & | description () const |
| virtual void | setDescription (std::string descr_) |
| virtual const std::string & | category () const |
| virtual void | setCategory (std::string cat_) |
| virtual bool | hasChanged () const |
| virtual void | setChanged (bool has_changed) |
| virtual bool | isLocal () const |
| virtual bool | setLocal (bool is_local=true, int will_be_active=-1) |
| virtual bool | isBuiltin () const |
| virtual bool | isApproximate () const |
| virtual void | setApproximate (bool is_approx=true) |
| virtual int | precision () const |
| virtual void | setPrecision (int prec) |
| virtual bool | isActive () const |
| virtual void | setActive (bool is_active) |
| virtual bool | isHidden () const |
| virtual void | setHidden (bool is_hidden) |
| virtual int | refcount () const |
| virtual void | ref () |
| virtual void | unref () |
| virtual void | ref (ExpressionItem *o) |
| virtual void | unref (ExpressionItem *o) |
| virtual ExpressionItem * | getReferencer (size_t index=1) const |
| virtual bool | changeReference (ExpressionItem *o_from, ExpressionItem *o_to) |
Additional Inherited Members | |
| Protected Attributes inherited from DynamicVariable | |
| bool | always_recalculate |
| Protected Attributes inherited from KnownVariable | |
| MathStructure * | mstruct |
| MathStructure * | mstruct_alt |
| bool | b_expression |
| int | calculated_precision |
| std::string | sexpression |
| std::string | suncertainty |
| std::string | sunit |
| bool | b_relative_uncertainty |
| Protected Attributes inherited from ExpressionItem | |
| std::string | scat |
| std::string | stitle |
| std::string | sdescr |
| bool | b_local |
| bool | b_changed |
| bool | b_builtin |
| bool | b_approx |
| bool | b_active |
| bool | b_registered |
| bool | b_hidden |
| bool | b_destroyed |
| int | i_ref |
| int | i_precision |
| std::vector< ExpressionItem * > | v_refs |
| std::vector< ExpressionName > | names |
Detailed Description
Dynamic variable for Pi.
Dynamic variable for e, the base of natural logarithms Dynamic variable for Euler's constant Dynamic variable for Catalan's constant Dynamic variable for current precision
Member Function Documentation
◆ copy()
|
inlinevirtual |
Implements DynamicVariable.
◆ id()
|
inlinevirtual |
Reimplemented from KnownVariable.
◆ representsInteger()
|
inlinevirtual |
Reimplemented from DynamicVariable.
◆ representsNonInteger()
|
inlinevirtual |
Reimplemented from DynamicVariable.
The documentation for this class was generated from the following file:
- /home/hanna/Utveckling/libqalculate/libqalculate/Variable.h
