SymEngine::Number Class Referenceabstract
+ Inheritance diagram for SymEngine::Number:
+ Collaboration diagram for SymEngine::Number:

Public Member Functions

virtual bool is_zero () const =0
 
virtual bool is_one () const =0
 
virtual bool is_minus_one () const =0
 
virtual bool is_negative () const =0
 
virtual bool is_positive () const =0
 
virtual bool is_complex () const =0
 
virtual RCP< const Basicconjugate () const
 
virtual bool is_exact () const
 return true if the number is an exact representation
 
bool is_exact_zero () const
 
virtual Evaluateget_eval () const
 Get Evaluate singleton to evaluate numerically.
 
virtual RCP< const Numberadd (const Number &other) const =0
 Addition.
 
virtual RCP< const Numbersub (const Number &other) const
 Subtraction.
 
virtual RCP< const Numberrsub (const Number &other) const
 
virtual RCP< const Numbermul (const Number &other) const =0
 Multiplication.
 
virtual RCP< const Numberdiv (const Number &other) const
 Division.
 
virtual RCP< const Numberrdiv (const Number &other) const
 
virtual RCP< const Numberpow (const Number &other) const =0
 Power.
 
virtual RCP< const Numberrpow (const Number &other) const =0
 
vec_basic get_args () const override
 Returns the list of arguments.
 
virtual bool is_perfect_power (bool is_expected=false) const
 
virtual bool nth_root (const Ptr< RCP< const Number >> &, unsigned long n) const
 
- Public Member Functions inherited from SymEngine::Basic
TypeID get_type_code () const
 
 Basic ()
 Constructor.
 
 Basic (const Basic &)=delete
 Delete the copy constructor and assignment.
 
Basicoperator= (const Basic &)=delete
 Assignment operator in continuation with above.
 
 Basic (Basic &&)=delete
 Delete the move constructor and assignment.
 
Basicoperator= (Basic &&)=delete
 Assignment operator in continuation with above.
 
virtual hash_t __hash__ () const =0
 
hash_t hash () const
 
virtual bool __eq__ (const Basic &o) const =0
 Test equality. More...
 
bool __neq__ (const Basic &o) const
 true if this is not equal to o. More...
 
int __cmp__ (const Basic &o) const
 Comparison operator.
 
virtual int compare (const Basic &o) const =0
 
std::string __str__ () const
 
std::string dumps () const
 Returns a string of the instance serialized.
 
RCP< const Basicsubs (const map_basic_basic &subs_dict) const
 Substitutes 'subs_dict' into 'self'.
 
RCP< const Basicxreplace (const map_basic_basic &subs_dict) const
 
virtual RCP< const Basicexpand_as_exp () const
 expands the special function in terms of exp function
 
virtual void accept (Visitor &v) const =0
 
virtual void accept (EvalRealDoubleVisitorFinal &v) const =0
 
RCP< const Basicdiff (const RCP< const Symbol > &x, bool cache=true) const
 
- Public Member Functions inherited from SymEngine::EnableRCPFromThis< Basic >
RCP< Basicrcp_from_this ()
 Get RCP<T> pointer to self (it will cast the pointer to T)
 
RCP< const Basicrcp_from_this () const
 Get RCP<const T> pointer to self (it will cast the pointer to const T)
 
RCP< const T2 > rcp_from_this_cast () const
 Get RCP<T2> pointer to self (it will cast the pointer to T2)
 
unsigned int use_count () const
 

Additional Inherited Members

- Static Public Member Functions inherited from SymEngine::Basic
static RCP< const Basicloads (const std::string &)
 Creates an instance of a serialized string.
 
- Data Fields inherited from SymEngine::Basic
TypeID type_code_
 

Detailed Description

Definition at line 18 of file number.h.

Member Function Documentation

◆ conjugate()

RCP< const Basic > SymEngine::Number::conjugate ( ) const
virtual
Returns
the conjugate if the class is complex

Reimplemented in SymEngine::NaN, SymEngine::Infty, SymEngine::ComplexDouble, and SymEngine::Complex.

Definition at line 8 of file number.cpp.

9 {
10  if (not is_complex()) {
11  return this->rcp_from_this();
12  }
13  throw NotImplementedError("Not Implemented.");
14 }
RCP< Basic > rcp_from_this()
Get RCP<T> pointer to self (it will cast the pointer to T)
virtual bool is_complex() const =0

◆ is_complex()

◆ is_exact_zero()

bool SymEngine::Number::is_exact_zero ( ) const
inline
Returns
true if the number is equal to 0 and not an approximation

Definition at line 42 of file number.h.

43  {
44  return is_exact() and is_zero();
45  };
virtual bool is_exact() const
return true if the number is an exact representation
Definition: number.h:37
virtual bool is_zero() const =0

◆ is_minus_one()

◆ is_negative()

◆ is_one()

◆ is_positive()

◆ is_zero()


The documentation for this class was generated from the following files: