SymEngine::LambertW Class Reference
+ Inheritance diagram for SymEngine::LambertW:
+ Collaboration diagram for SymEngine::LambertW:

Public Member Functions

virtual void accept (Visitor &v) const
virtual void accept (EvalRealDoubleVisitorFinal &v) const
 LambertW (const RCP< const Basic > &arg)
 LambertW Constructor.
bool is_canonical (const RCP< const Basic > &arg) const
virtual RCP< const Basiccreate (const RCP< const Basic > &arg) const
- Public Member Functions inherited from SymEngine::OneArgFunction
 OneArgFunction (const RCP< const Basic > &arg)
 The arg in OneArgFunction(arg) More...
hash_t __hash__ () const
RCP< const Basicget_arg () const
virtual vec_basic get_args () const
 Returns the list of arguments.
RCP< const Basiccreate (const vec_basic &b) const
virtual bool __eq__ (const Basic &o) const
virtual int compare (const Basic &o) const
 Structural equality comparator.
- Public Member Functions inherited from SymEngine::Basic
TypeID get_type_code () const
 Basic ()
 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.
hash_t hash () const
bool __neq__ (const Basic &o) const
 true if this is not equal to o. More...
int __cmp__ (const Basic &o) const
 Comparison operator.
std::string __str__ () const
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
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

Static Public Attributes

static const TypeID type_code_id = SYMENGINE_LAMBERTW

Additional Inherited Members

- Data Fields inherited from SymEngine::Basic
TypeID type_code_

Detailed Description

Definition at line 549 of file functions.h.

Member Function Documentation

◆ create()

RCP< const Basic > SymEngine::LambertW::create ( const RCP< const Basic > &  arg) const
canonicalized lambertw

Implements SymEngine::OneArgFunction.

Definition at line 1798 of file functions.cpp.

1799 {
1800  return lambertw(arg);
1801 }
RCP< const Basic > lambertw(const RCP< const Basic > &arg)
Create a new LambertW instance:
Definition: functions.cpp:1803

◆ is_canonical()

bool SymEngine::LambertW::is_canonical ( const RCP< const Basic > &  arg) const
true if canonical

Definition at line 1785 of file functions.cpp.

1786 {
1787  if (eq(*arg, *zero))
1788  return false;
1789  if (eq(*arg, *E))
1790  return false;
1791  if (eq(*arg, *div(neg(one), E)))
1792  return false;
1793  if (eq(*arg, *div(log(i2), im2)))
1794  return false;
1795  return true;
1796 }
RCP< const Basic > div(const RCP< const Basic > &a, const RCP< const Basic > &b)
Definition: mul.cpp:426
bool eq(const Basic &a, const Basic &b)
Checks equality for a and b
Definition: basic-inl.h:21
RCP< const Basic > log(const RCP< const Basic > &arg)
Returns the Natural Logarithm from argument arg
Definition: functions.cpp:1731
RCP< const Basic > neg(const RCP< const Basic > &a)
Definition: mul.cpp:438

Field Documentation

◆ type_code_id

const TypeID SymEngine::LambertW::type_code_id = SYMENGINE_LAMBERTW

Type_code_id shared by all instances

Definition at line 557 of file functions.h.

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