SymEngine::MIntPoly Class Reference

Inheritance diagram for SymEngine::MIntPoly:

Collaboration diagram for SymEngine::MIntPoly:

Public Member Functions
	MIntPoly (const set_basic &vars, MIntDict &&dict)
void	accept (Visitor &v) const override
void	accept (EvalRealDoubleVisitorFinal &v) const override
hash_t	__hash__ () const override
RCP< const Basic >	as_symbolic () const
integer_class	eval (std::map< RCP< const Basic >, integer_class, RCPBasicKeyLess > &vals) const
Public Member Functions inherited from SymEngine::MSymEnginePoly< MIntDict, MIntPoly >
	MSymEnginePoly (const set_basic &vars, MIntDict &&dict)
int	compare (const Basic &o) const override
vec_basic	get_args () const override
	Returns the list of arguments.
const MIntDict &	get_poly () const
const set_basic &	get_vars () const
bool	__eq__ (const Basic &o) const override
	Test equality.
Public Member Functions inherited from SymEngine::Basic
TypeID	get_type_code () const
	Basic ()
	Constructor.
	Basic (const Basic &)=delete
	Delete the copy constructor and assignment.
Basic &	operator= (const Basic &)=delete
	Assignment operator in continuation with above.
	Basic (Basic &&)=delete
	Delete the move constructor and assignment.
Basic &	operator= (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.
bool	__neq__ (const Basic &o) const
	true if this is not equal to o.
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 Basic >	subs (const map_basic_basic &subs_dict) const
	Substitutes 'subs_dict' into 'self'.
RCP< const Basic >	xreplace (const map_basic_basic &subs_dict) const
virtual RCP< const Basic >	expand_as_exp () const
	expands the special function in terms of exp function
virtual vec_basic	get_args () const =0
	Returns the list of arguments.
virtual void	accept (Visitor &v) const =0
virtual void	accept (EvalRealDoubleVisitorFinal &v) const =0
RCP< const Basic >	diff (const RCP< const Symbol > &x, bool cache=true) const
Public Member Functions inherited from SymEngine::EnableRCPFromThis< Basic >
RCP< Basic >	rcp_from_this ()
	Get RCP<T> pointer to self (it will cast the pointer to T)
RCP< const Basic >	rcp_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_MINTPOLY

Additional Inherited Members
Public Types inherited from SymEngine::MSymEnginePoly< MIntDict, MIntPoly >
typedef MIntDict	container_type
typedef Container::coef_type	coef_type
Static Public Member Functions inherited from SymEngine::MSymEnginePoly< MIntDict, MIntPoly >
static RCP< const MIntPoly >	from_container (const set_basic &vars, MIntDict &&d)
static enable_if_t< is_a_UPoly< FromPoly >::value, RCP< const MIntPoly > >	from_poly (const FromPoly &p)
static RCP< const MIntPoly >	from_dict (const vec_basic &v, typename Container::dict_type &&d)
static MIntDict	container_from_dict (const set_basic &s, typename Container::dict_type &&d)
Static Public Member Functions inherited from SymEngine::Basic
static RCP< const Basic >	loads (const std::string &)
	Creates an instance of a serialized string.
Data Fields inherited from SymEngine::Basic
TypeID	type_code_

Detailed Description

Definition at line 439 of file msymenginepoly.h.

Constructor & Destructor Documentation

MIntPoly()

SymEngine::MIntPoly::MIntPoly ( const set_basic &  vars, MIntDict &&  dict  )

inline

Definition at line 442 of file msymenginepoly.h.

        : MSymEnginePoly(vars, std::move(dict)){SYMENGINE_ASSIGN_TYPEID()}

Member Function Documentation

__hash__()

hash_t SymEngine::MIntPoly::__hash__ ( ) const

overridevirtual

Calculates the hash of the given SymEngine class. Use Basic.hash() which gives a cached version of the hash.

Returns

64-bit integer value for the hash

Implements SymEngine::Basic.

Definition at line 22 of file msymenginepoly.cpp.

{
    hash_t seed = SYMENGINE_MINTPOLY;
    for (auto var : get_vars())
        hash_combine<std::string>(seed, var->__str__());
 
    for (auto &p : get_poly().dict_) {
        hash_t t = vec_hash<vec_uint>()(p.first);
        hash_combine<hash_t>(t, mp_get_si(p.second));
        seed ^= t;
    }
    return seed;
}

accept() [1/2]

void SymEngine::MIntPoly::accept ( EvalRealDoubleVisitorFinal &  v ) const

overridevirtual

Implements SymEngine::Basic.

accept() [2/2]

void SymEngine::MIntPoly::accept ( Visitor &  v ) const

overridevirtual

Implements SymEngine::Basic.

as_symbolic()

RCP< const Basic > SymEngine::MIntPoly::as_symbolic

(

)

const

Definition at line 6 of file msymenginepoly.cpp.

{
    vec_basic args;
    for (const auto &p : get_poly().dict_) {
        RCP<const Basic> res = integer(p.second);
        int whichvar = 0;
        for (auto sym : get_vars()) {
            if (0 != p.first[whichvar])
                res = SymEngine::mul(res, pow(sym, integer(p.first[whichvar])));
            whichvar++;
        }
        args.push_back(res);
    }
    return SymEngine::add(args);
}

eval()

integer_class SymEngine::MIntPoly::eval

(

std::map< RCP< const Basic >, integer_class, RCPBasicKeyLess > &

vals

)

const

Definition at line 36 of file msymenginepoly.cpp.

{
    // TODO : handle missing values
    integer_class ans(0), temp, term;
    for (auto bucket : get_poly().dict_) {
        term = bucket.second;
        unsigned int whichvar = 0;
        for (auto sym : get_vars()) {
            mp_pow_ui(temp, vals.find(sym)->second, bucket.first[whichvar]);
            term *= temp;
            whichvar++;
        }
        ans += term;
    }
    return ans;
}

Field Documentation

type_code_id

const TypeID SymEngine::MIntPoly::type_code_id = SYMENGINE_MINTPOLY

static

Type_code_id shared by all instances

Definition at line 445 of file msymenginepoly.h.

---

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

• /home/runner/work/symengine/symengine/symengine/polys/msymenginepoly.h
• /home/runner/work/symengine/symengine/symengine/polys/msymenginepoly.cpp