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

Public Member Functions

virtual void accept (Visitor &v) const
 
virtual void accept (EvalRealDoubleVisitorFinal &v) const
 
virtual hash_t __hash__ () const
 
virtual bool __eq__ (const Basic &o) const
 Test equality. More...
 
virtual int compare (const Basic &o) const
 
virtual vec_basic get_args () const
 Returns the list of arguments. More...
 
 Union (const set_set &in)
 
virtual RCP< const Setset_intersection (const RCP< const Set > &o) const
 
virtual RCP< const Setset_union (const RCP< const Set > &o) const
 
virtual RCP< const Setset_complement (const RCP< const Set > &o) const
 
virtual RCP< const Booleancontains (const RCP< const Basic > &a) const
 
const set_setget_container () const
 
RCP< const Setcreate (const set_set &in) const
 
- Public Member Functions inherited from SymEngine::Set
virtual vec_basic get_args () const =0
 Returns the list of arguments. More...
 
virtual RCP< const Setset_intersection (const RCP< const Set > &o) const =0
 
virtual RCP< const Setset_union (const RCP< const Set > &o) const =0
 
virtual RCP< const Setset_complement (const RCP< const Set > &o) const =0
 
virtual RCP< const Booleancontains (const RCP< const Basic > &a) const =0
 
bool is_subset (const RCP< const Set > &o) const
 
bool is_proper_subset (const RCP< const Set > &o) const
 
bool is_superset (const RCP< const Set > &o) const
 
bool is_proper_superset (const RCP< const Set > &o) const
 
- Public Member Functions inherited from SymEngine::Basic
TypeID get_type_code () const
 
 Basic ()
 Constructor. More...
 
 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. More...
 
virtual int compare (const Basic &o) const =0
 
std::string __str__ () const
 
std::string dumps () const
 Returns a string of the instance serialized. More...
 
RCP< const Basicsubs (const map_basic_basic &subs_dict) const
 Substitutes 'subs_dict' into 'self'. More...
 
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 More...
 
virtual vec_basic get_args () const =0
 Returns the list of arguments. More...
 
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) More...
 
RCP< const Basicrcp_from_this () const
 Get RCP<const T> pointer to self (it will cast the pointer to const T) More...
 
RCP< const T2 > rcp_from_this_cast () const
 Get RCP<T2> pointer to self (it will cast the pointer to T2) More...
 
unsigned int use_count () const
 

Static Public Member Functions

static bool is_canonical (const set_set &in)
 
- Static Public Member Functions inherited from SymEngine::Basic
static RCP< const Basicloads (const std::string &)
 Creates an instance of a serialized string. More...
 

Static Public Attributes

static const TypeID type_code_id = SYMENGINE_UNION
 

Private Attributes

set_set container_
 

Additional Inherited Members

- Data Fields inherited from SymEngine::Basic
TypeID type_code_
 

Detailed Description

Definition at line 368 of file sets.h.

Constructor & Destructor Documentation

◆ Union()

SymEngine::Union::Union ( const set_set in)

Definition at line 1187 of file sets.cpp.

1188 : container_(in){SYMENGINE_ASSIGN_TYPEID()
1189 SYMENGINE_ASSERT(Union::is_canonical(in))}

Member Function Documentation

◆ __eq__()

bool SymEngine::Union::__eq__ ( const Basic o) const
virtual

Test equality.

A virtual function for testing the equality of two Basic objects

Deprecated:
Use eq(const Basic &a, const Basic &b) non-member method
Parameters
oa constant reference to object to test against
Returns
True if this is equal to o

Implements SymEngine::Basic.

Definition at line 1199 of file sets.cpp.

1200{
1201 if (is_a<Union>(o)) {
1202 const Union &other = down_cast<const Union &>(o);
1203 return unified_eq(container_, other.container_);
1204 }
1205 return false;
1206}

◆ __hash__()

hash_t SymEngine::Union::__hash__ ( ) const
virtual

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 1191 of file sets.cpp.

1192{
1193 hash_t seed = SYMENGINE_UNION;
1194 for (const auto &a : container_)
1195 hash_combine<Basic>(seed, *a);
1196 return seed;
1197}

◆ accept() [1/2]

virtual void SymEngine::Union::accept ( EvalRealDoubleVisitorFinal v) const
virtual

Implements SymEngine::Basic.

◆ accept() [2/2]

virtual void SymEngine::Union::accept ( Visitor v) const
virtual

Implements SymEngine::Basic.

◆ compare()

int SymEngine::Union::compare ( const Basic o) const
virtual

Returns -1, 0, 1 for this < o, this == o, this > o. This method is used when you want to sort things like x+y+z into canonical order. This function assumes that o is the same type as this. Use __cmp__ if you want general comparison.

Implements SymEngine::Basic.

Definition at line 1223 of file sets.cpp.

1224{
1225 SYMENGINE_ASSERT(is_a<Union>(o))
1226 const Union &other = down_cast<const Union &>(o);
1227 return unified_compare(container_, other.container_);
1228}
int unified_compare(const T &a, const T &b)
Definition: dict.h:205

◆ contains()

RCP< const Boolean > SymEngine::Union::contains ( const RCP< const Basic > &  a) const
virtual

Implements SymEngine::Set.

Definition at line 1266 of file sets.cpp.

1267{
1268 for (auto &a : container_) {
1269 auto contain = a->contains(o);
1270 if (eq(*contain, *boolTrue)) {
1271 return boolean(true);
1272 }
1273 if (is_a<Contains>(*contain))
1274 throw NotImplementedError("Not implemented");
1275 }
1276 return boolean(false);
1277}
bool eq(const Basic &a, const Basic &b)
Checks equality for a and b
Definition: basic-inl.h:21

◆ create()

RCP< const Set > SymEngine::Union::create ( const set_set in) const

Definition at line 1279 of file sets.cpp.

1280{
1281 return SymEngine::set_union(in);
1282}

◆ get_args()

vec_basic SymEngine::Union::get_args ( ) const
virtual

Returns the list of arguments.

Implements SymEngine::Set.

Definition at line 1284 of file sets.cpp.

1285{
1286 vec_basic v(container_.begin(), container_.end());
1287 return v;
1288}
T begin(T... args)
T end(T... args)

◆ get_container()

const set_set & SymEngine::Union::get_container ( ) const
inline

Definition at line 387 of file sets.h.

388 {
389 return this->container_;
390 }

◆ is_canonical()

bool SymEngine::Union::is_canonical ( const set_set in)
static

Definition at line 1208 of file sets.cpp.

1209{
1210 if (in.size() <= 1)
1211 return false;
1212 int count = 0;
1213 for (const auto &s : in) {
1214 if (is_a<FiniteSet>(*s)) {
1215 count++;
1216 }
1217 if (count >= 2)
1218 return false;
1219 }
1220 return true;
1221}
T count(T... args)

◆ set_complement()

RCP< const Set > SymEngine::Union::set_complement ( const RCP< const Set > &  o) const
virtual

Implements SymEngine::Set.

Definition at line 1257 of file sets.cpp.

1258{
1259 set_set container;
1260 for (auto &a : container_) {
1261 container.insert(a->set_complement(o));
1262 }
1263 return SymEngine::set_intersection(container);
1264}
T insert(T... args)

◆ set_intersection()

RCP< const Set > SymEngine::Union::set_intersection ( const RCP< const Set > &  o) const
virtual

Implements SymEngine::Set.

Definition at line 1248 of file sets.cpp.

1249{
1250 set_set container;
1251 for (auto &a : container_) {
1252 container.insert(a->set_intersection(o));
1253 }
1254 return SymEngine::set_union(container);
1255}

◆ set_union()

RCP< const Set > SymEngine::Union::set_union ( const RCP< const Set > &  o) const
virtual

Implements SymEngine::Set.

Definition at line 1230 of file sets.cpp.

1231{
1232 set_set container(container_);
1233 for (auto iter = container.begin(); iter != container.end(); ++iter) {
1234 auto temp = o->set_union(*iter);
1235 // If we are able to do union with `*iter`, we replace `*iter` with
1236 // the result of union.
1237 auto un = SymEngine::make_set_union({o, *iter});
1238 if (not eq(*temp, *un)) {
1239 iter = container.erase(iter);
1240 container.insert(temp);
1241 return SymEngine::set_union(container);
1242 }
1243 }
1244 container.insert(o);
1245 return SymEngine::make_set_union(container);
1246}

Field Documentation

◆ container_

set_set SymEngine::Union::container_
private

Definition at line 371 of file sets.h.

◆ type_code_id

const TypeID SymEngine::Union::type_code_id = SYMENGINE_UNION
static

Type_code_id shared by all instances

Definition at line 374 of file sets.h.


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