SoPlex
Sequential object-oriented simPlex
Sequential object-oriented simPlex
Sparse vector \(e_i\).A UnitVectorBase is an SVectorBase that can take only one nonzero value with value 1 but arbitrary index. More...
#include <unitvectorbase.h>
Public Member Functions | |
Access | |
| R | value (int n) const |
| returns value = 1 More... | |
Constructors / destructors | |
| UnitVectorBase (int i=0) | |
construct i 'th unit vector. More... | |
| UnitVectorBase (const UnitVectorBase< R > &rhs) | |
| copy constructor More... | |
| UnitVectorBase< R > & | operator= (const UnitVectorBase< R > &rhs) |
| assignment More... | |
| ~UnitVectorBase () | |
| destructor More... | |
Miscellaneous | |
| bool | isConsistent () const |
| consistency check More... | |
 Public Member Functions inherited from SVectorBase< R > | |
| template<> | |
| SVectorBase< Real > & | operator= (const VectorBase< S > &vec) |
| Assignment operator (specialization for Real). More... | |
| template<> | |
| Real | operator* (const SVectorBase< S > &w) const |
| specialization for inner product for sparse vectors More... | |
| int | size () const |
| Number of used indices. More... | |
| int | max () const |
| Maximal number of indices. More... | |
| int | dim () const |
| Dimension of the vector defined as maximal index + 1. More... | |
| int | pos (int i) const |
Position of index i. More... | |
| R | operator[] (int i) const |
Value to index i. More... | |
| Nonzero< R > & | element (int n) |
Reference to the n 'th nonzero element. More... | |
| const Nonzero< R > & | element (int n) const |
The n 'th nonzero element. More... | |
| int & | index (int n) |
Reference to index of n 'th nonzero. More... | |
| int | index (int n) const |
Index of n 'th nonzero. More... | |
| R & | value (int n) |
Reference to value of n 'th nonzero. More... | |
| const R & | value (int n) const |
Value of n 'th nonzero. More... | |
| void | add (int i, const R &v) |
Append one nonzero | |
| void | add (int i) |
| Append one uninitialized nonzero. More... | |
| void | add (const SVectorBase &sv) |
Append nonzeros of sv. More... | |
| void | add (int n, const int i[], const R v[]) |
Append n nonzeros. More... | |
| template<class S > | |
| void | add (int n, const int i[], const S v[]) |
Append n nonzeros. More... | |
| void | add (int n, const Nonzero< R > e[]) |
Append n nonzeros. More... | |
| void | remove (int n, int m) |
Remove nonzeros n thru m. More... | |
| void | remove (int n) |
Remove n 'th nonzero. More... | |
| void | clear () |
| Remove all indices. More... | |
| void | sort () |
| Sort nonzeros to increasing indices. More... | |
| R | maxAbs () const |
| Maximum absolute value, i.e., infinity norm. More... | |
| R | minAbs () const |
| Minimum absolute value. More... | |
| Real | length () const |
| Floating point approximation of euclidian norm (without any approximation guarantee). More... | |
| R | length2 () const |
| Squared norm. More... | |
| SVectorBase< R > & | operator*= (const R &x) |
| Scaling. More... | |
| R | operator* (const VectorBase< R > &w) const |
| Inner product. More... | |
| template<class S > | |
| R | operator* (const SVectorBase< S > &w) const |
| inner product for sparse vectors More... | |
| SVectorBase (int n=0, Nonzero< R > *p_mem=0) | |
| Default constructor. More... | |
| template<class S > | |
| SVectorBase< R > & | operator= (const VectorBase< S > &vec) |
| Assignment operator. More... | |
| SVectorBase< R > & | operator= (const SVectorBase< R > &sv) |
| Assignment operator. More... | |
| template<class S > | |
| SVectorBase< R > & | operator= (const SVectorBase< S > &sv) |
| Assignment operator. More... | |
| SVectorBase< Real > & | scaleAssign (int scaleExp, const SVectorBase< Real > &sv) |
| scale and assign More... | |
| SVectorBase< Real > & | scaleAssign (const int *scaleExp, const SVectorBase< Real > &sv, bool negateExp=false) |
| scale and assign More... | |
| template<class S > | |
| SVectorBase< R > & | assignArray (const S *rowValues, const int *rowIndices, int rowSize) |
| Assignment operator. More... | |
| template<class S > | |
| SVectorBase< R > & | operator= (const SSVectorBase< S > &sv) |
| Assignment operator. More... | |
| Nonzero< R > * | mem () const |
| get pointer to internal memory. More... | |
| void | set_size (int s) |
| Set size of the vector. More... | |
| void | set_max (int m) |
| Set the maximum number of nonzeros in the vector. More... | |
| void | setMem (int n, Nonzero< R > *elmem) |
| Set the memory area where the nonzeros will be stored. More... | |
| bool | isConsistent () const |
| Consistency check. More... | |
Private Attributes | |
Data | |
| SVectorBase< R >::Element | themem |
| memory for sparse vector entry More... | |
Additional Inherited Members | |
| Public Types inherited from SVectorBase< R > | |
| typedef Nonzero< R > | Element |
Sparse vector \(e_i\).
A UnitVectorBase is an SVectorBase that can take only one nonzero value with value 1 but arbitrary index.
Definition at line 44 of file unitvectorbase.h.
|
explicit |
construct i 'th unit vector.
Definition at line 81 of file unitvectorbase.h.
References SVectorBase< R >::add(), and UnitVectorBase< R >::isConsistent().
| UnitVectorBase | ( | const UnitVectorBase< R > & | rhs | ) |
copy constructor
Definition at line 89 of file unitvectorbase.h.
References UnitVectorBase< R >::isConsistent().
| ~UnitVectorBase | ( | ) |
destructor
Definition at line 109 of file unitvectorbase.h.
| bool isConsistent | ( | ) | const |
consistency check
Definition at line 117 of file unitvectorbase.h.
References SVectorBase< R >::isConsistent(), SVectorBase< R >::max(), SVectorBase< R >::mem(), MSGinconsistent, and SVectorBase< R >::size().
Referenced by UnitVectorBase< R >::operator=(), and UnitVectorBase< R >::UnitVectorBase().
| UnitVectorBase<R>& operator= | ( | const UnitVectorBase< R > & | rhs | ) |
assignment
Definition at line 97 of file unitvectorbase.h.
References UnitVectorBase< R >::isConsistent(), and UnitVectorBase< R >::themem.
| R value | ( | int | n | ) | const |
|
private |
memory for sparse vector entry
Definition at line 51 of file unitvectorbase.h.
Referenced by UnitVectorBase< R >::operator=().