HLIBpro  1.2
Public Member Functions | Protected Member Functions | List of all members
TBlockVector Class Reference

Class for a blocked, scalar vector.

#include <TBlockVector.hh>

Inheritance diagram for TBlockVector:
TVector TTypeInfo

Public Member Functions

 TBlockVector (const uint nb=0)
 construct block vector with nb sub blocks
 TBlockVector (const TIndexSet &ais, const std::vector< TVector * > &ablocks)
virtual ~TBlockVector ()
 dtor
virtual size_t size () const
 return size of vector
virtual uint n_blocks () const
 return number of blocks
TVector * block (const uint i)
 access single vector block
const TVector * block (const uint i) const
 access single vector block
void set_block (const uint i, TVector *v)
 set single vector block
void set_block_struct (const uint i)
 setup block structure of vector
virtual real entry (const idx_t i) const
 return i'th entry
virtual const complex centry (const idx_t i) const
 return i'th entry
virtual void set_entry (const idx_t i, const real f)
 set i'th entry
virtual void set_centry (const idx_t i, const complex f)
 set i'th entry
virtual void fill (const real f)
 fill with constant
virtual void fill_rand (const uint seed)
 fill with random numbers
virtual void axpy (const real alpha, const TVector *x)
 set this ≔ this + α · x
virtual void scale (const real alpha)
 set this ≔ α · this
virtual void assign (const real alpha, const TVector *x)
 set this ≔ α · x
virtual real norm2 () const
 compute ‖·‖₂
virtual real norm_inf () const
 compute ‖·‖∞
virtual void conjugate ()
 conjugate entries
virtual void cfill (const complex &f)
 fill with constant
virtual void cscale (const complex &alpha)
 set this ≔ α · this
virtual void cassign (const complex &alpha, const TVector *x)
 set this ≔ α · x
virtual void caxpy (const complex &f, const TVector *x)
 set this ≔ this + α · x
virtual complex dot (const TVector *x) const
 return dot-product, $<x,y> = x^H · y$, where $x$ = this
virtual typeid_t type () const
 return type of vector
virtual bool is_type (const typeid_t t) const
 return true if local object is of given type t
virtual size_t byte_size () const
 return size in bytes used by this object
virtual TVector * copy () const
 return copy of vector
virtual TVector * create () const
 return object of same class
virtual void print (const uint ofs=0) const
 print vector to stdout
- Public Member Functions inherited from TVector
 TVector (const idx_t offset=0, const bool use_complex=false)
 construct real or complex valued vector with first index offset
virtual ~TVector ()
 dtor
idx_t ofs () const
 return first index (offset)
virtual void set_ofs (const idx_t n)
 set first index (offset)
TIndexSet is () const
 return index set
bool is_complex () const
 return true if vector is complex valued
void set_complex (const bool b)
 change between real and complex valued representation
TVector & operator= (const TVector &v)
 copy operator for all vectors
virtual size_t global_byte_size () const
virtual TVector * restrict_re () const
 create vector restricted to real part of coefficients
virtual TVector * restrict_im () const
 create vector restricted to imaginary part of coefficients
virtual void read (TByteStream &s)
 read vector data from byte stream
virtual void write (TByteStream &s) const
 write vector data to byte stream
virtual size_t bs_size () const
 returns size of object in bytestream
virtual void sum (const TProcSet &p, const uint pid, const uint nparts, TByteStream *bs=NULL)
virtual void sum (const TProcSet &p)
 same as
- Public Member Functions inherited from TTypeInfo
virtual String typestr () const
 return string representation of type

Protected Member Functions

virtual void to_real ()
 convert data to real valued representation
virtual void to_complex ()
 convert data to complex valued representation

Constructor & Destructor Documentation

TBlockVector ( const TIndexSet &  ais,
const std::vector< TVector * > &  ablocks 
)
inline

construct block vector over index set ais and with subblocks ablocks