HLIBpro
2.2
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A virtual vector gets his data from some real vector and behaves just like it, except memory-management.
#include <TVirtualVector.hh>
Public Member Functions | |
TVirtualVector () | |
construct virtual vector without data | |
TVirtualVector (const TVirtualVector &v) | |
copy constructor | |
TVirtualVector (const BLAS::Vector< real > &vec, const TIndexSet &ais) | |
reference data in vec with additional offset (real valued) | |
TVirtualVector (const BLAS::Vector< complex > &vec, const TIndexSet &ais) | |
reference data in vec with additional offset (complex valued) | |
TVirtualVector (const TScalarVector *x, const TIndexSet &ais) | |
reference part of vector vector x defined by index set ais | |
~TVirtualVector () | |
destructor | |
virtual void | set_vector (const BLAS::Vector< real > &vec) |
reference vector vec (real valued) | |
virtual void | set_vector (const BLAS::Vector< complex > &vec) |
reference vector vec (complex valued) | |
virtual void | set_vector (const BLAS::Vector< real > &vec, const TIndexSet &ais) |
reference part of vector vec defined by index set ais (real valued) | |
virtual void | set_vector (const BLAS::Vector< complex > &vec, const TIndexSet &ais) |
reference part of vector vec defined by index set ais (complex valued) | |
virtual void | set_vector (const TScalarVector *vec, const TIndexSet &ais) |
reference part of vector vec defined by index set ais | |
virtual void | set_size (const size_t n) |
set size of the vector (must not differ from current size in order to not reallocate memory) | |
virtual void | set_complex (const bool b) |
switch to complex representation | |
virtual TVirtualVector & | operator= (const TVirtualVector &vec) |
copy operator (copy pointers !!!) | |
virtual void | assign (const real alpha, const TVector *x) |
compute this = α·x | |
virtual void | cassign (const complex &alpha, const TVector *x) |
compute this = α·x | |
virtual typeid_t | type () const |
return type of vector | |
virtual bool | is_type (const typeid_t t) const |
return true of object is of given type | |
virtual TVector * | copy () const |
return copy of vector (real copy, not a virtual one) | |
virtual TVector * | create () const |
return object of same class | |
Public Member Functions inherited from TScalarVector | |
TScalarVector (const bool use_complex=false) | |
construct zero sized vector | |
TScalarVector (const size_t n, const idx_t offset=0, const bool use_complex=false) | |
construct vector of size n with offset offset | |
TScalarVector (const TIndexSet &ais, const bool use_complex=false) | |
construct vector with size defined by indexset ais | |
TScalarVector (const TIndexSet &ais, const BLAS::Vector< real > &bvec) | |
TScalarVector (const TIndexSet &ais, const BLAS::Vector< complex > &bvec) | |
TScalarVector (const TScalarVector &v) | |
standard copy constructor | |
TScalarVector (const TIndexSet &ais, BLAS::Vector< real > &&bvec) | |
TScalarVector (const TIndexSet &ais, BLAS::Vector< complex > &&bvec) | |
virtual | ~TScalarVector () |
destructor | |
virtual size_t | size () const |
return size of vector | |
virtual real | entry (const idx_t i) const |
access coefficent i (real valued) | |
virtual const complex | centry (const idx_t i) const |
access coefficent i (complex valued) | |
virtual void | set_entry (const idx_t i, const real f) |
set coefficient i to f (real valued) | |
virtual void | set_centry (const idx_t i, const complex f) |
set coefficient i to f (complex valued) | |
virtual void | add_entry (const idx_t i, const real f) |
add f to i'th entry | |
virtual void | add_centry (const idx_t i, const complex f) |
add f to i'th entry (complex valued) | |
BLAS::Vector< real > & | blas_rvec () |
return real valued data | |
const BLAS::Vector< real > & | blas_rvec () const |
return constant real valued data | |
BLAS::Vector< complex > & | blas_cvec () |
return complex valued data | |
const BLAS::Vector< complex > & | blas_cvec () const |
return constant complex valued data | |
virtual void | set_cluster (const TCluster *c) |
define vector by cluster | |
virtual void | set_is (const TIndexSet &ais) |
define vector by indexset | |
virtual void | set_vector (const BLAS::Vector< real > &vec, const idx_t offset) |
set internal data directly (real valued) | |
virtual void | set_vector (const BLAS::Vector< complex > &vec, const idx_t offset) |
set internal data directly (complex valued) | |
virtual void | copy_from (const TScalarVector *v) |
copy from vector v | |
virtual void | copy_to (TScalarVector *v) const |
copy to vector v | |
virtual void | copy_from (const real *v) |
copy from C array v | |
virtual void | copy_to (real *v) |
copy to C array v | |
void | permute (const TPermutation &perm) |
permute entries according to perm | |
virtual void | fill (const real alpha) |
fill vector with constant α | |
virtual void | fill_rand (const uint seed) |
fill vector with random numbers | |
virtual void | scale (const real alpha) |
set this ≔ α · this | |
virtual real | norm2 () const |
compute ‖·‖₂ | |
virtual real | norm_inf () const |
compute ‖·‖∞ | |
virtual void | axpy (const real alpha, const TVector *x) |
set this ≔ this + α · x | |
virtual void | conjugate () |
conjugate coefficients | |
virtual void | cfill (const complex &alpha) |
fill vector with constant α | |
virtual void | cscale (const complex &alpha) |
set this ≔ α · this | |
virtual complex | dot (const TVector *x) const |
return inner product <this, x> = this^H · x | |
virtual void | caxpy (const complex &f, const TVector *x) |
set this ≔ this + α · x | |
virtual size_t | byte_size () const |
return size in bytes used by this object | |
virtual TVector * | restrict_re () const |
return vector restricted to real part of coefficients | |
virtual TVector * | restrict_im () const |
return vector restricted to imaginary part of coefficients | |
virtual void | print (const uint ofs=0) const |
print vector information | |
virtual void | read (TByteStream &s) |
read vector from stream | |
virtual void | write (TByteStream &s) const |
write vector to stream | |
virtual size_t | bs_size () const |
returns size of object in bytestream | |
virtual void | sum (const TProcSet &ps) |
pointwise summation between all vectors in ps | |
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 | |
TVector (const TVector &v) | |
copy constructor | |
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 void | sum (const TProcSet &p, const uint pid, const uint nparts, TByteStream *bs=NULL) |
Public Member Functions inherited from TTypeInfo | |
virtual std::string | typestr () const |
return string representation of type | |
Additional Inherited Members | |
Protected Member Functions inherited from TScalarVector | |
virtual void | to_real () |
switch to real valued representation if possible | |
virtual void | to_complex () |
switch to complex valued representation | |
Protected Attributes inherited from TScalarVector | |
BLAS::Vector< real > | _rvec |
real valued vector data | |
BLAS::Vector< complex > | _cvec |
complex valued vector data | |
size_t | _size |
size of vector | |