sc::SymmSCMatrix(3)

NAME
sc::SymmSCMatrix - The SymmSCMatrix class is the abstract base class for symmetric double valued matrices.

SYNOPSIS

#include <abstract.h>

Inherits sc::DescribedClass.

Inherited by sc::BlockedSymmSCMatrix, sc::DistSymmSCMatrix, sc::LocalSymmSCMatrix, and sc::ReplSymmSCMatrix.

  Public Member Functions
SymmSCMatrix (const RefSCDimension &, SCMatrixKit *)
Ref< SCMatrixKit > kit () const
Return the SCMatrixKit object that created this object.
virtual void save (StateOut &)
Save and restore this in an implementation independent way.
virtual void restore (StateIn &)
virtual double maxabs () const
Return the maximum absolute value element of this vector.
virtual void randomize ()
Assign each element to a random number between -1 and 1.
void assign (double val)
Set all elements to val.
void assign (const double *m)
Assign element i, j to m[i*(i+1)/2+j].
void assign (const double **m)
Assign element i, j to m[i][j].
void assign (SymmSCMatrix *m)
Make this have the same elements as m.
virtual void assign_val (double val)
Overridden to implement the assign functions.
virtual void assign_p (const double *m)
virtual void assign_pp (const double **m)
virtual void assign_s (SymmSCMatrix *m)
virtual void convert (double *) const
Like the assign members, but these write values to the arguments.
virtual void convert (double **) const
virtual void convert (SymmSCMatrix *)
Convert an SCSymmSCMatrix of a different specialization to this specialization and possibly accumulate the data.
virtual void convert_accumulate (SymmSCMatrix *)
virtual void scale (double)
Multiply all elements by val.
virtual void scale_diagonal (double)
Scale the diagonal elements by val.
virtual void shift_diagonal (double)
Shift the diagonal elements by val.
virtual void unit ()
Make this equal to the unit matrix.
int n () const
Return the dimension.
virtual SymmSCMatrix * copy ()
Return a matrix with the same dimension and same elements.
virtual SymmSCMatrix * clone ()
Return a matrix with the same dimension but uninitialized memory.
RefSCDimension dim () const
Return the dimension.
virtual double get_element (int, int) const =0
Return or modify an element.
virtual void set_element (int, int, double)=0
virtual void accumulate_element (int, int, double)=0
virtual SCMatrix * get_subblock (int br, int er, int bc, int ec)=0
Return a subblock of this.
virtual SymmSCMatrix * get_subblock (int br, int er)=0
virtual void assign_subblock (SCMatrix *m, int, int, int, int)=0
Assign m to a subblock of this.
virtual void assign_subblock (SymmSCMatrix *m, int, int)=0
virtual void accumulate_subblock (SCMatrix *m, int, int, int, int)=0
Sum m into a subblock of this.
virtual void accumulate_subblock (SymmSCMatrix *m, int, int)=0
virtual SCVector * get_row (int i)=0
Return a row of this.
virtual void assign_row (SCVector *v, int i)=0
Assign v to a row of this.
virtual void accumulate_row (SCVector *v, int i)=0
Sum v to a row of this.
virtual void diagonalize (DiagSCMatrix *d, SCMatrix *m)=0
Diagonalize this, placing the eigenvalues in d and the eigenvectors in m.
virtual void accumulate (const SymmSCMatrix *m)=0
Sum m into this.
virtual void accumulate_symmetric_sum (SCMatrix *)=0
Sum into this the products of various vectors or matrices.
virtual void accumulate_symmetric_product (SCMatrix *)
virtual void accumulate_transform (SCMatrix *, SymmSCMatrix *, SCMatrix::Transform=SCMatrix::NormalTransform)
virtual void accumulate_transform (SCMatrix *, DiagSCMatrix *, SCMatrix::Transform=SCMatrix::NormalTransform)
virtual void accumulate_transform (SymmSCMatrix *, SymmSCMatrix *)
virtual void accumulate_symmetric_outer_product (SCVector *)
virtual double scalar_product (SCVector *v)
Return the scalar obtained by multiplying this on the left and right by v.
virtual double trace ()=0
Return the trace.
virtual double invert_this ()=0
Invert this.
virtual double determ_this ()=0
Return the determinant of this. this is overwritten.
virtual double solve_this (SCVector *)=0
virtual void gen_invert_this ()=0
virtual void element_op (const Ref< SCElementOp > &)=0
Perform the element operation op on each element of this.
virtual void element_op (const Ref< SCElementOp2 > &, SymmSCMatrix *)=0
virtual void element_op (const Ref< SCElementOp3 > &, SymmSCMatrix *, SymmSCMatrix *)=0
void print (std::ostream &o=ExEnv::out0()) const
Print out the matrix.
void print (const char *title=0, std::ostream &out=ExEnv::out0(), int=10) const
virtual void vprint (const char *title=0, std::ostream &out=ExEnv::out0(), int=10) const
Ref< MessageGrp > messagegrp () const
Returns the message group used by the matrix kit.
virtual Ref< SCMatrixSubblockIter > local_blocks (SCMatrixSubblockIter::Access)=0
Returns iterators for the local (rapidly accessible) blocks used in this matrix.
virtual Ref< SCMatrixSubblockIter > all_blocks (SCMatrixSubblockIter::Access)=0
Returns iterators for the all blocks used in this matrix.

  Protected Attributes
RefSCDimension d
Ref< SCMatrixKit > kit_

Detailed Description

The SymmSCMatrix class is the abstract base class for symmetric double valued matrices.

Member Function Documentation

  void sc::SymmSCMatrix::assign (const double * m) [inline]

Assign element i, j to m[i*(i+1)/2+j].

  void sc::SymmSCMatrix::assign (SymmSCMatrix * m) [inline]

Make this have the same elements as m.

The dimensions must match.

  virtual void sc::SymmSCMatrix::convert (SymmSCMatrix *) [virtual]

Convert an SCSymmSCMatrix of a different specialization to this specialization and possibly accumulate the data.

  virtual SCMatrix* sc::SymmSCMatrix::get_subblock (int br, int er, int bc, int ec) [pure virtual]

Return a subblock of this.

The subblock is defined as the rows starting at br and ending at er, and the columns beginning at bc and ending at ec.

  virtual void sc::SymmSCMatrix::diagonalize (DiagSCMatrix * d, SCMatrix * m) [pure virtual]

Diagonalize this, placing the eigenvalues in d and the eigenvectors in m.

  virtual double sc::SymmSCMatrix::scalar_product (SCVector * v) [virtual]

Return the scalar obtained by multiplying this on the left and right by v.

  virtual Ref<SCMatrixSubblockIter> sc::SymmSCMatrix::local_blocks (SCMatrixSubblockIter::Access) [pure virtual]

Returns iterators for the local (rapidly accessible) blocks used in this matrix.

Author

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