HLIBpro  2.4
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TZeroLRApx Class Reference

Approximate all low-rank blocks by zero, e.g. for nearfield only. More...

#include <TLowRankApx.hh>

Inheritance diagram for TZeroLRApx:

Public Member Functions

virtual TMatrixbuild (const TBlockCluster *c, const TTruncAcc &acc) const
 return low rank matrix of rank 0

Detailed Description

If only the near field blocks of a matrix should be computed, TZeroLRApx will do that by approximating all far field blocks by zero, e.g. a 0-rank low rank matrix.