BVNormVec#

Computes the norm of a given vector.

Synopsis#

#include "slepcbv.h" 
PetscErrorCode BVNormVec(BV bv,Vec v,NormType type,PetscReal *val)

Collective

Input Parameters#

  • bv - basis vectors

  • v - the vector

  • type - the norm type

Output Parameter#

  • val - the norm

Notes#

This is the analogue of BVNormColumn() but for a vector that is not in the BV. If a non-standard inner product has been specified with BVSetMatrix(), then the returned value is sqrt(v’Bv), where B is the inner product matrix (argument ‘type’ is ignored). Otherwise, VecNorm() is called.

See Also#

BVNorm(), BVNormColumn(), BVSetMatrix()

Level#

developer

Location#

src/sys/classes/bv/interface/bvglobal.c

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