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  • MatHtoolGetEpsilon

MatHtoolGetEpsilon#

Gets the relative error tolerance in Frobenius norm used by a MATHTOOL matrix.

Synopsis#

PetscErrorCode MatHtoolGetEpsilon(Mat A, PetscReal *epsilon)

Not Collective

Input Parameter#

  • A - hierarchical matrix

Output Parameter#

  • epsilon - relative error tolerance

See Also#

Matrices, Mat, MATHTOOL, MatHtoolSetEpsilon()

Level#

advanced

Location#

src/mat/impls/htool/htool.c


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Last updated on 2026-04-18T03:47:42-0500 (v3.25.0-117-g267b8824abdb).