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

Examples

src/mat/tests/ex241.c

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