PCCompositeSetUseTrue

Sets a flag to indicate that the true matrix (rather than the matrix used to define the preconditioner) is used to compute the residual when the multiplicative scheme is used.

Synopsis

int PCCompositeSetUseTrue(PC pc)

Input Parameters

pc -the preconditioner context

Collective on PC

Options Database Key

 -pc_composite_true

Note

For the common case in which the preconditioning and linearsystem matrices are identical, this routine is unnecessary.

Keywords

block, set, true, flag

See Also

PCSetOperators(), PCBJacobiSetUseTrueLocal(), PCSLESSetUseTrue()

Location: src/pc/impls/compositecomposite.c
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