KSPFCDTruncationType#

Define how stored directions are used to orthogonalize in flexible conjugate directions (FCD) methods

Synopsis#

Values#

`KSP_FCD_TRUNC_TYPE_STANDARD` - uses all (up to mmax) stored directions
`KSP_FCD_TRUNC_TYPE_NOTAY` - uses the last max(1,mod(i,mmax)) stored directions at iteration i=0,1..

See Also#

: KSPFCG, KSPPIPEFCG, KSPPIPEGCR, KSPFCGSetTruncationType(), KSPFCGGetTruncationType()

Level#

intermediate

Location#

include/petscksp.h


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