petsc-3.6.4 2016-04-12
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KSPFCGTruncationType

 Define how stored directions are used to orthogonalize in FCG

Synopsis

typedef enum {KSP_FCG_TRUNC_TYPE_STANDARD,KSP_FCG_TRUNC_TYPE_NOTAY} KSPFCGTruncationType;
KSP_FCG_TRUNC_TYPE_STANDARD uses all (up to mmax) stored directions KSP_FCG_TRUNC_TYPE_NOTAY uses the last max(1,mod(i,mmax)) stored directions at iteration i=0,1..

See Also

: KSPFCG,KSPFCGSetTruncationType(),KSPFCGGetTruncationType()

Level:intermediate
Location:src/ksp/ksp/../../../include/petscksp.h
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages