PETSc version 3.17.4
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# KSPPIPEGCRGetNprealloc

get the number of directions preallocate by PIPEGCR

### Synopsis

    #include "petscksp.h"
    PetscErrorCode KSPPIPEGCRGetNprealloc(KSP ksp,PetscInt *nprealloc)

Not Collective

### Input Parameter

| ksp | - the Krylov space context

### Output Parameter

| nprealloc | - the number of directions preallocated

### See Also

KSPPIPEGCR, KSPPIPEGCRGetTruncationType(), KSPPIPEGCRSetNprealloc()

### Level

advanced

### Location

src/ksp/ksp/impls/gcr/pipegcr/pipegcr.c
Index of all KSP routines
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Index of all manual pages