EPSGDGetDoubleExpansion — SLEPc 3.24.2 documentation

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# EPSGDGetDoubleExpansion

Gets a flag indicating whether the double expansion variant has been activated or not.

## Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSGDGetDoubleExpansion(EPS eps,PetscBool *doubleexp)

Not Collective

## Input Parameter

- eps - the linear eigensolver context

## Output Parameter

- doubleexp - the flag

## See Also

EPS: Eigenvalue Problem Solver, `EPSGD`, `EPSGDSetDoubleExpansion()`

## Level

advanced

## Location

src/eps/impls/davidson/gd/gd.c

## Implementations

EPSGDGetDoubleExpansion_GD() in src/eps/impls/davidson/gd/gd.c

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