KSPSetUseExplicitTranspose#

Determines the explicit transpose of the operator is formed in KSPSolveTranspose(). In some configurations (like GPUs) it may be explicitly formed when possible since the solve is much more efficient.

Synopsis#

#include "petscksp.h" 
#include "petscmat.h" 
PetscErrorCode KSPSetUseExplicitTranspose(KSP ksp, PetscBool flg)

Logically Collective

Input Parameter#

ksp - the KSP context

Output Parameter#

flg - PETSC_TRUE to transpose the system in KSPSolveTranspose(), PETSC_FALSE to not transpose (default)

Level#

advanced

Location#

src/ksp/ksp/interface/itfunc.c

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Index of all KSP routines
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Index of all manual pages