KSPSetUseExplicitTranspose

Determines the explicit transpose of the operator is formed in KSPSolveTranspose(). In some configurations (like GPUs) it may be explicitly formed 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)

See Also

KSP: Linear System Solvers, KSPSolveTranspose(), KSP

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