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Sets initial guess to zero.

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Setting it to nonzero means starting to approximate from memory garbage values.
This commit is contained in:
Jørgen Kvalsvik
2014-12-10 18:15:33 +01:00
parent 294ec58bed
commit 263e1a6928
1 changed files with 1 additions and 1 deletions
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2
opm/core/linalg/LinearSolverPetsc.cpp
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@@ -201,7 +201,7 @@ namespace{
CHKERRXX( err ); CHKERRXX( err );
err = KSPSetFromOptions( t.ksp ); err = KSPSetFromOptions( t.ksp );
CHKERRXX( err ); CHKERRXX( err );
KSPSetInitialGuessNonzero( t.ksp, PETSC_TRUE ); KSPSetInitialGuessNonzero( t.ksp, PETSC_FALSE );
KSPSolve( t.ksp, t.x, t.b ); KSPSolve( t.ksp, t.x, t.b );
KSPGetConvergedReason( t.ksp, &reason ); KSPGetConvergedReason( t.ksp, &reason );
KSPGetIterationNumber( t.ksp, &its ); KSPGetIterationNumber( t.ksp, &its );