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Preassemble the residual for use in SNES #530

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Dec 5, 2024
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Preassemble the residual for use in SNES #530

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1 change: 1 addition & 0 deletions cashocs/nonlinear_solvers/snes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -235,6 +235,7 @@ def solve(self) -> fenics.Function:
self.assemble_jacobian(
snes, self.u.vector().vec(), self.A_petsc, self.P_petsc
)
self.assemble_function(snes, self.u.vector().vec(), self.residual_petsc)
self.is_preassembled = True

_utils.setup_petsc_options([snes], [self.petsc_options])
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