SNESQN: only call KSPSetOperators when the operator has actually change
(i.e., immediately after calling SNESComputeJacobian)
This is most import for -snes_qn_scale_type jacobian
Hg-commit: 6beca8
SNESQN: only call KSPSetOperators when the operator has actually change
(i.e., immediately after calling SNESComputeJacobian)
This is most import for -snes_qn_scale_type jacobian
Hg-commit: 6beca8ce5911bc54fbed6d2bad0aa2a44a77077b
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