[petsc-dev] d9ca1df42eda25bc875149d6d493aad6e204c9ff

[Mark Adams]

This commit seems to have caused my MatShell code to break:

[22]PETSC ERROR: Object is in wrong state
[22]PETSC ERROR:  Vec is locked read only, argument # 1

This seems to be the problem (Barry):

16:40 (5edff71...)|BISECTING ~/Codes/petsc$ git bisect bad
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[d9ca1df42eda25bc875149d6d493aad6e204c9ff] Added VecLockPush() and
VecLockPop() to make vector read only Used VecLockPush() and VecLockPop()
in a couple of key locations; PCApply(), KSPSolve(), MatMult() Fixed many
uses of VecGetArray() to VecGetArrayRead() Added VecGet/RestoreArrayPair()
for commonly occuring pattern Added const to many locations driven by use
of VecGetArrayRead()
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