)]}'
{
  "commit": "195e49351b386ffc23020d406883eaa6511e29b3",
  "tree": "b5b2268d65076a099f8f816b784b6f32d8f9e53a",
  "parents": [
    "74762b60332d4a1c08ec5aef75ec718da9d305a2"
  ],
  "author": {
    "name": "Alex Stewart",
    "email": "alexs.mac@gmail.com",
    "time": "Wed Mar 26 11:36:11 2014 +0000"
  },
  "committer": {
    "name": "Alex Stewart",
    "email": "alexs.mac@gmail.com",
    "time": "Wed Mar 26 17:49:36 2014 +0000"
  },
  "message": "Check validity of residual block before removal in RemoveResidualBlock.\n\n- Breaking change: Problem::Options::enable_fast_parameter_block_removal\n  is now Problem::Options::enable_fast_removal, as it now controls\n  the behaviour for both parameter and residual blocks.\n\n- Previously we did not check that the specified residual block to\n  remove in RemoveResidualBlock actually represented a valid residual\n  for the problem.\n- This meant that Ceres would die unexpectedly if the user passed an\n  uninitialised residual_block, or more likely attempted to remove a\n  residual block that had already been removed automatically after\n  the user removed a parameter block upon on which it was dependent.\n- RemoveResidualBlock now verifies the validity of the given\n  residual_block to remove.  Either by checking against a hash set of\n  all residuals maintained in ProblemImpl iff enable_fast_removal\n  is enabled.  Or by a full scan of the residual blocks if not.\n\nChange-Id: I9ab178e2f68a74135f0a8e20905b16405c77a62b\n",
  "tree_diff": [
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