)]}'
{
  "commit": "14ec849eac6a97c2d33f8cd5dca0f7f12b8fe72b",
  "tree": "22b06b2b6f406c6ad308c631f7bf9fe94f0b92d4",
  "parents": [
    "2a5599f37888d37c588badbf9f5e08d097fcf830"
  ],
  "author": {
    "name": "Sameer Agarwal",
    "email": "sameeragarwal@google.com",
    "time": "Wed Jun 04 17:29:03 2014 -0700"
  },
  "committer": {
    "name": "Keir Mierle",
    "email": "mierle@gmail.com",
    "time": "Thu Jun 05 19:09:29 2014 +0000"
  },
  "message": "Change logging for TRUST_REGION.\n\nThe current logging for trust region minimizer is very informative\nbut cryptic. Single or double letter abbreviations must be deciphered\nto make sense of it.\n\nHere is an alternate take on it.\n\nBefore:\n\n   0: f: 4.185660e+06 d: 0.00e+00 g: 2.16e+07 h: 0.00e+00 rho: 0.00e+00 mu: 1.00e+04 li:  0 it: 7.36e-02 tt: 3.47e-01\n   1: f: 1.980525e+05 d: 3.99e+06 g: 5.34e+06 h: 2.40e+03 rho: 9.60e-01 mu: 3.00e+04 li:  1 it: 1.80e-01 tt: 5.27e-01\n   2: f: 5.086543e+04 d: 1.47e+05 g: 2.11e+06 h: 1.01e+03 rho: 8.22e-01 mu: 4.09e+04 li:  1 it: 1.57e-01 tt: 6.84e-01\n   3: f: 1.859667e+04 d: 3.23e+04 g: 2.87e+05 h: 2.64e+02 rho: 9.85e-01 mu: 1.23e+05 li:  1 it: 1.50e-01 tt: 8.34e-01\n   4: f: 1.803857e+04 d: 5.58e+02 g: 2.69e+04 h: 8.66e+01 rho: 9.93e-01 mu: 3.69e+05 li:  1 it: 1.47e-01 tt: 9.82e-01\n   5: f: 1.803391e+04 d: 4.66e+00 g: 3.11e+02 h: 1.02e+01 rho: 1.00e+00 mu: 1.11e+06 li:  1 it: 1.51e-01 tt: 1.13e+00\n\nAfter:\n\niter      cost      cost_change  |gradient|   |step|    tr_ratio  tr_radius  ls_iter  iter_time  total_time\n   0  4.185660e+06    0.00e+00    2.16e+07   0.00e+00   0.00e+00  1.00e+04       0    7.16e-02    3.27e-01\n   1  1.980525e+05    3.99e+06    5.34e+06   2.40e+03   9.60e-01  3.00e+04       1    1.77e-01    5.04e-01\n   2  5.086543e+04    1.47e+05    2.11e+06   1.01e+03   8.22e-01  4.09e+04       1    1.49e-01    6.54e-01\n   3  1.859667e+04    3.23e+04    2.87e+05   2.64e+02   9.85e-01  1.23e+05       1    1.45e-01    7.99e-01\n   4  1.803857e+04    5.58e+02    2.69e+04   8.66e+01   9.93e-01  3.69e+05       1    1.46e-01    9.45e-01\n   5  1.803391e+04    4.66e+00    3.11e+02   1.02e+01   1.00e+00  1.11e+06       1    1.48e-01    1.09e+00\n\nChange-Id: I251f99d474028e07cb709965d513809c443884b6\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "c55116219e5f76f994b0c2e0363ce7c703c9a1fc",
      "old_mode": 33188,
      "old_path": "internal/ceres/callbacks.cc",
      "new_id": "d2236335c53476608d0005ed526c92b1f2be476a",
      "new_mode": 33188,
      "new_path": "internal/ceres/callbacks.cc"
    }
  ]
}