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8 Commits

Author SHA1 Message Date
Keir Mierle 7492b0d8de Update copyright headers with new year and URL 
Since Ceres is moving to using GitHub for issues, and the Google
Code URL in the current copyright header will soon become invalid,
update all the headers.

Change-Id: I1fce70375d1bcf098591f07b4d8f01a5c1e0789c
 2015-03-18 05:43:23 +00:00
Sameer Agarwal bcc865f81c Remove using namespace std; 
For historical reasons we had a "using namespace std;" in port.h. This
is generally a bad idea. So removing it and along the way doing a bunch
of cpplint cleanup.

Change-Id: Ia125601a55ae62695e247fb0250df4c6f86c46c6
 2015-01-07 14:26:53 -08:00
Sameer Agarwal 4a2a888905 Change ownership of pointers in Minimizer::Options. 
This is a intermediate change to clean things up
in preparation for a broader refactoring of the SolverImpl.

Essentially we are replacing raw pointers in Minimizer::Options
with shared_ptr objects. For now this only makes things a bit
more complicated looking inside solver_impl.cc, but going
forward this will lead to considerable simplifications in
tracking ownership of various pointers.

Change-Id: I21db8fc6763c29b0d15e834d7c968a0f514042a0
 2014-08-07 20:14:12 +00:00
Björn Piltz cbf955474a Fixes swapped verboselevel and condition. 
Change-Id: I296d86e6bbf415be4bfd19d6a0fe0963e3d36d74
 2014-05-07 19:02:41 +00:00
Sameer Agarwal 0e811b0881 Fix a bug in Minimizer::RunCallbacks. 
Solver::Summary::message was not being updated when the solver
terminated because of a user's iteration callback indicating
success or failure.

Thanks to Sergey Sharybin for reporting this.

Change-Id: I27e6e5eed086920ddf765461b0159417ac79d7b3
 2014-05-01 11:39:37 -07:00
Sameer Agarwal dcee120bac Consolidate SolverTerminationType enum. 
1. Rename SolverTerminationType to TerminationType.
2. Consolidate the enum as
  a. CONVERGENCE - subsumes FUNCTION_TOLERANCE, PARAMETER_TOLERANCE and GRADIENT_TOLERANCE
  b. NO_CONVERGENCE
  c. FAILURE - captures all kinds of failures including DID_NOT_RUN.
  d. USER_SUCCESS
  e. USER_FAILURE
3. Solver::Summary::error is renamed to be Solver::Summary::message, to both
reduce confusion as well as capture its true meaning.

Change-Id: I27a382e66e67f5a4750d0ee914d941f6b53c326d
 2013-12-17 11:21:33 -08:00
Sameer Agarwal 509f68cfe3 Problem::Evaluate implementation. 
1. Add Problem::Evaluate and tests.
2. Remove Solver::Summary::initial/final_*
3. Remove Solver::Options::return_* members.
4. Various cpplint cleanups.

Change-Id: I4266de53489896f72d9c6798c5efde6748d68a47
 2013-02-24 19:04:21 +00:00
Sameer Agarwal 9883fc396b Refactoring of the LineSearchMinimizer. 
1. New LineSearchDirection interface, factory and instances.
2. Cleanup of LineSearchMinimizer to use the State and Direction objects.
3. LBFGS -> LowRankInverseHessian.
4. Refactoring of the RunCallbacks function and share it across
   LineSearchMinimizer and TrustRegionMinimizer.

Change-Id: I19354afc6f5d6567b28918710c2012dc30ef8f32
 2012-11-30 18:37:42 -08:00