Keir Mierle 6196cba4e5 Fix broken constant parameter blocks
This fixes the bug introduced in a previous commit,
and adds a test to check that constant parameter
blocks work as expected.

This also refactors the Solver/SolverImpl split so
that SolverImpl is no longer a friend of Problem;
instead, Solver is. This makes it possible to
verify the invariant on parameter block states in
the unit test, and is a more symmetric design
anyway.

Bug: 51
Change-Id: Id503f5b526cfb8bc24aae3aaad2e414b14063d78
2012-06-19 00:09:53 -07:00
2012-04-30 23:09:08 -07:00
2012-06-18 00:57:59 -07:00
2012-06-17 18:59:34 -07:00
2012-04-30 23:09:08 -07:00
2012-04-30 23:09:08 -07:00

Ceres Solver - A non-linear least squares minimizer
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Please see ceres.pdf in docs/ for a tutorial and reference.
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