[Minotaur-dev] [minotaur-solver/minotaur] e94738: Set constraint-change flag in presolve

[Ashutosh Mahajan]

  Branch: refs/heads/master
  Home:   https://github.com/minotaur-solver/minotaur
  Commit: e9473816405029d006300ddd7d2d2332009a2b9b
      https://github.com/minotaur-solver/minotaur/commit/e9473816405029d006300ddd7d2d2332009a2b9b
  Author: Ashutosh Mahajan <amahajan at iitb.ac.in>
  Date:   2019-09-13 (Fri, 13 Sep 2019)

  Changed paths:
    M src/base/LinearHandler.cpp
    M src/base/LinearHandler.h

  Log Message:
  -----------
  Set constraint-change flag in presolve

When a constraint is modified, c->setBFlag(true) must be set so that
further presolve operations revisit this constraint. This flag was
earlier not set at a few places, leading to some redundant constraints
staying in the model.