* Got rid of class ObjFunctionSummand. Both the constraint summands and
the objective function summands are now stored using class Summand.
* Some method names are more BeOS compliant now: SetX instead of ChangeX.
* linprog test code now uses new AddConstraint methods.
* CalculateMinSize and CalculateMaxSize did not free the memory they
allocated.
* Removed inappropriate setter and getter methods.
* Memory allocated in class Constraint is freed now.
* Other small changes.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24351 a95241bf-73f2-0310-859d-f6bbb57e9c96
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