4 Bug fixes¶

8.1.0.37

• Fix a bug in projected termination codes.

8.1.0.36

• Fix exception handling in Python.

8.1.0.35

• Improved detection of CPU core number when CPU affinity mask is changed.

8.1.0.34

• Improved the simplex optimizer on problems with badly scaled objective.
• Added option for user to set maximum number of simplex iterations in relaxation of mip.

8.1.0.33

• Update the content of the Python module.
• Fix bugs in some get methods.

8.1.0.32

• Fixed exception handling in Python distributed examples.
• Small fix in Python Fusion error handler.
• Fixed a small bug in the interior-point optimizer.
• Prune unused preallocated variables when constructing tasks in Fusion.
• Fixed a bug in the CBF writer where free constraints triggered an assert.
• Fixed an incorrect formulation in lo1.m and lo2.m`.

8.1.0.31

• Fixed a bug occuring when a maximization problem is solved when an upper objective cut defined and the dual simplex optimizer is employed.

8.1.0.30

• Fixed a bug in the eliminator that could trigger an assert on infeasible problems.

8.1.0.29

• Fixed a bug in the dual simplex optimizer when an objective cut is employed.

8.1.0.28

• Fixed a bug that could cause a crash.
• Fixed a bug in the solution setup of the conic optimizer.

8.1.0.27

• Change the way Fusion is distributed on Win64.
• Fix an rpath issue in Toolbox.

8.1.0.26

• Fixed an inheritance issue in Fusion exceptions.

8.1.0.25

• Fixed an issue that could cause the conic optimizer to report an invalid solution in rare cases.

8.1.0.24

• Fixed a bug causing a memory leak in the sparse Cholesky factorization function.
• Fixed a bug putaijlist when small elements in absolute size are inputted.

8.1.0.23

• Fixed a bug causing an assert on certain infeasible problems.

8.1.0.22

• Fixed syntax problems in distributed examples.
• Fixed a bug causing wrong solution status keys for constraints and variables to be reported in some cases.

8.1.0.18

• Solution status reporting fix in Fusion.

8.1.0.16

• Fixed memory issue in Python Fusion.
• Fixed a bug in CBF writer.
• Included the AMPL shell on Windows.

8.1.0.15

• Fix in Python setup script.

8.1.0.13

• Fixes in and around Fusion makefiles for Windows.

8.1.0.8

• Fixed a numerical issue in the presolve.

8.1.0.6

• Fixed a bug in the presolve that could trigger an assert.

8.1.0.5

• Improved the presolve.

8.1.0.4

• Improved the presolve.

8.1.0.3

• Fixed a bug causing incorrect objectives for Fusion/C++.

8.1.0.2

• Modified the stopping criteria in the conic interior-point optimizer.

8.1.0.1

• Fixed a minor issue in the MPS reader which made it report the wrong number of A nonzeros.
• Fixed a bug in the dual simplex optimizer causing an assert in rare cases.

8.1.0.0

• Improved the performance of Fusion notably for the Python Fusion. However, this improvement is not applicable to 32 bit Windows platform.
• Improved the multi threaded performance for some large scale conic optimization problems.