Cgl

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Infeasible with Reduce-and-split on

7

This ILP will become infeasible if Reduce-and-split is turned on. [value_17869585116638.lp.txt](https://github.com/coin-or/Cgl/files/14602506/value_17869585116638.lp.txt)

christoph-cullmann

centos7 make error

1

If you try to make in centos7, you will get the following error. Is there any solution? ``` # sudo make Making all in src/CglAllDifferent make[1]: Entering directory `/root/Cgl/src/CglAllDifferent' make[1]:...

farmzone-jo

make fails with CglGomory.cpp:33:10: fatal error: OsiClpSolverInterface.hpp: No such file or directory, RHEL 8

13

Any work around for this on RHEL 8? ``` make[1]: Entering directory '/path/to/me/Cgl/src/CglGomory' CXX CglGomory.lo CglGomory.cpp:33:10: fatal error: OsiClpSolverInterface.hpp: No such file or directory #include "OsiClpSolverInterface.hpp" ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ```

SomePersonSomeWhereInTheWorld

new release 0.60.7 introduces PulpSolverError (free(): invalid pointer) on previously working code

9

Hi. coin-or-cgl 0.60.7 release introduced PuLPSolverError on previously working code. With msg=True, the underlying error was ```sh free(): invalid pointer ``` Replicating this error: This fails for me in both...

savvytruffle

in line 638 of CglLandP.cpp a warm start basis is allocated but never freed.

tosttost

fix undefined behavour due to memcpy(ptr, NULL, 0)

2

passing NULL to memcpy is undefined behaviour. But: Does memcpy actually causes trouble? probably not - it's hard to image an implementation that does not 'accidently' gets it right. I...

tosttost

Add CMake based build support on stable/0.60

1

Add CMake based build + Makefile/docker CI + Travis-CI

Mizux

Cgl012cut.cpp is not threadsafe

3

In Cgl012cut.cpp line 3289: ``` static double max_score_ever = ZERO; /* maximum score of a violated cut during the whole cutting plane procedure */ ``` this global variable is used...

tosttost

Assertion `numberProhibited_ == oldModel->getNumCols()' failed

1

``` CglPreProcess.cpp:2492: OsiSolverInterface* CglPreProcess::preProcessNonDefault(OsiSolverInterface&, int, int, int): Assertion `numberProhibited_ == oldModel->getNumCols()' failed. ``` This failed assertions was reported in the following related issues: - https://github.com/coin-or/Cbc/issues/376#issuecomment-803057782 - https://github.com/jump-dev/Cbc.jl/issues/30 It seems to...

lovasoa

Large preprocessing difference between clang/Linux or macOS 64-bit CBC and MSVC

1

See the attached ILP. [value_87454.lp.gz](https://github.com/coin-or/Cgl/files/5880927/value_87454.lp.gz) With a Linux 64-bit build of the standalone CBC solver (master branch of all coin-or repos, uses only CoinUtils/Clp/Cgl/Cbc, no other extra solver deps), this...

christoph-cullmann