Cbc
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coin-or
COIN-OR Branch-and-Cut solver
We are seeing segmentation faults when passing SOS constraints to CBC though the AMPL (NL file) interface. I have verified (on CentOS7) that this happens with all versions of CBC...
I am trying to solve the following "toy" problem using the C API of cbc ``` Maximize x + y Bounds x
Solver (cbc) returned non-zero return code (-1) Can anyone guide me with the error code list?
The C API used to expose the useful function `Cbc_getRowPrice` : https://github.com/coin-or/Cbc/blob/releases/2.8.10/Cbc/src/Cbc_C_Interface.cpp#L2019-L2033 The function was removed (by mistake, I suppose), between the minor versions 2.8.10 and 2.8.11, breaking forward compatibility...
I am trying to run some MIP problems in parallel using the `CbcMain0/CbcMain1` pattern. I am on https://github.com/coin-or/Cbc/tree/stable/2.10 Problem is both on Linux and Windows. My code snippet is ```cpp...
I compiled Cbc (2.10.5) /Clp (1.17.6) from source under WSL and ran the executable generated from clpdriver.cpp in the Cbc/examples directory on the attached mps file (ex.mps.txt). Valgrind log and...
In the following problem: max x s.t. [x, y] in SOS1 y == 1 which is encoded in Cbc with: ``` Cbc_Model *model = Cbc_newModel(); CoinBigIndex start[] = {0, 0,...
According to documentation and in-program messages the interface is deprecated. Not pointing fingers just looking for insight. Is it reported anywhere what is missing? Any plans to get this up...
The unit test is currently failing with Visual Studio 2013 in debug mode with Cbc master (see [here](https://ci.appveyor.com/project/tkralphs/cbc-s1r7t/build/job/i8d8rbw8ps4ht8nm)). I was able to replicate this issue locally, but I am building...
Hi all. I stumbled over a problem where Pulp is interpreting CBCs solution as `Optimal` whereas `CBC` itself logged `Postprocessed model is infeasible - possible tolerance issue - try without...
