soplex_cython

Cython bindings to SoPlex 3.1.1

Installation

1. Download the SoPlex 3.1.1 source code and move the tgz file into [soplex_cython root].
2. Install gmp.
   • mac: brew install gmp
   • Ubuntu: sudo apt-get install libgmp-dev
   • Windows: Install MPIR (GMP replacement, which compiles with Visual Studio)
3. Compile and install soplex_cython
   • cd [soplex_cython root]
   • Mac/Linux: pip install .

Requirements

1. A recent version of Cython. Can be installed with pip install cython
2. Python versions: >= 3.5, 2.7 (>= 3.5 for windows)

Common errors

1. undefined symbol: _ZN6soplex6SoPlex13changeRhsRealEiRKe when running build.sh
   • Errors similar to this usually occur when SoPlex is not compiled in part 1 with the long double flag correctly set
   • Verify that you see "-DWITH_LONG_DOUBLE" in the output when compiling SoPlex in part 1