Python wrappers to the C++ library SymEngine, a fast C++ symbolic manipulation library.
See License section for information about wheels
pip install symengine --user
conda install python-symengine -c symengine -c conda-forge
optionally, you may choose to install an early developer preview:
conda install python-symengine -c symengine/label/dev -c conda-forge
Install prerequisites.
CMake >= 2.8.12
Python3 >= 3.8
Cython >= 0.29.24
SymEngine >= 0.7.0
For SymEngine, only a specific commit/tag (see symengine_version.txt) is supported. Latest git master branch may not work as there may be breaking changes in SymEngine.
Python wrappers can be installed by,
Additional options to setup.py are
python setup.py install build_ext
--symengine-dir=/path/to/symengine/install/dir # Path to SymEngine install directory or build directory
--compiler=mingw32|msvc|cygwin # Select the compiler for Windows
--generator=cmake-generator # CMake Generator
--build-type=Release|Debug # Set build-type for multi-configuration generators like MSVC
--define="var1=value1;var2=value2" # Give options to CMake
--inplace # Build the extension in source tree
Standard options to setup.py like --user, --prefix can be used to configure install location. NumPy is used if found by default, if you wish to make your choice of NumPy use explicit: then add e.g. WITH_NUMPY=False to --define.
Use SymEngine from Python as follows:
>>> from symengine import var
>>> var("x y z")
(x, y, z)
>>> e = (x+y+z)**2
>>> e.expand()
2*x*y + 2*x*z + 2*y*z + x**2 + y**2 + z**2
You can read Python tests in symengine/tests to see what features are implemented.
symengine.py is MIT licensed and uses several LGPL, BSD-3 and MIT licensed libraries
Licenses for the dependencies of pip wheels are as follows,
pip wheels on Unix use GMP (LGPL-3.0-or-later), MPFR (LGPL-3.0-or-later), MPC (LGPL-3.0-or-later), LLVM (Apache-2.0), zlib (Zlib), libxml2 (MIT), zstd (BSD-3-Clause) and symengine (MIT AND BSD-3-Clause). pip wheels on Windows use MPIR (LGPL-3.0-or-later) instead of GMP above and pthreads-win32 (LGPL-3.0-or-later) additionally. NumPy (BSD-3-Clause) and SymPy (BSD-3-Clause) are optional dependencies. Sources for these binary dependencies can be found on https://github.com/symengine/symengine-wheels/releases
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