PySundials

The python-sundials library is available here: https://code.google.com/p/python-sundials/

Installation

Mac OS X

First, download and unpack the pysundials tarball:

$ wget http://downloads.sourceforge.net/project/pysundials/pysundials-2.3.0/pysundials-2.3.0-rc4/pysundials-2.3.0-rc4.tar.gz
$ tar xzf pysundials-2.3.0-rc4.tar.gz
$ cd pysundials-2.3.0-rc4/

The next step, installing using the usual setup.py routine, had to be modified to point the C compiler to the Sundials library:

$ sudo CC='gcc -lsundials -I/Users/charlesreid/pkg/sundials/std/include -L/Users/charlesreid/pkg/sundials/std/lib' python setup.py install

Errors

Header Files Not Found

I saw some errors related to header files not being found:

$ python setup.py build
running build
running build_py
creating build
creating build/lib.macosx-10.8-intel-2.7
creating build/lib.macosx-10.8-intel-2.7/pysundials
copying src/__init__.py -> build/lib.macosx-10.8-intel-2.7/pysundials
copying src/cvode.py -> build/lib.macosx-10.8-intel-2.7/pysundials
copying src/cvodes.py -> build/lib.macosx-10.8-intel-2.7/pysundials
copying src/ida.py -> build/lib.macosx-10.8-intel-2.7/pysundials
copying src/kinsol.py -> build/lib.macosx-10.8-intel-2.7/pysundials
copying src/nvecserial.py -> build/lib.macosx-10.8-intel-2.7/pysundials
copying src/sundials_core.py -> build/lib.macosx-10.8-intel-2.7/pysundials
running build_ext
building 'pysundials.realtype' extension
creating build/temp.macosx-10.8-intel-2.7
creating build/temp.macosx-10.8-intel-2.7/src
clang -fno-strict-aliasing -fno-common -dynamic -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch i386 -arch x86_64 -pipe -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c src/realtype.c -o build/temp.macosx-10.8-intel-2.7/src/realtype.o
clang: warning: argument unused during compilation: '-mno-fused-madd'
src/realtype.c:3:10: fatal error: 'sundials/sundials_types.h' file not found
#include "sundials/sundials_types.h"
         ^
1 error generated.
error: command 'clang' failed with exit status 1

This was a result of the fact that I had installed Sundials in a non-standard location. I was able to to customize my C compiler command to point, specifically, to the Sundials libraries I was using, by assigning a vlaue to the CC environmental variable:

$ CC='gcc -lsundials -I/Users/charles/pkg/sundials/std/include -L/Users/charles/pkg/sundials/std/lib'