introduce backend for distance function

isi- and spike distances over complete intervals are now computed without
obtaining the profile first. This gives more than x2 performance improvements.

1 files changed, 4 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index d687240..7902066 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,8 @@ else:
     use_cython = True
 
 if os.path.isfile("pyspike/cython/cython_add.c") and \
-   os.path.isfile("pyspike/cython/cython_profiles.c"):
+   os.path.isfile("pyspike/cython/cython_profiles.c") and \
+   os.path.isfile("pyspike/cython/cython_distances.c"):
     use_c = True
 else:
     use_c = False
@@ -34,12 +35,14 @@ if use_cython:  # Cython is available, compile .pyx -> .c
     ext_modules += [
         Extension("pyspike.cython.cython_add", ["pyspike/cython/cython_add.pyx"]),
         Extension("pyspike.cython.cython_profiles", ["pyspike/cython/cython_profiles.pyx"]),
+        Extension("pyspike.cython.cython_distances", ["pyspike/cython/cython_distances.pyx"]),
     ]
     cmdclass.update({'build_ext': build_ext})
 elif use_c:  # c files are there, compile to binaries
     ext_modules += [
         Extension("pyspike.cython.cython_add", ["pyspike/cython/cython_add.c"]),
         Extension("pyspike.cython.cython_profiles", ["pyspike/cython/cython_profiles.c"]),
+        Extension("pyspike.cython.cython_distances", ["pyspike/cython/cython_distances.c"]),
     ]
 # neither cython nor c files available -> automatic fall-back to python backend