Ilya@ilyaraz-laptop ~/FALCONN
$ python
Python 3.4.3 (default, May  5 2015, 17:58:45)
[GCC 4.9.2] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import falconn
>>> p = falconn.get_default_parameters(1000000, 128, is_sufficiently_random=True)
>>> p
<Swig Object of type 'falconn::python::LSHConstructionParameters *' at 0x6ffffd3a298>
>>> p.k
3
>>> t = falconn.LSHIndex(p)
>>> import numpy as np
>>> dataset = np.random.randn(1000000, 128).astype(np.float32)
>>> t.fit(dataset)
>>> t.find_nearest_neighbor(np.random.randn(128))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/Ilya/FALCONN/env/lib/python3.4/site-packages/FALCONN-1.1-py3.4-cygwin-2.3.1-x86_64.egg/falconn/__init__.py", line 284, in find_nearest_neighbor
    self._check_query(query)
  File "/home/Ilya/FALCONN/env/lib/python3.4/site-packages/FALCONN-1.1-py3.4-cygwin-2.3.1-x86_64.egg/falconn/__init__.py", line 248, in _check_query
    raise ValueError('dataset and query must have the same dtype')
ValueError: dataset and query must have the same dtype
>>> t.find_nearest_neighbor(np.random.randn(128).astype(np.float32))
Segmentation fault (core dumped)
(env)