Fix dtype of input.

Since csc_matrix's default dtype is floatX, the numpy value needs to have a compatible dtype.

Fix dtype of input.
bcb86717 · Pascal Lamblin · 0fd30764 · bcb86717
--- a/theano/sparse/sandbox/test_sp.py
+++ b/theano/sparse/sandbox/test_sp.py
@@ -470,7 +470,8 @@ def test_diag():
    f = theano.function([m], d)
    f2 = theano.function([m], d.shape)
    for K in 1, 5:
-        np_matrix = numpy.asarray(numpy.reshape(range(K**2),(K,K)),dtype='float64')
+        np_matrix = numpy.asarray(numpy.reshape(range(K**2),(K,K)),
+                dtype=theano.config.floatX)
        diag = numpy.diagonal(np_matrix)
        sp_matrix = scipy.sparse.csc_matrix(np_matrix)