Mercurial > pylearn

diff dataset.py @ 320:b1da46b9b901

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bug fixed when initializing NArraysDataSet with 1-d arrays. This now raises an Exception
author Thierry Bertin-Mahieux <bertinmt@iro.umontreal.ca>
date Wed, 11 Jun 2008 17:11:37 -0400
parents 6441e568745e
children f03ae06fadc8
line wrap: on
line diff
--- a/dataset.py	Wed Jun 11 17:05:56 2008 -0400
+++ b/dataset.py	Wed Jun 11 17:11:37 2008 -0400
@@ -1061,6 +1061,9 @@
         assert len(fieldnames) > 0
         all_matrix_sizes = map(lambda x : numpy.asmatrix(x).shape[0] , data_arrays)
         num_examples = max(all_matrix_sizes)
+        if num_examples == 1 :
+            # problem, do we transpose all arrays? is there only one example?
+            raise Exception("wrong initialization, unknow behaviour with 1-d arrays")
         self._fieldnames = fieldnames
         self._datas = []
         for k in range(len(data_arrays)) :