# HG changeset patch
# User Thierry Bertin-Mahieux <bertinmt@iro.umontreal.ca>
# Date 1213218697 14400
# Node ID b1da46b9b901c0d49bb49e329fc18fdf41a84d07
# Parent  6441e568745e03c9888ac9c70e8d26f420f44a6f
bug fixed when initializing NArraysDataSet with 1-d arrays. This now raises an Exception

diff -r 6441e568745e -r b1da46b9b901 dataset.py
--- 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)) :