More documentation of scipy 0.7

doc/README.txt

@@ -65,7 +65,12 @@ Software Requirements
 
 - python 2.5
 
-- SciPy (specifically numpy, sparse, weave).  Numpy version >= 1.1 fixes memory leak. Numpy version >=1.2 fixes more memory leak.
+- SciPy (specifically numpy, sparse, weave). We recommend scipy >=0.7 if you
+are using sparse matrices, because scipy.sparse is buggy in 0.6.
+(scipy.csc_matrix dot has a bug with singleton dimensions. There may be more
+bugs.)
+Numpy version >= 1.1 fixes
+memory leak. Numpy version >=1.2 fixes more memory leak.
 
 - docutils, pygments (optional, to build documentation)
 

theano/sparse/basic.py

@@ -22,6 +22,8 @@ def register_specialize(lopt, *tags, **kwargs):
 """ Types of sparse matrices to use for testing """
 _mtypes = [sparse.csc_matrix, sparse.csr_matrix]
 #_mtypes = [sparse.csc_matrix, sparse.csr_matrix, sparse.dok_matrix, sparse.lil_matrix, sparse.coo_matrix]
+#* new class ``dia_matrix`` : the sparse DIAgonal format
+#* new class ``bsr_matrix`` : the Block CSR format
 _mtype_to_str = {sparse.csc_matrix: "csc", sparse.csr_matrix: "csr"}