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theano/tensor/basic.py

@@ -2354,6 +2354,8 @@ def zeros(shape, dtype=None):
         shape = [shape]
     if dtype is None:
         dtype = config.floatX
+    if len(shape) == 0:
+        return constant(0.0, dtype=dtype)
     return alloc(numpy.array(0, dtype=dtype), *shape)
 
 
@@ -2365,6 +2367,8 @@ def ones(shape, dtype=None):
         shape = [shape]
     if dtype is None:
         dtype = config.floatX
+    if len(shape) == 0:
+        return constant(1.0, dtype=dtype)
     return alloc(numpy.array(1, dtype=dtype), *shape)