Merge pull request #3124 from Krastanov/sparse-conj

theano/sparse/basic.py

@@ -3168,6 +3168,13 @@ def sqrt(x):
     # see decorator for function body
 
 
+@structured_monoid(tensor.conj)
+def conj(x):
+    """Elemwise complex conjugate of `x`.
+    """
+    # see decorator for function body
+
+
 class TrueDot(gof.op.Op):
 
     # TODO

theano/sparse/tests/test_basic.py

@@ -2881,6 +2881,11 @@ SqrtTester = elemwise_checker(
     numpy.sqrt,
     gap=(0, 10))
 
+ConjTester = elemwise_checker(
+    sparse.conj,
+    numpy.conj,
+    grad_test=False)
+
 
 class MulSVTester(unittest.TestCase):
     def setUp(self):