Add new elemwise.

theano/sparse/basic.py

@@ -3280,6 +3280,34 @@ def log1p(x):
     # see decorator for function body
 
 
+@structured_monoid(tensor.expm1)
+def expm1(x):
+    """Elemwise e^`x` - 1.
+    """
+    # see decorator for function body
+
+
+@structured_monoid(tensor.deg2rad)
+def deg2rad(x):
+    """Elemwise degree to radian.
+    """
+    # see decorator for function body
+
+
+@structured_monoid(tensor.rad2deg)
+def rad2deg(x):
+    """Elemwise radian to degree.
+    """
+    # see decorator for function body
+
+
+@structured_monoid(tensor.trunc)
+def trunc(x):
+    """Elemwise truncature.
+    """
+    # see decorator for function body
+
+
 @structured_monoid(tensor.sqr)
 def sqr(x):
     """Elemwise `x` * `x`.

theano/sparse/tests/test_basic.py

@@ -2490,6 +2490,30 @@ Log1pTester = elemwise_checker(
     numpy.log1p,
     gap=(0.5, 10))
 
+Expm1Tester = elemwise_checker(
+    sparse.expm1,
+    numpy.expm1)
+
+Deg2RadTester = elemwise_checker(
+    sparse.deg2rad,
+    numpy.deg2rad,
+    test_dtypes=[m for m in sparse.all_dtypes
+                 if not  m in sparse.complex_dtypes])
+
+Rad2DegTester = elemwise_checker(
+    sparse.rad2deg,
+    numpy.rad2deg,
+    test_dtypes=[m for m in sparse.all_dtypes
+                 if not  m in sparse.complex_dtypes])
+
+
+TruncTester = elemwise_checker(
+    sparse.trunc,
+    numpy.trunc,
+    test_dtypes=[m for m in sparse.all_dtypes
+                 if not  m in sparse.complex_dtypes])
+
+
 SqrTester = elemwise_checker(
     sparse.sqr,
     lambda x: x * x)