def binary_op(op_str, a, b):
if op_str == '+':
return a + b
elif op_str == 'Add':
return Add(a, b)
elif op_str == '-':
return a - b
elif op_str == 'Sub':
return Subtract(a, b)
elif op_str == '*':
return a * b
elif op_str == 'Mul':
return Multiply(a, b)
elif op_str == '/':
return a / b
elif op_str == 'Div':
return Divide(a, b)
elif op_str == 'Dot':
return Dot(a, b)
elif op_str == 'Equal':
return Equal(a, b)
elif op_str == 'Greater':
return Greater(a, b)
elif op_str == 'GreaterEq':
return GreaterEq(a, b)
elif op_str == 'Less':
return Less(a, b)
elif op_str == 'LessEq':
return LessEq(a, b)
elif op_str == 'Maximum':
return Maximum(a, b)
elif op_str == 'Minimum':
return Minimum(a, b)
elif op_str == 'NotEqual':
return NotEqual(a, b)
elif op_str == 'Power':
return Power(a, b)
def minimum(left_node,
right_node,
name=None): # type: (NodeInput, NodeInput, str) -> Node
"""Return node which applies the minimum operation to input nodes elementwise."""
return Minimum(left_node, right_node)