Integer: Add p, q attributes to match Rational.

Author: mattwala

symengine/lib/symengine_wrapper.pyx

@@ -846,6 +846,14 @@ cdef class Integer(Number):
     def __float__(self):
         return float(str(self))
 
+    @property
+    def p(self):
+        return int(self)
+
+    @property
+    def q(self):
+        return 1
+
 
 cdef class RealDouble(Number):
 

symengine/tests/test_sympy_compat.py

@@ -6,6 +6,8 @@ def test_Integer():
     assert isinstance(i, Integer)
     assert isinstance(i, Rational)
     assert isinstance(i, Basic)
+    assert i.p == 5
+    assert i.q == 1
 
 def test_Rational():
     i = S(1)/2