doctests added

sagemath · Sep 1, 2015 · d4ae5d3 · d4ae5d3
1 parent bb3f707
commit d4ae5d3
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/sage/rings/asymptotic/asymptotic_ring.py b/src/sage/rings/asymptotic/asymptotic_ring.py
@@ -1468,6 +1468,19 @@ def exp(self, precision=None):
 
             sage: (x^(-1)).exp(precision=7)
             1 + x^(-1) + 1/2*x^(-2) + 1/6*x^(-3) + ... + O(x^(-7))
+
+        TESTS::
+
+            sage: A.<x> = AsymptoticRing('SR^x * x^QQ * log(x)^QQ', SR)
+            sage: exp(log(x))
+            x
+            sage: log(exp(x))
+            x
+
+        ::
+
+            sage: exp(x+1)
+            e*e^x
         """
         return self._rpow_(precision=precision)