doctest fixes

some of them are changes of format of printing numbers such
as 0.xyzE-t - now they print as x.yzE-(t+1)

some are slight precision loss in the last digit

src/sage/interfaces/interface.py

@@ -589,9 +589,9 @@ def function_call(self, function, args=None, kwds=None):
         EXAMPLES::
 
             sage: maxima.quad_qags(x, x, 0, 1, epsrel=1e-4)
-            [0.5,0.55511151231257...e-14,21,0]
+            [0.5,5.5511151231257...e-15,21,0]
             sage: maxima.function_call('quad_qags', [x, x, 0, 1], {'epsrel':'1e-4'})
-            [0.5,0.55511151231257...e-14,21,0]
+            [0.5,5.5511151231257...e-15,21,0]
         """
         args, kwds = self._convert_args_kwds(args, kwds)
         self._check_valid_function_name(function)

src/sage/interfaces/maxima.py

@@ -128,9 +128,9 @@
 
     sage: a = maxima('(1 + sqrt(2))^5')
     sage: float(a)
-    82.01219330881975
+    82.0121933088197...
     sage: a.numer()
-    82.01219330881975
+    82.0121933088197...
 
 ::
 

src/sage/interfaces/maxima_abstract.py

@@ -1518,7 +1518,7 @@ def nintegral(self, var='x', a=0, b=1,
         EXAMPLES::
 
             sage: maxima('exp(-sqrt(x))').nintegral('x',0,1)
-            (0.5284822353142306, 0.41633141378838...e-10, 231, 0)
+            (0.5284822353142306, 4.1633141378838...e-11, 231, 0)
 
         Note that GP also does numerical integration, and can do so to very
         high precision very quickly::

src/sage/interfaces/tests.py

@@ -31,8 +31,8 @@
     ....: except IOError:
     ....:     f = open('/dev/null', 'w')
     sage: kwds = dict(shell=True, stdout=f, stderr=f)
-    sage: subprocess.call("echo syntax error | ecl", **kwds)
-    0
+    sage: subprocess.call("echo syntax error | ecl", **kwds) in (0, 255)
+    True
     sage: subprocess.call("echo syntax error | gap", **kwds) in (0, 1)
     True
     sage: subprocess.call("echo syntax error | gp", **kwds)