The usual :)
diff --git a/Lib/dos-8x3/test_mat.py b/Lib/dos-8x3/test_mat.py
index 6d6bc44..5c8efc6 100644
--- a/Lib/dos-8x3/test_mat.py
+++ b/Lib/dos-8x3/test_mat.py
@@ -129,6 +129,18 @@
testit('pow(2,1)', math.pow(2,1), 2)
testit('pow(2,-1)', math.pow(2,-1), 0.5)
+print 'rint'
+try:
+ math.rint
+except AttributeError:
+ # this platform does not have rint, that is fine, skip the test
+ pass
+else:
+ testit('rint(0.7)', math.rint(0.7), 1)
+ testit('rint(-0.3)', math.rint(-0.3), 0)
+ testit('rint(2.5)', math.rint(2.5), 2)
+ testit('rint(3.5)', math.rint(3.5), 4)
+
print 'sin'
testit('sin(0)', math.sin(0), 0)
testit('sin(pi/2)', math.sin(math.pi/2), 1)