diff -r 574e0baea136 -r a689e0187ef5 tests/pass/frexp.lua
--- a/tests/pass/frexp.lua	Sat Sep 21 14:02:16 2013 +0100
+++ b/tests/pass/frexp.lua	Sat Sep 21 14:31:22 2013 +0100
@@ -8,4 +8,10 @@
 assert(m == 0.75 and e == 2, "frexp(3)");
 
 local m, e = math.frexp(-1);
-assert(m == -0.5 and e == 1, "frexp(1)");
+assert(m == -0.5 and e == 1, "frexp(-1)");
+
+local m, e = math.frexp(0.5);
+assert(m == 0.5 and e == 0, "frexp(0.5)");
+
+local m, e = math.frexp(0.1);
+assert(m == 0.8 and e == -3, "frexp(0.1)");