X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Ftest-floor-ieee.c;h=33e55089e87e2640835d6a366fae21eac2ba7a92;hb=a77413333408e54b8d6c4e19918098794cef4b4b;hp=d7671a1c095a17d2423819ed28f53f1419a4327b;hpb=4b6dad7e35019625bd5eb30796beebac099a7422;p=gnulib.git

diff --git a/tests/test-floor-ieee.c b/tests/test-floor-ieee.c
index d7671a1c0..33e55089e 100644
--- a/tests/test-floor-ieee.c
+++ b/tests/test-floor-ieee.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards negative infinity.
-   Copyright (C) 2010-2011 Free Software Foundation, Inc.
+   Copyright (C) 2010-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -18,7 +18,10 @@
 
 #include <math.h>
 
+#include "isnand-nolibm.h"
 #include "minus-zero.h"
+#include "infinity.h"
+#include "nan.h"
 #include "macros.h"
 
 int
@@ -39,5 +42,13 @@ main ()
   ASSERT (!!signbit (floor (-0.3)) == !!signbit (minus_zerod));
   ASSERT (!!signbit (floor (-0.7)) == !!signbit (minus_zerod));
 
+  /* [MX] shaded specification in POSIX.  */
+
+  /* NaN.  */
+  ASSERT (isnand (floor (NaNd ())));
+  /* Infinity.  */
+  ASSERT (floor (Infinityd ()) == Infinityd ());
+  ASSERT (floor (- Infinityd ()) == - Infinityd ());
+
   return 0;
 }