X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-floor-ieee.c;h=33e55089e87e2640835d6a366fae21eac2ba7a92;hb=4779b635ef35c7b0bc4044fcb5bc746d06f158c4;hp=4446e8b1488f853a8df593361a5d1911d2fc4fa0;hpb=9ca8092d849ed03418229af9a2aefdf784fd4db9;p=gnulib.git

diff --git a/tests/test-floor-ieee.c b/tests/test-floor-ieee.c
index 4446e8b14..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 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;
 }