X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-floorl.c;h=2675a9e5d5821a2970e0050d9349e067b7a95c0a;hb=8e20755cd51476b841e55faf7c21a57d8884d130;hp=14979e68dca0e15c2fdbe481bafa0a3bee09bc28;hpb=b7cb23a66cd14b33c65e4fc95cbc5e6a4ed51fee;p=gnulib.git

diff --git a/tests/test-floorl.c b/tests/test-floorl.c
index 14979e68d..2675a9e5d 100644
--- a/tests/test-floorl.c
+++ b/tests/test-floorl.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards negative infinity.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 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
@@ -20,40 +20,16 @@
 
 #include <math.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (floorl, long double, (long double));
+
 #include <float.h>
-#include <stdio.h>
-#include <stdlib.h>
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
-
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zero instead.
-   IRIX cc can't put -0.0L into .data, but can compute at runtime.
-   Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
-   platforms, such as when cross-compiling to PowerPC on MacOS X 10.5.  */
-#if defined __hpux || defined __sgi
-static long double
-compute_minus_zero (void)
-{
-  return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zero compute_minus_zero ()
-#else
-long double minus_zero = -0.0L;
-#endif
+#include "minus-zero.h"
+#include "nan.h"
+#include "macros.h"
 
 int
 main ()
@@ -64,7 +40,9 @@ main ()
 
   /* Zero.  */
   ASSERT (floorl (0.0L) == 0.0L);
-  ASSERT (floorl (minus_zero) == 0.0L);
+  ASSERT (!signbit (floorl (0.0L)));
+  ASSERT (floorl (minus_zerol) == 0.0L);
+  ASSERT (!!signbit (minus_zerol) == !!signbit (floorl (minus_zerol)));
   /* Positive numbers.  */
   ASSERT (floorl (0.3L) == 0.0L);
   ASSERT (floorl (0.7L) == 0.0L);
@@ -90,7 +68,7 @@ main ()
   ASSERT (floorl (1.0L / 0.0L) == 1.0L / 0.0L);
   ASSERT (floorl (-1.0L / 0.0L) == -1.0L / 0.0L);
   /* NaNs.  */
-  ASSERT (isnanl (floorl (0.0L / 0.0L)));
+  ASSERT (isnanl (floorl (NaNl ())));
 
   return 0;
 }