X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexpl.c;h=93cfa14434f37ae2c0b386ec908c13e896d57ebb;hb=70f2c04b76c463b54adb0c1db6de2b2c5c40661c;hp=1bcde6e1b662de6843faf585d6af4c71ef42a9b1;hpb=0a510cdfc2bf7fb0256b35cf6823635511bc3085;p=gnulib.git

diff --git a/tests/test-frexpl.c b/tests/test-frexpl.c
index 1bcde6e1b..93cfa1443 100644
--- a/tests/test-frexpl.c
+++ b/tests/test-frexpl.c
@@ -22,12 +22,22 @@
 #include <math.h>
 
 #include <float.h>
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
 
-#define ASSERT(expr) if (!(expr)) abort ();
+#define ASSERT(expr) \
+  do									     \
+    {									     \
+      if (!(expr))							     \
+        {								     \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          abort ();							     \
+        }								     \
+    }									     \
+  while (0)
 
 /* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable
    exponent for 'long double' is -964.  For exponents below that, the
@@ -88,6 +98,7 @@ main ()
     mantissa = frexpl (x, &exp);
     ASSERT (exp == 0);
     ASSERT (mantissa == x);
+    ASSERT (!signbit (mantissa));
   }
 
   { /* Negative zero.  */
@@ -97,6 +108,7 @@ main ()
     mantissa = frexpl (x, &exp);
     ASSERT (exp == 0);
     ASSERT (mantissa == x);
+    ASSERT (signbit (mantissa));
   }
 
   for (i = 1, x = 1.0L; i <= LDBL_MAX_EXP; i++, x *= 2.0L)