Move to here from test-fprintf-posix.out.

[gnulib.git] / tests / test-frexpl.c

diff --git a/tests/test-frexpl.c b/tests/test-frexpl.c
index 1bcde6e..93cfa14 100644 (file)
--- 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)