X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexp.c;h=0cd08230bed925c422f12704c8b0848b306ffcc8;hb=c7cf9c5005c207ccc24581f0bddb48a5864d443c;hp=cb80f56413e80850148f9622a23f8472b9ac4ff0;hpb=06945b7c073c0872ec2049c0e0b94f789bf8d77e;p=gnulib.git

diff --git a/tests/test-frexp.c b/tests/test-frexp.c
index cb80f5641..0cd08230b 100644
--- a/tests/test-frexp.c
+++ b/tests/test-frexp.c
@@ -24,7 +24,13 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "isnand.h"
+#include "isnand-nolibm.h"
+#include "nan.h"
+
+/* Avoid some warnings from "gcc -Wshadow".
+   This file doesn't use the exp() function.  */
+#undef exp
+#define exp exponent
 
 #define ASSERT(expr) \
   do									     \
@@ -32,11 +38,16 @@
       if (!(expr))							     \
         {								     \
           fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);						     \
           abort ();							     \
         }								     \
     }									     \
   while (0)
 
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
+   So we use -zero instead.  */
+double zero = 0.0;
+
 static double
 my_ldexp (double x, int d)
 {
@@ -61,7 +72,7 @@ main ()
   { /* NaN.  */
     int exp = -9999;
     double mantissa;
-    x = NAN;
+    x = NaNd ();
     mantissa = frexp (x, &exp);
     ASSERT (isnand (mantissa));
   }
@@ -95,7 +106,7 @@ main ()
   { /* Negative zero.  */
     int exp = -9999;
     double mantissa;
-    x = -0.0;
+    x = -zero;
     mantissa = frexp (x, &exp);
     ASSERT (exp == 0);
     ASSERT (mantissa == x);