frexp, tests: work around ICC bug with -zero

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

diff --git a/tests/test-frexp.c b/tests/test-frexp.c
index d5ab7e5..b0f1a4e 100644 (file)
--- a/tests/test-frexp.c
+++ b/tests/test-frexp.c
@@ -26,6 +26,7 @@ SIGNATURE_CHECK (frexp, double, (double, int *));
 #include <float.h>
 
 #include "isnand-nolibm.h"
+#include "minus-zero.h"
 #include "nan.h"
 #include "macros.h"
 
@@ -34,10 +35,6 @@ SIGNATURE_CHECK (frexp, double, (double, int *));
 #undef exp
 #define exp exponent
 
-/* 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)
 {
@@ -96,7 +93,7 @@ main ()
   { /* Negative zero.  */
     int exp = -9999;
     double mantissa;
-    x = -zero;
+    x = minus_zerod;
     mantissa = frexp (x, &exp);
     ASSERT (exp == 0);
     ASSERT (mantissa == x);