X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-isnand.h;h=09c5e97768d578e1f9dbceed1cabb8d0f07b220d;hb=24208770c8721323060207c9be83dd24400678d3;hp=cf8cb5d4ba8794e6f19dc9e1126a0547ae20804a;hpb=fc11af0a623e95f1c0dc57aa56c134e380752770;p=gnulib.git

diff --git a/tests/test-isnand.h b/tests/test-isnand.h
index cf8cb5d4b..09c5e9776 100644
--- a/tests/test-isnand.h
+++ b/tests/test-isnand.h
@@ -34,6 +34,10 @@
     }									     \
   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;
+
 int
 main ()
 {
@@ -45,7 +49,7 @@ main ()
   ASSERT (!isnand (-2.718e30));
   ASSERT (!isnand (-2.718e-30));
   ASSERT (!isnand (0.0));
-  ASSERT (!isnand (-0.0));
+  ASSERT (!isnand (-zero));
   /* Infinite values.  */
   ASSERT (!isnand (1.0 / 0.0));
   ASSERT (!isnand (-1.0 / 0.0));