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[gnulib.git] / tests / test-round1.c

diff --git a/tests/test-round1.c b/tests/test-round1.c
index 935eb10..0f2ed94 100644 (file)
--- a/tests/test-round1.c
+++ b/tests/test-round1.c
@@ -40,12 +40,16 @@
     }                                                                       \
   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 ()
 {
   /* Zero.  */
   ASSERT (round (0.0) == 0.0);
-  ASSERT (round (-0.0) == 0.0);
+  ASSERT (round (-zero) == 0.0);
   /* Positive numbers.  */
   ASSERT (round (0.3) == 0.0);
   ASSERT (round (0.5) == 1.0);