Work around bug of HP-UX 10.20 cc with -0.0 literal.

[gnulib.git] / tests / test-truncf1.c

diff --git a/tests/test-truncf1.c b/tests/test-truncf1.c
index 8d46840..a9abed4 100644 (file)
--- a/tests/test-truncf1.c
+++ b/tests/test-truncf1.c
@@ -38,12 +38,16 @@
     }                                                                       \
   while (0)
 
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0f.
+   So we use -zero instead.  */
+float zero = 0.0f;
+
 int
 main ()
 {
   /* Zero.  */
   ASSERT (truncf (0.0f) == 0.0f);
-  ASSERT (truncf (-0.0f) == 0.0f);
+  ASSERT (truncf (-zero) == 0.0f);
   /* Positive numbers.  */
   ASSERT (truncf (0.3f) == 0.0f);
   ASSERT (truncf (0.7f) == 0.0f);