Work around a glibc bug in strtok_r.

[gnulib.git] / tests / test-roundf1.c

diff --git a/tests/test-roundf1.c b/tests/test-roundf1.c
index 0b6bc2f..159762e 100644 (file)
--- a/tests/test-roundf1.c
+++ b/tests/test-roundf1.c
@@ -25,7 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "isnanf.h"
+#include "isnanf-nolibm.h"
 #include "nan.h"
 
 #define ASSERT(expr) \
@@ -40,12 +40,16 @@
     }                                                                       \
   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 (roundf (0.0f) == 0.0f);
-  ASSERT (roundf (-0.0f) == 0.0f);
+  ASSERT (roundf (-zero) == 0.0f);
   /* Positive numbers.  */
   ASSERT (roundf (0.3f) == 0.0f);
   ASSERT (roundf (0.5f) == 1.0f);