unistr/u*-chr: test multibyte sequences more

[gnulib.git] / tests / test-ceilf2.c

diff --git a/tests/test-ceilf2.c b/tests/test-ceilf2.c
index a7c4b5e..705c19a 100644 (file)
--- a/tests/test-ceilf2.c
+++ b/tests/test-ceilf2.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards positive infinity.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -16,6 +16,9 @@
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
 
+/* When this test fails on some platform, build it together with the gnulib
+   module 'fprintf-posix' for optimal debugging output.  */
+
 #include <config.h>
 
 #include <math.h>
@@ -119,8 +122,10 @@ check (float x)
       return 0;
     else
       {
+#if GNULIB_TEST_FPRINTF_POSIX
         fprintf (stderr, "ceilf %g(%a) = %g(%a) or %g(%a)?\n",
                  x, x, reference, reference, result, result);
+#endif
         return 1;
       }
   }