roundf-ieee: Fix test failures on AIX 7.1 and OSF/1 5.1.

[pspp] / doc / func.texi

diff --git a/doc/func.texi b/doc/func.texi
index 7a843c37412f172ecae4c42cfa901d57490a0f81..7225ca62993bd46327bf66d5371f50439b6debd6 100644 (file)
--- a/doc/func.texi
+++ b/doc/func.texi
@@ -15,3 +15,6 @@ int main (void)
     printf ("%s: hello world\n", __func__);
 @}
 @end smallexample
+
+Note that @code{sizeof} cannot be applied to @code{__func__}: On SunPRO C
+compiler, @code{sizeof __func__} evaluates to 0.