snprintf: guarantee %1$d, for libintl

[pspp] / doc / posix-functions / roundf.texi

diff --git a/doc/posix-functions/roundf.texi b/doc/posix-functions/roundf.texi
index e52a7962c760fbe7f796689df78ee734c7b67d00..b1d854b906a42e6b955094bfae4369f52fd5d3b7 100644 (file)
--- a/doc/posix-functions/roundf.texi
+++ b/doc/posix-functions/roundf.texi
@@ -4,9 +4,9 @@
 
 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/roundf.html}
 
-Gnulib module: roundf
+Gnulib module: roundf or roundf-ieee
 
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{roundf} or @code{roundf-ieee}:
 @itemize
 @item
 This function is missing on some platforms:
@@ -19,6 +19,18 @@ This functions returns a wrong result for x = 1/2 - 2^-25 on some platforms:
 mingw.
 @end itemize
 
+Portability problems fixed by Gnulib module @code{roundf-ieee}:
+@itemize
+@item
+This function returns a positive zero for an argument between -0.5 and 0
+on some platforms:
+AIX 7.1, OSF/1 5.1.
+@item
+This function returns a positive zero for a minus zero argument
+on some platforms:
+OSF/1 5.1.
+@end itemize
+
 Portability problems not fixed by Gnulib:
 @itemize
 @end itemize