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-rwxr-xr-xdoc/ref/scheme-data.texi5
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/ref/scheme-data.texi b/doc/ref/scheme-data.texi
index 5d6554a51..a5a5e5a71 100755
--- a/doc/ref/scheme-data.texi
+++ b/doc/ref/scheme-data.texi
@@ -802,8 +802,9 @@ type @code{double} rather than the usual @code{SCM}.
@end deftypefn
For @code{floor} and @code{ceiling}, the equivalent C functions are
-@code{floor} and @code{ceil} from the standard mathematics library
-(which also take and return @code{double} arguments).
+@code{floor} and @code{ceil} from the standard mathematics library,
+which also take and return @code{double} arguments (@pxref{Rounding
+Functions,,, libc, GNU C Library Reference Manual}).
@node Scientific