- document and mlink frexpf, ldexpf, modff added 13 years ago

- document frexpl, ldexpl added recently
a tweak and ok jmc@

1 files changed, 22 insertions, 5 deletions

diff --git a/lib/libc/gen/ldexp.3 b/lib/libc/gen/ldexp.3
index 687a5161c50..f28c5ad665d 100644
--- a/lib/libc/gen/ldexp.3
+++ b/lib/libc/gen/ldexp.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ldexp.3,v 1.5 2007/05/31 19:19:28 jmc Exp $
+.\"	$OpenBSD: ldexp.3,v 1.6 2008/12/12 00:12:47 martynas Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -31,25 +31,42 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: December 12 2008 $
 .Dt LDEXP 3
 .Os
 .Sh NAME
-.Nm ldexp
+.Nm ldexp ,
+.Nm ldexpf ,
+.Nm ldexpl
 .Nd multiply floating-point number by integral power of 2
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
 .Fn ldexp "double x" "int exp"
+.Ft float
+.Fn ldexpf "float x" "int exp"
+.Ft long double
+.Fn ldexpl "long double x" "int exp"
 .Sh DESCRIPTION
 The
 .Fn ldexp
 function multiplies a floating-point number by an integral
 power of 2.
+The
+.Fn ldexpf
+function is a single precision version of
+.Fn ldexp .
+The
+.Fn ldexpl
+function is an extended precision version of
+.Fn ldexp .
 .Sh RETURN VALUES
 The
-.Fn ldexp
-function returns the value of
+.Fn ldexp ,
+.Fn ldexpf
+and
+.Fn ldexpl
+functions return the value of
 .Fa x
 times 2 raised to the power
 .Fa exp .