diff options
Diffstat (limited to 'lib/msun/man/acosh.3')
| -rw-r--r-- | lib/msun/man/acosh.3 | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/lib/msun/man/acosh.3 b/lib/msun/man/acosh.3 index cd04bb7..b32c2ea 100644 --- a/lib/msun/man/acosh.3 +++ b/lib/msun/man/acosh.3 @@ -28,12 +28,13 @@ .\" from: @(#)acosh.3 5.2 (Berkeley) 5/6/91 .\" $FreeBSD$ .\" -.Dd January 14, 2005 +.Dd June 9, 2013 .Dt ACOSH 3 .Os .Sh NAME .Nm acosh , -.Nm acoshf +.Nm acoshf , +.Nm acoshl .Nd inverse hyperbolic cosine functions .Sh LIBRARY .Lb libm @@ -43,11 +44,14 @@ .Fn acosh "double x" .Ft float .Fn acoshf "float x" +.Ft long double +.Fn acoshl "long double x" .Sh DESCRIPTION The -.Fn acosh -and the -.Fn acoshf +.Fn acosh , +.Fn acoshf , +and +.Fn acoshl functions compute the inverse hyperbolic cosine of the real argument @@ -55,11 +59,7 @@ argument For a discussion of error due to roundoff, see .Xr math 3 . .Sh RETURN VALUES -The -.Fn acosh -and the -.Fn acoshf -functions +These functions return the inverse hyperbolic cosine of .Ar x . If the argument is less than 1, @@ -73,6 +73,13 @@ raises an invalid exception and returns an \*(Na. .Xr math 3 .Sh HISTORY The -.Fn acosh -function appeared in -.Bx 4.3 . +.Fn acosh , +.Fn acoshf , +and +.Fn acoshl +functions appeared in +.Bx 4.3 , +.Fx 2.0 , +and +.Fx 10.0 , +respectively. |
