diff options
Diffstat (limited to 'lib/msun/man/tanh.3')
| -rw-r--r-- | lib/msun/man/tanh.3 | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/msun/man/tanh.3 b/lib/msun/man/tanh.3 index 6fb185c..ea2468f 100644 --- a/lib/msun/man/tanh.3 +++ b/lib/msun/man/tanh.3 @@ -28,12 +28,13 @@ .\" from: @(#)tanh.3 5.1 (Berkeley) 5/2/91 .\" $FreeBSD$ .\" -.Dd May 2, 1991 +.Dd August 17, 2013 .Dt TANH 3 .Os .Sh NAME .Nm tanh , -.Nm tanhf +.Nm tanhf , +.Nm tanhl .Nd hyperbolic tangent functions .Sh LIBRARY .Lb libm @@ -43,20 +44,24 @@ .Fn tanh "double x" .Ft float .Fn tanhf "float x" +.Ft long double +.Fn tanhl "long double x" .Sh DESCRIPTION The -.Fn tanh -and the -.Fn tanhf +.Fn tanh , +.Fn tanhf , +and +.Fn tanhl functions compute the hyperbolic tangent of .Fa x . For a discussion of error due to roundoff, see .Xr math 3 . .Sh RETURN VALUES The -.Fn tanh +.Fn tanh , +.Fn tanhf , and the -.Fn tanhf +.Fn tanhl functions return the hyperbolic tangent value. .Sh SEE ALSO .Xr acos 3 , |
