diff options
Diffstat (limited to 'lib/msun/man/asin.3')
-rw-r--r-- | lib/msun/man/asin.3 | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/lib/msun/man/asin.3 b/lib/msun/man/asin.3 index f7e8404..d9cad73 100644 --- a/lib/msun/man/asin.3 +++ b/lib/msun/man/asin.3 @@ -28,12 +28,13 @@ .\" from: @(#)asin.3 5.1 (Berkeley) 5/2/91 .\" $FreeBSD$ .\" -.Dd January 14, 2005 +.Dd July 31, 2008 .Dt ASIN 3 .Os .Sh NAME .Nm asin , -.Nm asinf +.Nm asinf , +.Nm asinl .Nd arc sine functions .Sh LIBRARY .Lb libm @@ -43,23 +44,18 @@ .Fn asin "double x" .Ft float .Fn asinf "float x" +.Ft long double +.Fn asinl "long double x" .Sh DESCRIPTION The -.Fn asin -and the -.Fn asinf +.Fn asin , +.Fn asinf , +and +.Fn asinl functions compute the principal value of the arc sine of .Fa x . -A domain error occurs for arguments not in the range -.Bq -1 , +1 . -For a discussion of error due to roundoff, see -.Xr math 3 . .Sh RETURN VALUES -The -.Fn asin -and the -.Fn asinf -functions return the arc sine in the range +These functions return the arc sine in the range .Bk -words .Bq -\*(Pi/2 , +\*(Pi/2 .Ek @@ -85,6 +81,9 @@ raises an invalid exception and returns an \*(Na. .Xr tanh 3 .Sh STANDARDS The -.Fn asin -function conforms to -.St -isoC . +.Fn asin , +.Fn asinf , +and +.Fn asinl +functions conform to +.St -isoC-99 . |