diff options
Diffstat (limited to 'lib/libm/man/asin.3')
| -rw-r--r-- | lib/libm/man/asin.3 | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/libm/man/asin.3 b/lib/libm/man/asin.3 index a940770ea82..cacb3506e71 100644 --- a/lib/libm/man/asin.3 +++ b/lib/libm/man/asin.3 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" from: @(#)asin.3 5.1 (Berkeley) 5/2/91 -.\" $Id: asin.3,v 1.2 1995/10/28 00:56:46 deraadt Exp $ +.\" $Id: asin.3,v 1.3 1997/04/05 04:18:46 tholo Exp $ .\" .Dd May 2, 1991 .Dt ASIN 3 @@ -56,8 +56,13 @@ in the range .Bq -\*(Pi/2, +\*(Pi/2 . .Ek .Sh RETURN VALUES -Exceptional cases are handled by -.Xr matherr 3 . +If |x|>1, +.Fn asin "x" +and +.Fn asinf "x" +returns NaN and sets the global variable +.Va errno +to EDOM. .Sh SEE ALSO .Xr acos 3 , .Xr atan 3 , @@ -68,5 +73,4 @@ Exceptional cases are handled by .Xr sinh 3 , .Xr tan 3 , .Xr tanh 3 , -.Xr math 3 , -.Xr matherr 3 +.Xr math 3 |