diff options
Diffstat (limited to 'libm/man/asin.3')
-rw-r--r-- | libm/man/asin.3 | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libm/man/asin.3 b/libm/man/asin.3 new file mode 100644 index 0000000..1018990 --- /dev/null +++ b/libm/man/asin.3 @@ -0,0 +1,94 @@ +.\" Copyright (c) 1991 The Regents of the University of California. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" from: @(#)asin.3 5.1 (Berkeley) 5/2/91 +.\" $FreeBSD: src/lib/msun/man/asin.3,v 1.15 2005/01/14 23:28:28 das Exp $ +.\" +.Dd January 14, 2005 +.Dt ASIN 3 +.Os +.Sh NAME +.Nm asin , +.Nm asinf +.Nd arc sine functions +.Sh LIBRARY +.Lb libm +.Sh SYNOPSIS +.In math.h +.Ft double +.Fn asin "double x" +.Ft float +.Fn asinf "float x" +.Sh DESCRIPTION +The +.Fn asin +and the +.Fn asinf +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 +.Bk -words +.Bq -\*(Pi/2 , +\*(Pi/2 +.Ek +radians. +If: +.Bd -unfilled -offset indent +.Pf \&| Ns Ar x Ns \&| > 1 +.Ed +.Pp +.Fn asin x +raises an invalid exception and returns an \*(Na. +.Sh SEE ALSO +.Xr acos 3 , +.Xr atan 3 , +.Xr atan2 3 , +.Xr cos 3 , +.Xr cosh 3 , +.Xr fenv 3 , +.Xr math 3 , +.Xr sin 3 , +.Xr sinh 3 , +.Xr tan 3 , +.Xr tanh 3 +.Sh STANDARDS +The +.Fn asin +function conforms to +.St -isoC . |