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diff --git a/libm/man/fabs.3 b/libm/man/fabs.3 new file mode 100644 index 0000000..56b3a23 --- /dev/null +++ b/libm/man/fabs.3 @@ -0,0 +1,87 @@ +.\" Copyright (c) 1991 The Regents of the University of California. +.\" All rights reserved. +.\" +.\" @(#)fabs.3 5.1 (Berkeley) 5/2/91 +.\" 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: @(#)fabs.3 5.1 (Berkeley) 5/2/91 +.\" $FreeBSD: src/lib/msun/man/fabs.3,v 1.11 2004/07/01 18:20:57 ru Exp $ +.\" +.Dd October 25, 2003 +.Dt FABS 3 +.Os +.Sh NAME +.Nm fabs , +.Nm fabsf , +.Nm fabsl +.Nd floating-point absolute value functions +.Sh LIBRARY +.Lb libm +.Sh SYNOPSIS +.In math.h +.Ft double +.Fn fabs "double x" +.Ft float +.Fn fabsf "float x" +.Ft long double +.Fn fabsl "long double x" +.Sh DESCRIPTION +The +.Fn fabs , +.Fn fabsf +and +.Fn fabsl +functions compute the absolute value of a floating-point number +.Fa x . +.Sh RETURN VALUES +The +.Fn fabs , +.Fn fabsf +and +.Fn fabsl +functions return the absolute value of +.Fa x . +.Sh SEE ALSO +.Xr abs 3 , +.Xr ceil 3 , +.Xr floor 3 , +.Xr ieee 3 , +.Xr math 3 , +.Xr rint 3 +.Sh STANDARDS +The +.Fn fabs +function conforms to +.St -isoC . +The +.Fn fabsf +and +.Fn fabsl +functions conform to +.St -isoC-99 . |