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Diffstat (limited to 'lib/msun/man/nextafter.3')
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diff --git a/lib/msun/man/nextafter.3 b/lib/msun/man/nextafter.3 new file mode 100644 index 0000000..c8c4aa3 --- /dev/null +++ b/lib/msun/man/nextafter.3 @@ -0,0 +1,96 @@ +.\" Copyright (c) 1985, 1991 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. +.\" 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: @(#)ieee.3 6.4 (Berkeley) 5/6/91 +.\" $FreeBSD$ +.\" +.Dd May 4, 2005 +.Dt NEXTAFTER 3 +.Os +.Sh NAME +.Nm nextafter , +.Nm nextafterf , +.Nm nextafterl , +.Nm nexttoward , +.Nm nexttowardf , +.Nm nexttowardl +.Nd next representable value +.Sh LIBRARY +.Lb libm +.Sh SYNOPSIS +.In math.h +.Ft double +.Fn nextafter "double x" "double y" +.Ft float +.Fn nextafterf "float x" "float y" +.Ft long double +.Fn nextafterl "long double x" "long double y" +.Ft double +.Fn nexttoward "double x" "long double y" +.Ft float +.Fn nexttowardf "float x" "long double y" +.Ft long double +.Fn nexttowardl "long double x" "long double y" +.Sh DESCRIPTION +These functions +return the next machine representable number from +.Fa x +in direction +.Fa y . +.Sh SEE ALSO +.Xr ieee 3 , +.Xr math 3 +.Sh STANDARDS +The +.Fn nextafter , +.Fn nextafterf , +.Fn nextafterl , +.Fn nexttoward , +.Fn nexttowardf , +and +.Fn nexttowardl +routines conform to +.St -isoC-99 . +They implement the Nextafter function recommended by +.St -ieee754 , +with the extension that +.Fn nextafter +0.0, -0.0 +returns +.Li -0.0 , +and +.Fn nextafter -0.0, +0.0 +returns +.Li +0.0 . +.Sh HISTORY +The +.Fn nextafter +function appeared in +.Bx 4.3 , +and +.Fn nextafterf +appeared in +.Fx 2.0 . |