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Diffstat (limited to 'static/netbsd/man3/fpclassify.3')
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diff --git a/static/netbsd/man3/fpclassify.3 b/static/netbsd/man3/fpclassify.3 new file mode 100644 index 00000000..c8dcc1ba --- /dev/null +++ b/static/netbsd/man3/fpclassify.3 @@ -0,0 +1,94 @@ +.\" $NetBSD: fpclassify.3,v 1.3 2008/04/30 13:10:50 martin Exp $ +.\" +.\" Copyright (c) 2003 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by Klaus Klein. +.\" +.\" 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. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. +.\" +.Dd January 14, 2004 +.Dt FPCLASSIFY 3 +.Os +.Sh NAME +.Nm fpclassify +.Nd classify real floating type +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In math.h +.Ft int +.Fn fpclassify "real-floating x" +.Sh DESCRIPTION +The +.Fn fpclassify +macro performs classification of its argument +.Fa x . +An argument represented in a format wider than its semantic type is +converted to its semantic type first. +The classification is then based on the type of the argument. +.Ss IEEE 754 +.Bl -tag -width "FP_SUBNORMALXXX" -compact -offset indent +.It Dv FP_INFINITE +infinity, either positive or negative +.It Dv FP_NAN +not-a-number +.Pq Dq NaN +.It Dv FP_NORMAL +normal +.It Dv FP_SUBNORMAL +subnormal +.It Dv FP_ZERO +zero +.El +.Ss VAX +.Bl -tag -width "FP_DIRTYZEROXXX" -compact -offset indent +.It Dv FP_ROP +reserved operand +.Pq Dq ROP +.It Dv FP_DIRTYZERO +dirty zero +.It Dv FP_NORMAL +finite +.It Dv FP_ZERO +true zero +.El +.Sh RETURN VALUES +The +.Fn fpclassify +macro returns the value of the number classification macro appropriate +to its argument +.Fa x +as described above. +.Sh ERRORS +No errors are defined. +.Sh SEE ALSO +.Xr isfinite 3 , +.Xr isnormal 3 , +.Xr math 3 , +.Xr signbit 3 +.Sh STANDARDS +The +.Fn fpclassify +macro conforms to +.St -isoC-99 . |
