1*2fe8fb19SBen Gras.\" Copyright (c) 2004 David Schultz <das@FreeBSD.org> 2*2fe8fb19SBen Gras.\" All rights reserved. 3*2fe8fb19SBen Gras.\" 4*2fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 5*2fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 6*2fe8fb19SBen Gras.\" are met: 7*2fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 8*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 9*2fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 10*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 11*2fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 12*2fe8fb19SBen Gras.\" 13*2fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14*2fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15*2fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16*2fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17*2fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18*2fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19*2fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20*2fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21*2fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22*2fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23*2fe8fb19SBen Gras.\" SUCH DAMAGE. 24*2fe8fb19SBen Gras.\" 25*2fe8fb19SBen Gras.\" $FreeBSD: src/lib/msun/man/fmax.3,v 1.2 2005/01/14 09:12:05 ru Exp $ 26*2fe8fb19SBen Gras.\" $NetBSD$ 27*2fe8fb19SBen Gras.\" 28*2fe8fb19SBen Gras.Dd June 29, 2004 29*2fe8fb19SBen Gras.Dt FMAX 3 30*2fe8fb19SBen Gras.Os 31*2fe8fb19SBen Gras.Sh NAME 32*2fe8fb19SBen Gras.Nm fmax , 33*2fe8fb19SBen Gras.Nm fmaxf , 34*2fe8fb19SBen Gras.Nm fmaxl , 35*2fe8fb19SBen Gras.Nm fmin , 36*2fe8fb19SBen Gras.Nm fminf , 37*2fe8fb19SBen Gras.Nm fminl 38*2fe8fb19SBen Gras.Nd floating-point maximum and minimum functions 39*2fe8fb19SBen Gras.Sh LIBRARY 40*2fe8fb19SBen Gras.Lb libm 41*2fe8fb19SBen Gras.Sh SYNOPSIS 42*2fe8fb19SBen Gras.In math.h 43*2fe8fb19SBen Gras.Ft double 44*2fe8fb19SBen Gras.Fn fmax "double x" "double y" 45*2fe8fb19SBen Gras.Ft float 46*2fe8fb19SBen Gras.Fn fmaxf "float x" "float y" 47*2fe8fb19SBen Gras.Ft "long double" 48*2fe8fb19SBen Gras.Fn fmaxl "long double x" "long double y" 49*2fe8fb19SBen Gras.Ft double 50*2fe8fb19SBen Gras.Fn fmin "double x" "double y" 51*2fe8fb19SBen Gras.Ft float 52*2fe8fb19SBen Gras.Fn fminf "float x" "float y" 53*2fe8fb19SBen Gras.Ft "long double" 54*2fe8fb19SBen Gras.Fn fminl "long double x" "long double y" 55*2fe8fb19SBen Gras.Sh DESCRIPTION 56*2fe8fb19SBen GrasThe 57*2fe8fb19SBen Gras.Fn fmax , 58*2fe8fb19SBen Gras.Fn fmaxf , 59*2fe8fb19SBen Grasand 60*2fe8fb19SBen Gras.Fn fmaxl 61*2fe8fb19SBen Grasfunctions return the larger of 62*2fe8fb19SBen Gras.Fa x 63*2fe8fb19SBen Grasand 64*2fe8fb19SBen Gras.Fa y , 65*2fe8fb19SBen Grasand likewise, the 66*2fe8fb19SBen Gras.Fn fmin , 67*2fe8fb19SBen Gras.Fn fminf , 68*2fe8fb19SBen Grasand 69*2fe8fb19SBen Gras.Fn fminl 70*2fe8fb19SBen Grasfunctions return the smaller of 71*2fe8fb19SBen Gras.Fa x 72*2fe8fb19SBen Grasand 73*2fe8fb19SBen Gras.Fa y . 74*2fe8fb19SBen GrasThey treat 75*2fe8fb19SBen Gras.Li +0.0 76*2fe8fb19SBen Grasas being larger than 77*2fe8fb19SBen Gras.Li -0.0 . 78*2fe8fb19SBen GrasIf one argument is an \*(Na, then the other argument is returned. 79*2fe8fb19SBen GrasIf both arguments are \*(Nas, then the result is an \*(Na. 80*2fe8fb19SBen GrasThese routines do not raise any floating-point exceptions. 81*2fe8fb19SBen Gras.Sh SEE ALSO 82*2fe8fb19SBen Gras.Xr fabs 3 , 83*2fe8fb19SBen Gras.Xr fdim 3 , 84*2fe8fb19SBen Gras.Xr math 3 85*2fe8fb19SBen Gras.Sh STANDARDS 86*2fe8fb19SBen GrasThe 87*2fe8fb19SBen Gras.Fn fmax , 88*2fe8fb19SBen Gras.Fn fmaxf , 89*2fe8fb19SBen Gras.Fn fmaxl , 90*2fe8fb19SBen Gras.Fn fmin , 91*2fe8fb19SBen Gras.Fn fminf , 92*2fe8fb19SBen Grasand 93*2fe8fb19SBen Gras.Fn fminl 94*2fe8fb19SBen Grasfunctions conform to 95*2fe8fb19SBen Gras.St -isoC-99 . 96*2fe8fb19SBen Gras.Sh HISTORY 97*2fe8fb19SBen GrasThese routines first appeared in 98*2fe8fb19SBen Gras.Fx 5.3 99*2fe8fb19SBen Grasand 100*2fe8fb19SBen Gras.Nx 5.1 . 101