14f82cb46SDavid Schultz.\" Copyright (c) 2004 David Schultz <das@FreeBSD.org> 24f82cb46SDavid Schultz.\" All rights reserved. 34f82cb46SDavid Schultz.\" 44f82cb46SDavid Schultz.\" Redistribution and use in source and binary forms, with or without 54f82cb46SDavid Schultz.\" modification, are permitted provided that the following conditions 64f82cb46SDavid Schultz.\" are met: 74f82cb46SDavid Schultz.\" 1. Redistributions of source code must retain the above copyright 84f82cb46SDavid Schultz.\" notice, this list of conditions and the following disclaimer. 94f82cb46SDavid Schultz.\" 2. Redistributions in binary form must reproduce the above copyright 104f82cb46SDavid Schultz.\" notice, this list of conditions and the following disclaimer in the 114f82cb46SDavid Schultz.\" documentation and/or other materials provided with the distribution. 124f82cb46SDavid Schultz.\" 134f82cb46SDavid Schultz.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 144f82cb46SDavid Schultz.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 154f82cb46SDavid Schultz.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 164f82cb46SDavid Schultz.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 174f82cb46SDavid Schultz.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 184f82cb46SDavid Schultz.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 194f82cb46SDavid Schultz.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 204f82cb46SDavid Schultz.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 214f82cb46SDavid Schultz.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 224f82cb46SDavid Schultz.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 234f82cb46SDavid Schultz.\" SUCH DAMAGE. 244f82cb46SDavid Schultz.\" 254f82cb46SDavid Schultz.Dd June 29, 2004 264f82cb46SDavid Schultz.Dt FMAX 3 274f82cb46SDavid Schultz.Os 284f82cb46SDavid Schultz.Sh NAME 294f82cb46SDavid Schultz.Nm fmax , 304f82cb46SDavid Schultz.Nm fmaxf , 314f82cb46SDavid Schultz.Nm fmaxl , 324f82cb46SDavid Schultz.Nm fmin , 334f82cb46SDavid Schultz.Nm fminf , 344f82cb46SDavid Schultz.Nm fminl 354f82cb46SDavid Schultz.Nd floating-point maximum and minimum functions 364f82cb46SDavid Schultz.Sh LIBRARY 374f82cb46SDavid Schultz.Lb libm 384f82cb46SDavid Schultz.Sh SYNOPSIS 394f82cb46SDavid Schultz.In math.h 404f82cb46SDavid Schultz.Ft double 414f82cb46SDavid Schultz.Fn fmax "double x" "double y" 424f82cb46SDavid Schultz.Ft float 434f82cb46SDavid Schultz.Fn fmaxf "float x" "float y" 44*e880667bSRuslan Ermilov.Ft "long double" 454f82cb46SDavid Schultz.Fn fmaxl "long double x" "long double y" 464f82cb46SDavid Schultz.Ft double 474f82cb46SDavid Schultz.Fn fmin "double x" "double y" 484f82cb46SDavid Schultz.Ft float 494f82cb46SDavid Schultz.Fn fminf "float x" "float y" 50*e880667bSRuslan Ermilov.Ft "long double" 514f82cb46SDavid Schultz.Fn fminl "long double x" "long double y" 524f82cb46SDavid Schultz.Sh DESCRIPTION 534f82cb46SDavid SchultzThe 544f82cb46SDavid Schultz.Fn fmax , 554f82cb46SDavid Schultz.Fn fmaxf , 564f82cb46SDavid Schultzand 574f82cb46SDavid Schultz.Fn fmaxl 584f82cb46SDavid Schultzfunctions return the larger of 594f82cb46SDavid Schultz.Fa x 604f82cb46SDavid Schultzand 614f82cb46SDavid Schultz.Fa y , 624f82cb46SDavid Schultzand likewise, the 634f82cb46SDavid Schultz.Fn fmin , 644f82cb46SDavid Schultz.Fn fminf , 654f82cb46SDavid Schultzand 664f82cb46SDavid Schultz.Fn fminl 674f82cb46SDavid Schultzfunctions return the smaller of 684f82cb46SDavid Schultz.Fa x 694f82cb46SDavid Schultzand 704f82cb46SDavid Schultz.Fa y . 71*e880667bSRuslan ErmilovThey treat 724f82cb46SDavid Schultz.Li +0.0 73*e880667bSRuslan Ermilovas being larger than 744f82cb46SDavid Schultz.Li -0.0 . 754f82cb46SDavid SchultzIf one argument is an \*(Na, then the other argument is returned. 764f82cb46SDavid SchultzIf both arguments are \*(Nas, then the result is an \*(Na. 774f82cb46SDavid SchultzThese routines do not raise any floating-point exceptions. 784f82cb46SDavid Schultz.Sh SEE ALSO 794f82cb46SDavid Schultz.Xr fabs 3 , 804f82cb46SDavid Schultz.Xr fdim 3 , 814f82cb46SDavid Schultz.Xr math 3 824f82cb46SDavid Schultz.Sh STANDARDS 834f82cb46SDavid SchultzThe 844f82cb46SDavid Schultz.Fn fmax , 854f82cb46SDavid Schultz.Fn fmaxf , 864f82cb46SDavid Schultz.Fn fmaxl , 874f82cb46SDavid Schultz.Fn fmin , 884f82cb46SDavid Schultz.Fn fminf , 894f82cb46SDavid Schultzand 904f82cb46SDavid Schultz.Fn fminl 914f82cb46SDavid Schultzfunctions conform to 924f82cb46SDavid Schultz.St -isoC-99 . 934f82cb46SDavid Schultz.Sh HISTORY 944f82cb46SDavid SchultzThese routines first appeared in 954f82cb46SDavid Schultz.Fx 5.3 . 96