1.\" Copyright (c) 2004 David Schultz <das@FreeBSD.org> 2.\" Copyright (c) 2026 Jesús Blázquez <jesuscblazquez@gmail.com> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd April 4, 2026 27.Dt FMAXIMUM 3 28.Os 29.Sh NAME 30.Nm fmaximum , 31.Nm fmaximumf , 32.Nm fmaximuml , 33.Nm fminimum , 34.Nm fminimumf , 35.Nm fminimuml 36.Nd floating-point maximum and minimum functions 37.Sh LIBRARY 38.Lb libm 39.Sh SYNOPSIS 40.In math.h 41.Ft double 42.Fn fmaximum "double x" "double y" 43.Ft float 44.Fn fmaximumf "float x" "float y" 45.Ft "long double" 46.Fn fmaximuml "long double x" "long double y" 47.Ft double 48.Fn fminimum "double x" "double y" 49.Ft float 50.Fn fminimumf "float x" "float y" 51.Ft "long double" 52.Fn fminimuml "long double x" "long double y" 53.Sh DESCRIPTION 54The 55.Fn fmaximum , 56.Fn fmaximumf , 57and 58.Fn fmaximuml 59functions return the larger of 60.Fa x 61and 62.Fa y , 63and likewise, the 64.Fn fminimum , 65.Fn fminimumf , 66and 67.Fn fminimuml 68functions return the smaller of 69.Fa x 70and 71.Fa y . 72They treat 73.Li +0.0 74as being larger than 75.Li -0.0 . 76.Pp 77Unlike the 78.Xr fmax 3 79family of functions, which ignore an \*(Na, if either argument to 80.Fn fmaximum 81or 82.Fn fminimum 83is an \*(Na, then the result is an \*(Na. 84These routines do not raise any floating-point exceptions. 85.Sh SEE ALSO 86.Xr fmax 3 , 87.Xr fmaximum_num 3 , 88.Xr fmaximum_mag 3 , 89.Xr math 3 90.Sh STANDARDS 91The 92.Fn fmaximum , 93.Fn fmaximumf , 94.Fn fmaximuml , 95.Fn fminimum , 96.Fn fminimumf , 97and 98.Fn fminimuml 99functions conform to 100.St -isoC-2023 . 101.Sh HISTORY 102These routines first appeared in 103.Fx 16.0 . 104