1*f62d826aSJesús Blázquez.\" Copyright (c) 2004 David Schultz <das@FreeBSD.org> 2*f62d826aSJesús Blázquez.\" Copyright (c) 2026 Jesús Blázquez <jesuscblazquez@gmail.com> 3*f62d826aSJesús Blázquez.\" All rights reserved. 4*f62d826aSJesús Blázquez.\" 5*f62d826aSJesús Blázquez.\" Redistribution and use in source and binary forms, with or without 6*f62d826aSJesús Blázquez.\" modification, are permitted provided that the following conditions 7*f62d826aSJesús Blázquez.\" are met: 8*f62d826aSJesús Blázquez.\" 1. Redistributions of source code must retain the above copyright 9*f62d826aSJesús Blázquez.\" notice, this list of conditions and the following disclaimer. 10*f62d826aSJesús Blázquez.\" 2. Redistributions in binary form must reproduce the above copyright 11*f62d826aSJesús Blázquez.\" notice, this list of conditions and the following disclaimer in the 12*f62d826aSJesús Blázquez.\" documentation and/or other materials provided with the distribution. 13*f62d826aSJesús Blázquez.\" 14*f62d826aSJesús Blázquez.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*f62d826aSJesús Blázquez.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*f62d826aSJesús Blázquez.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*f62d826aSJesús Blázquez.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*f62d826aSJesús Blázquez.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*f62d826aSJesús Blázquez.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*f62d826aSJesús Blázquez.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*f62d826aSJesús Blázquez.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*f62d826aSJesús Blázquez.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*f62d826aSJesús Blázquez.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*f62d826aSJesús Blázquez.\" SUCH DAMAGE. 25*f62d826aSJesús Blázquez.Dd April 3, 2026 26*f62d826aSJesús Blázquez.Dt FMAXIMUM_MAG_NUM 3 27*f62d826aSJesús Blázquez.Os 28*f62d826aSJesús Blázquez.Sh NAME 29*f62d826aSJesús Blázquez.Nm fmaximum_mag_num , 30*f62d826aSJesús Blázquez.Nm fmaximum_mag_numf , 31*f62d826aSJesús Blázquez.Nm fmaximum_mag_numl , 32*f62d826aSJesús Blázquez.Nm fminimum_mag_num , 33*f62d826aSJesús Blázquez.Nm fminimum_mag_numf , 34*f62d826aSJesús Blázquez.Nm fminimum_mag_numl 35*f62d826aSJesús Blázquez.Nd floating-point maximum and minimum magnitude number functions 36*f62d826aSJesús Blázquez.Sh LIBRARY 37*f62d826aSJesús Blázquez.Lb libm 38*f62d826aSJesús Blázquez.Sh SYNOPSIS 39*f62d826aSJesús Blázquez.In math.h 40*f62d826aSJesús Blázquez.Ft double 41*f62d826aSJesús Blázquez.Fn fmaximum_mag_num "double x" "double y" 42*f62d826aSJesús Blázquez.Ft float 43*f62d826aSJesús Blázquez.Fn fmaximum_mag_numf "float x" "float y" 44*f62d826aSJesús Blázquez.Ft "long double" 45*f62d826aSJesús Blázquez.Fn fmaximum_mag_numl "long double x" "long double y" 46*f62d826aSJesús Blázquez.Ft double 47*f62d826aSJesús Blázquez.Fn fminimum_mag_num "double x" "double y" 48*f62d826aSJesús Blázquez.Ft float 49*f62d826aSJesús Blázquez.Fn fminimum_mag_numf "float x" "float y" 50*f62d826aSJesús Blázquez.Ft "long double" 51*f62d826aSJesús Blázquez.Fn fminimum_mag_numl "long double x" "long double y" 52*f62d826aSJesús Blázquez.Sh DESCRIPTION 53*f62d826aSJesús BlázquezThe 54*f62d826aSJesús Blázquez.Fn fmaximum_mag_num , 55*f62d826aSJesús Blázquez.Fn fmaximum_mag_numf , 56*f62d826aSJesús Blázquezand 57*f62d826aSJesús Blázquez.Fn fmaximum_mag_numl 58*f62d826aSJesús Blázquezfunctions determine the larger of the absolute values of 59*f62d826aSJesús Blázquez.Fa x 60*f62d826aSJesús Blázquezand 61*f62d826aSJesús Blázquez.Fa y , 62*f62d826aSJesús Blázquezand return the argument with the larger absolute value, 63*f62d826aSJesús Blázquezpreferring a numeric value over an \*(Na. 64*f62d826aSJesús BlázquezIf one argument is a numeric value and the other is an \*(Na, 65*f62d826aSJesús Blázquezthe numeric value is returned. 66*f62d826aSJesús BlázquezIf the absolute values are equal, the behavior is equivalent to calling the corresponding 67*f62d826aSJesús Blázquez.Fn fmaximum_num 68*f62d826aSJesús Blázquezfunction on the arguments. 69*f62d826aSJesús Blázquez.Pp 70*f62d826aSJesús BlázquezLikewise, the 71*f62d826aSJesús Blázquez.Fn fminimum_mag_num , 72*f62d826aSJesús Blázquez.Fn fminimum_mag_numf , 73*f62d826aSJesús Blázquezand 74*f62d826aSJesús Blázquez.Fn fminimum_mag_numl 75*f62d826aSJesús Blázquezfunctions determine the smaller of the absolute values of 76*f62d826aSJesús Blázquez.Fa x 77*f62d826aSJesús Blázquezand 78*f62d826aSJesús Blázquez.Fa y , 79*f62d826aSJesús Blázquezand return the argument with the smaller absolute value, 80*f62d826aSJesús Blázquezpreferring a numeric value over an \*(Na. 81*f62d826aSJesús BlázquezIf one argument is a numeric value and the other is an \*(Na, 82*f62d826aSJesús Blázquezthe numeric value is returned. 83*f62d826aSJesús BlázquezIf the absolute values are equal, the behavior is equivalent to calling the corresponding 84*f62d826aSJesús Blázquez.Fn fminimum_num 85*f62d826aSJesús Blázquezfunction on the arguments. 86*f62d826aSJesús Blázquez.Pp 87*f62d826aSJesús BlázquezIf both arguments are \*(Nas, a quiet \*(Na is returned. 88*f62d826aSJesús BlázquezIf either argument is a signaling \*(Na, an invalid exception is raised. 89*f62d826aSJesús BlázquezOtherwise, these routines do not raise any floating-point exceptions. 90*f62d826aSJesús Blázquez.Sh SEE ALSO 91*f62d826aSJesús Blázquez.Xr fmax 3 , 92*f62d826aSJesús Blázquez.Xr fmaximum 3 , 93*f62d826aSJesús Blázquez.Xr fmaximum_mag 3 , 94*f62d826aSJesús Blázquez.Xr fmaximum_num 3 , 95*f62d826aSJesús Blázquez.Xr math 3 96*f62d826aSJesús Blázquez.Sh STANDARDS 97*f62d826aSJesús BlázquezThe 98*f62d826aSJesús Blázquez.Fn fmaximum_mag_num , 99*f62d826aSJesús Blázquez.Fn fmaximum_mag_numf , 100*f62d826aSJesús Blázquez.Fn fmaximum_mag_numl , 101*f62d826aSJesús Blázquez.Fn fminimum_mag_num , 102*f62d826aSJesús Blázquez.Fn fminimum_mag_numf , 103*f62d826aSJesús Blázquezand 104*f62d826aSJesús Blázquez.Fn fminimum_mag_numl 105*f62d826aSJesús Blázquezfunctions conform to 106*f62d826aSJesús Blázquez.St -isoC-2023 . 107*f62d826aSJesús Blázquez.Sh HISTORY 108*f62d826aSJesús BlázquezThese routines first appeared in 109*f62d826aSJesús Blázquez.Fx 16.0 ..\" 110