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Diffstat (limited to 'static/freebsd/man3/fmax.3')
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diff --git a/static/freebsd/man3/fmax.3 b/static/freebsd/man3/fmax.3 new file mode 100644 index 00000000..3b167a0b --- /dev/null +++ b/static/freebsd/man3/fmax.3 @@ -0,0 +1,105 @@ +.\" Copyright (c) 2004 David Schultz <das@FreeBSD.org> +.\" All rights reserved. +.\" +.\" 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 AUTHOR 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 AUTHOR 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 April 11, 2026 +.Dt FMAX 3 +.Os +.Sh NAME +.Nm fmax , +.Nm fmaxf , +.Nm fmaxl , +.Nm fmin , +.Nm fminf , +.Nm fminl +.Nd floating-point maximum and minimum functions +.Sh LIBRARY +.Lb libm +.Sh SYNOPSIS +.In math.h +.Ft double +.Fn fmax "double x" "double y" +.Ft float +.Fn fmaxf "float x" "float y" +.Ft "long double" +.Fn fmaxl "long double x" "long double y" +.Ft double +.Fn fmin "double x" "double y" +.Ft float +.Fn fminf "float x" "float y" +.Ft "long double" +.Fn fminl "long double x" "long double y" +.Sh DESCRIPTION +The +.Fn fmax , +.Fn fmaxf , +and +.Fn fmaxl +functions return the larger of +.Fa x +and +.Fa y , +and likewise, the +.Fn fmin , +.Fn fminf , +and +.Fn fminl +functions return the smaller of +.Fa x +and +.Fa y . +If one argument is an \*(Na, then the other argument is returned. +If both arguments are \*(Nas, then the result is an \*(Na. +These routines do not raise any floating-point exceptions. +.Sh SEE ALSO +.Xr fabs 3 , +.Xr fdim 3 , +.Xr math 3 +.Sh STANDARDS +The +.Fn fmax , +.Fn fmaxf , +.Fn fmaxl , +.Fn fmin , +.Fn fminf , +and +.Fn fminl +functions conform to +.St -isoC-99 . +.Sh CAVEATS +The library implementations of these functions treat +.Li +0.0 +as being larger than +.Li -0.0 . +This behavior is not specified by the C standard, is not portable, +and may not occur in light of compiler optimizations. +Applications requiring specific handling of signed zeroes or +.No \*(Na +values are recommended to use +.Xr fmaximum_num 3 +and +.Xr fminimum_num 3 +instead, which have strictly defined behavior for these cases. +.Sh HISTORY +These routines first appeared in +.Fx 5.3 . |
