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'\" t
.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
.\" <mtk.manpages@gmail.com>
.\"
.\" SPDX-License-Identifier: GPL-1.0-or-later
.\"
.TH fmin 3 2024-05-02 "Linux man-pages (unreleased)"
.SH NAME
fmin, fminf, fminl \- determine minimum of two floating-point numbers
.SH LIBRARY
Math library
.RI ( libm ", " \-lm )
.SH SYNOPSIS
.nf
.B #include <math.h>
.P
.BI "double fmin(double " x ", double " y );
.BI "float fminf(float " x ", float " y );
.BI "long double fminl(long double " x ", long double " y );
.fi
.P
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
.P
.BR fmin (),
.BR fminf (),
.BR fminl ():
.nf
_ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
.fi
.SH DESCRIPTION
These functions return the lesser value of
.I x
and
.IR y .
.SH RETURN VALUE
These functions return the minimum of
.I x
and
.IR y .
.P
If one argument is a NaN, the other argument is returned.
.P
If both arguments are NaN, a NaN is returned.
.SH ERRORS
No errors occur.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lbx lb lb
l l l.
Interface Attribute Value
T{
.na
.nh
.BR fmin (),
.BR fminf (),
.BR fminl ()
T} Thread safety MT-Safe
.TE
.SH STANDARDS
C11, POSIX.1-2008.
.SH HISTORY
glibc 2.1.
C99, POSIX.1-2001.
.SH SEE ALSO
.BR fdim (3),
.BR fmax (3)
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