mirror of https://github.com/mkerrisk/man-pages
76 lines
1.5 KiB
Groff
76 lines
1.5 KiB
Groff
.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
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.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
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.\" <mtk.manpages@gmail.com>
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.\"
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.\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
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.\" Distributed under GPL
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.\" %%%LICENSE_END
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.\"
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.TH FMIN 3 2021-03-22 "" "Linux Programmer's Manual"
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.SH NAME
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fmin, fminf, fminl \- determine minimum of two floating-point numbers
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.SH SYNOPSIS
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.nf
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.B #include <math.h>
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.PP
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.BI "double fmin(double " x ", double " y );
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.BI "float fminf(float " x ", float " y );
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.BI "long double fminl(long double " x ", long double " y );
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.fi
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.PP
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Link with \fI\-lm\fP.
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.PP
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.RS -4
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Feature Test Macro Requirements for glibc (see
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.BR feature_test_macros (7)):
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.RE
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.PP
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.BR fmin (),
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.BR fminf (),
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.BR fminl ():
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.nf
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_ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
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.fi
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.SH DESCRIPTION
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These functions return the lesser value of
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.I x
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and
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.IR y .
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.SH RETURN VALUE
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These functions return the minimum of
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.I x
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and
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.IR y .
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.PP
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If one argument is a NaN, the other argument is returned.
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.PP
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If both arguments are NaN, a NaN is returned.
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.SH ERRORS
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No errors occur.
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.SH VERSIONS
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These functions first appeared in glibc in version 2.1.
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.SH ATTRIBUTES
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For an explanation of the terms used in this section, see
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.BR attributes (7).
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.ad l
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.nh
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.TS
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allbox;
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lbx lb lb
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l l l.
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Interface Attribute Value
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T{
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.BR fmin (),
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.BR fminf (),
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.BR fminl ()
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T} Thread safety MT-Safe
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.TE
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.hy
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.ad
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.sp 1
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.SH CONFORMING TO
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C99, POSIX.1-2001, POSIX.1-2008.
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.SH SEE ALSO
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.BR fdim (3),
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.BR fmax (3)
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