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fmin(3) — Linux manual page

NAME \|LIBRARY \|SYNOPSIS \|DESCRIPTION \|RETURN VALUE \|ERRORS \|ATTRIBUTES \|STANDARDS \|HISTORY \|SEE ALSO \|COLOPHON

fmin(3)                  Library Functions Manualfmin(3)

NAME top

       fmin, fminf, fminl - determine minimum of two floating-point       numbers

LIBRARY top

       Math library (libm,-lm)

SYNOPSIS top

#include <math.h>double fmin(doublex, doubley);float fminf(floatx, floaty);long double fminl(long doublex, long doubley);   Feature Test Macro Requirements for glibc (seefeature_test_macros(7)):fmin(),fminf(),fminl():           _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L

DESCRIPTION top

       These functions return the lesser value ofx andy.

RETURN VALUE top

       These functions return the minimum ofx andy.       If one argument is a NaN, the other argument is returned.       If both arguments are NaN, a NaN is returned.

ERRORS top

       No errors occur.

ATTRIBUTES top

       For an explanation of the terms used in this section, seeattributes(7).       ┌──────────────────────────────────────┬───────────────┬─────────┐       │Interface│Attribute│Value│       ├──────────────────────────────────────┼───────────────┼─────────┤       │fmin(),fminf(),fminl()             │ Thread safety │ MT-Safe │       └──────────────────────────────────────┴───────────────┴─────────┘

STANDARDS top

       C11, POSIX.1-2008.

HISTORY top

       glibc 2.1.  C99, POSIX.1-2001.

COLOPHON top

       This page is part of theman-pages (Linux kernel and C library       user-space interface documentation) project.  Information about       the project can be found at        ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report       for this manual page, see       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.       This page was obtained from the tarball man-pages-6.15.tar.gz       fetched from       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on       2025-08-11.  If you discover any rendering problems in this HTML       version of the page, or you believe there is a better or more up-       to-date source for the page, or you have corrections or       improvements to the information in this COLOPHON (which isnot       part of the original manual page), send a mail to       man-pages@man7.orgLinux man-pages 6.15            2025-05-17fmin(3)

Pages that refer to this page:fmax(3), MAX(3)

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