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   fmaxf.3p    ( 3 )

номера точек (point numbers)

Пролог (Prolog)

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.


Имя (Name)

fmax, fmaxf, fmaxl — determine maximum numeric value of two floating-point numbers


Синопсис (Synopsis)

#include <math.h>

double fmax(double x, double y); float fmaxf(float x, float y); long double fmaxl(long double x, long double y);


Описание (Description)

The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1‐2017 defers to the ISO C standard.

These functions shall determine the maximum numeric value of their arguments. NaN arguments shall be treated as missing data: if one argument is a NaN and the other numeric, then these functions shall choose the numeric value.


Возвращаемое значение (Return value)

Upon successful completion, these functions shall return the maximum numeric value of their arguments.

If just one argument is a NaN, the other argument shall be returned.

If x and y are NaN, a NaN shall be returned.


Ошибки (Error)

No errors are defined.

The following sections are informative.


Примеры (Examples)

None.

Использование в приложениях (Application usage)

None.


Обоснование (Rationale)

None.


Будущие направления (Future directions)

None.


Смотри также (See also)

fdim(3p), fmin(3p)

The Base Definitions volume of POSIX.1‐2017, math.h(0p)