centos man page for fdiml

Query: fdiml

OS: centos

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

FDIM(3) 						     Linux Programmer's Manual							   FDIM(3)

NAME
fdim, fdimf, fdiml - positive difference
SYNOPSIS
#include <math.h> double fdim(double x, double y); float fdimf(float x, float y); long double fdiml(long double x, long double y); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): fdimf(), fdiml(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L; or cc -std=c99
DESCRIPTION
These functions return the positive difference, max(x-y,0), between their arguments.
RETURN VALUE
On success, these functions return the positive difference. If x or y is a NaN, a NaN is returned. If the result overflows, a range error occurs, and the functions return HUGE_VAL, HUGE_VALF, or HUGE_VALL, respectively.
ERRORS
See math_error(7) for information on how to determine whether an error has occurred when calling these functions. The following errors can occur: Range error: result overflow An overflow floating-point exception (FE_OVERFLOW) is raised. These functions do not set errno.
VERSIONS
These functions first appeared in glibc in version 2.1.
ATTRIBUTES
Multithreading (see pthreads(7)) The fdim(), fdimf(), and fdiml() functions are thread-safe.
CONFORMING TO
C99, POSIX.1-2001.
SEE ALSO
fmax(3)
COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. 2013-07-15 FDIM(3)
Related Man Pages
fdiml(3) - linux
fdimf(3) - debian
fdiml(3) - centos
fdimf(3) - centos
fdiml(3m) - opensolaris
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