fdim, fdimf, fdiml — positive difference
#include <math.h>
double fdim( |
double x, |
double y); |
float fdimf( |
float x, |
float y); |
long double fdiml( |
long double x, |
long double y); |
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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.
See math_error(7) for information on how to determine whether an error has occurred when calling these functions.
The following errors can occur:
An overflow floating-point exception (FE_OVERFLOW) is raised.
These functions do not set errno.
This page is part of release 3.27 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/.
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Copyright 2003 Walter Harms, Andries Brouwer and Copyright 2008, Linux Foundation, written by Michael Kerrisk <mtk.manpagesgmail.com> Distributed under GPL. |