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FABS
Section: Linux Programmer's Manual (3)
Updated: 2001-06-07
Index
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NAME
fabs, fabsf, fabsl - absolute value of floating-point number
SYNOPSIS
#include <math.h>
double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
Link with -lm.
DESCRIPTION
The
fabs()
functions return the absolute value of the floating-point
number x.
ERRORS
No errors can occur.
CONFORMING TO
The
fabs()
function conforms to SVr4, POSIX.1-2001, 4.3BSD, C89.
The other functions are from C99.
SEE ALSO
abs(3),
cabs(3),
ceil(3),
floor(3),
labs(3),
rint(3)
COLOPHON
This page is part of release 3.05 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/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- ERRORS
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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