Mathematical Library Functions fabs(3M)
NAME
fabs, fabsf, fabsl - absolute value function
SYNOPSIS
c99 [ flag... ] file... -lm [ library... ]
#include
double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
DESCRIPTION
These functions compute the absolute value of x, x.
RETURN VALUES
Upon successful completion, these functions return the abso-
lute value of x.
If x is NaN, a NaN is returned.
If x is ]0, ]0 is returned.
If x is ]Inf, ]Inf is returned.
ERORS
No errors are defined.
ATRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
SunOS 5.11 Last change: 12 Jul 2006 1
Mathematical Library Functions fabs(3M)
ATRIBUTE TYPE ATRIBUTE VALUE
Interface Stability Standard
MT-Level MT-Safe
SEE ALSO
isnan(3M), math.h(3HEAD), attributes(5), standards(5)
SunOS 5.11 Last change: 12 Jul 2006 2
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