fabs(3M) Mathematical Library Functions fabs(3M)NAME
fabs, fabsf, fabsl - absolute value function
SYNOPSIS
c99 [ flag... ] file... -lm [ library... ]
#include <math.h>
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 absolute 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.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO isnan(3M), math.h(3HEAD), attributes(5), standards(5)SunOS 5.11 12 Jul 2006 fabs(3M)
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fabs(3M) Mathematical Library Functions fabs(3M)NAME
fabs, fabsf, fabsl - absolute value function
SYNOPSIS
cc [ flag... ] file... -lm [ library... ]
#include <math.h>
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 absolute 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.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO isnan(3M), math.h(3HEAD), attributes(5), standards(5)SunOS 5.10 1 Sep 2002 fabs(3M)
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