fabs(), fabsf() floating-point absolute value function	Function
	SYNOPSIS DESCRIPTION PARAMETERS RETURN VALUES CONFORMANCE MULTITHREAD SAFETY LEVEL PORTING ISSUES AVAILABILITY SEE ALSO

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SYNOPSIS

#include <math.h>

double fabs(double x)

float fabsf(float x)

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DESCRIPTION

The fabs() function computes the absolute value of a floating-point number x.

The fabsf() function is a single-precision version of fabs().

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PARAMETERS

x 

Is a floating point value.

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RETURN VALUES

The fabs() function returns the absolute value of x.

If x is NaN, NaN is returned.

If the result underflows, 0 is returned.

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CONFORMANCE

fabs(): ANSI/ISO 9899-1990

fabsf(): PTC MKS Toolkit UNIX APIs extension

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MULTITHREAD SAFETY LEVEL

MT-Safe.

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PORTING ISSUES

None.

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AVAILABILITY

PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition

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SEE ALSO

Functions:

abs(), ceil(), floor(), ieee(), math(), rint()

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PTC MKS Toolkit 10.5 Documentation Build 40.