finite(), finitef() determine if value is finite	Function
	SYNOPSIS DESCRIPTION PARAMETERS RETURN VALUES CONFORMANCE MULTITHREAD SAFETY LEVEL PORTING ISSUES AVAILABILITY SEE ALSO

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SYNOPSIS

#include <math.h>

int finite(double x)

int finitef(float x)

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DESCRIPTION

The finite() function determines if an argument is finite.

The finitef() function is a single-precision version of finite().

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PARAMETERS

x 

Is the value to test.

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RETURN VALUES

The finite() function returns 1 when -Infinity<x<+Infinity, otherwise 0 is returned (that is when |x|=Infinity or x is NaN).

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CONFORMANCE

4.4BSD.

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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:

isinf(), isnan()

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PTC MKS Toolkit 10.5 Documentation Build 40.