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_finite 

Determines whether the given double-precision floating-point value is finite.


int _finite( 
   double x 
);

Parameters

x

Double-precision floating-point value.

_finite returns a nonzero value if its argument x is not infinite; that is, if –INF < x < +INF. It returns 0 if the argument is infinite or a NAN.

Function Required header Compatibility

_finite

<float.h>

Windows 95, Windows 98, Windows 98 Second Edition, Windows Millennium Edition, Windows NT 4.0, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003

For more compatibility information, see Compatibility in the Introduction.

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