_finite

Visual Studio 2008

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

```int _finite(
double x
);
```

Parameters

x

Double-precision floating-point value.

Return 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.

Requirements

Function

_finite

<float.h>

For more compatibility information, see Compatibility in the Introduction.