Microsoft Specific
Checks the Not a Thing (NaT) bit in the register specified, indicating that the register does not contain a valid number.
int isNat(
int Register
);
Parameters
- [in] Register
The register to examine.
Return Value
0, if the register's NaT bit is 1.
Nonzero, if the register NaT bit is zero.
Requirements
Intrinsic |
Architecture |
|---|---|
__isNat |
IPF |
Header file <intrin.h>
Remarks
The IPF instruction generated is tnat.nz.
This routine is only available as an intrinsic.