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Returns next representable neighbor.
double_nextafter(doublex**,doubley);**
| Routine | Required Header | Compatibility |
| _nextafter | <float.h> | Win 95, Win NT |
For additional compatibility information, see Compatibility in the Introduction.
Libraries
| LIBC.LIB | Single thread static library, retail version |
| LIBCMT.LIB | Multithread static library, retail version |
| MSVCRT.LIB | Import library for MSVCRT.DLL, retail version |
Return Value
If x=y, _nextafter returns x, with no exception triggered. If either x or y is a quiet NaN, then the return value is one or the other of the input NaNs.
Parameters
x, y
Double-precision floating-point values
Remarks
The _nextafter function returns the closest representable neighbor of x in the direction toward y.
Floating-Point Support Routines
See Also _isnan