_chgsign
Visual Studio .NET 2003
Reverses the sign of a double-precision, floating-point argument.
double _chgsign( double x );
Parameter
- x
- Double-precision, floating-point value to be changed.
Return Value
_chgsign returns a value equal to its double-precision, floating-point argument x, but with its sign reversed. There is no error return.
Requirements
| Routine | Required header | Compatibility |
|---|---|---|
| _chgsign | <float.h> | Win 98, Win Me, Win NT, Win 2000, Win XP |
For additional compatibility information, see Compatibility in the Introduction.
Libraries
All versions of the C run-time libraries.
See Also
Floating-Point Support Routines | fabs | _copysign | Run-Time Routines and .NET Framework Equivalents
