_chgsign, _chgsignl
Visual Studio 2010
Reverses the sign of a double-precision, floating-point or a long double-precision, floating-point argument.
double _chgsign( double x ); long double _chgsignl( long double x );
Routine | Required header |
|---|---|
_chgsign | <float.h> |
_chgsignl | <math.h> |
For more compatibility information, see Compatibility in the Introduction.
Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.