_copysign, _copysignl
Visual Studio 2010
Returns one value with the sign of another.
double _copysign( double x, double y ); long double _copysignl( long double x, long double y );
_copysign returns its double-precision, floating-point argument x with the same sign as its double-precision, floating-point argument y. _copysignl returns its long double-precision, floating-point argument x with the same sign as its long double-precision, floating-point argument y. There is no error return.
Routine | Required header |
|---|---|
_copysign | <float.h> |
_copysignl | <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.