_scalb
Visual Studio 2008
Scales argument by a power of 2.
double _scalb( double x, long exp );
Returns an exponential value if successful. On overflow (depending on the sign of x), _scalb returns +/– HUGE_VAL; the errno variable is set to ERANGE.
For more information about this and other return codes, see _doserrno, errno, _sys_errlist, and _sys_nerr.
Routine | Required header |
|---|---|
_scalb | <float.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.
