ldexp

ldexp, ldexpf, ldexpl

Defined in header <math.h>
float       ldexpf( float arg, int exp );
(1) (since C99)
double      ldexp( double arg, int exp );
(2)
long double ldexpl( long double arg, int exp );
(3) (since C99)
Defined in header <tgmath.h>
#define ldexp( arg, exp )
(