double
     scalbn(double x, int n);

     long double
     scalbnl(long double x, int n);

     float
     scalbnf(float x, int n);

     double
     scalbln(double x, long int n);

     long double
     scalblnl(long double x, long int n);

     float
     scalblnf(float x, long int n);

DESCRIPTION

     The scalbn() , and scalbln() functions return x*(2**n) computed by expo-
     nent manipulation.

SPECIAL VALUES

     scalbn(+-0, n) returns +-0.

     scalbn(x, 0) returns x.

     scalbn(+-infinity, n) returns +-infinity.

     scalbln() has the same special values.

SEE ALSO

     math(3), ldexp(3)

STANDARDS

     The scalbn() , and scalbln() functions conform to ISO/IEC 9899:1999(E).

BSD                              July 23, 2003                             BSD