LDEXP(3)

NAME
1.32 `ldexp', `ldexpf'--load exponent

SYNOPSIS
     #include <math.h>
     double ldexp(double VAL, int EXP);
     float ldexpf(float VAL, int EXP);

DESCRIPTION
`ldexp' calculates the value VAL times 2 to the power EXP. `ldexpf' is identical, save that it takes and returns `float' rather than `double' values.

RETURNS
`ldexp' returns the calculated value.
   Underflow and overflow both set `errno' to `ERANGE'. On underflow, `ldexp' and `ldexpf' return 0.0. On overflow, `ldexp' returns plus or minus `HUGE_VAL'.

PORTABILITY
`ldexp' is ANSI. `ldexpf' is an extension.

SEE ALSO
ldexp is part of the library. The full documentation for is maintained as a Texinfo manual. If info and are properly installed at your site, the command

    info

will give you access to the complete manual.