LDEXP(3) NEWLIB 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.
NEWLIB April 2010 LDEXP(3)