pub unsafe extern "C" fn mp_rat_decimal_len(
r: mp_rat,
radix: mp_size,
prec: mp_size,
) -> mp_result
Expand description
Reports the length in bytes of the buffer needed to convert r
using the
mp_rat_to_decimal()
function with the specified radix
and prec
. The
buffer size estimate may slightly exceed the actual required capacity.