Is there any implementation in phobos of something similar to BigInt but for non-integers as well? If there isn't is there a dub package that does this, and if so, which one?
Also you could find usefull such projects:
http://mir-algorithm.libmir.org/mir_bignum_decimal.html https://github.com/huntlabs/hunt-extra/blob/2d286f939193fc0cd55c799906f7657cec502dc8/source/hunt/math/BigDecimal.d