Fixed for up to 200+ digits: mpf() does not use default prec, so use mpf_init.
Fixed for up to 200+ digits: mpf() does not use default prec, so use mpf_init.

jtobey/javascript-bignum,jtobey/javascript-bignum,jtobey/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,angeni8/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,jtobey/javascript-bignum,angeni8/javascript-bignum,angeni8/javascript-bignum,angeni8/javascript-bignum