ref: d23c60584d6385df973b631a2e923b94831d4c2b
parent: 5f7e25a9bad219f817a61e2160a6207d41b038c4
author: lieff <lieff@users.noreply.github.com>
date: Mon Feb 12 07:44:07 EST 2018
reduce code size, add MINIMP3_NONSTANDARD_BUT_LOGICAL, more robust L3_ldexp_q2