http://niceboat.i2p/%E5%90%84%E7%A7%8D%E7%8E%A9%E6%84%8F/%E7%A8%8B%E5%BA%8F/logisic_map_enc
. // The values below could be defined in the impl block as MAX and ONE. // But I'm too lazy. // r = a value that is close to 4. const R : U2F62 = U2F62 :: from_be_bytes ([ 255_ u8 ; 8 ]); // one = 1, from_num is accurate here! // But in order to use const, we have to convert from bytes. const ONE : U2F62 = U2F62 :: from_be_bytes ([ 64 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ]); // Controls how many bytes are read once. // 1024 * 100 seems to perform better than 1024 * 1024, though...