On 3 February 2015 at 15:02, Andrea Faulds <a...@ajf.me> wrote: > Why would it be promoted?! The high bit is the 63rd bit. It fits within a > long. >
I'm assuming your bigint implementation would want to respect signage. When does it promote? 63rd to preserve signage? 4611686018427387904 // 1 << 62 - int 9223372036854775808 // 1 << 63 - bigint 18446744073709551616 // 1 << 64 - bigint Or 64th to for complete madness? 4611686018427387904 // 1 << 62 - int -9223372036854775808 // 1 << 63 - int 18446744073709551616 // 1 << 64 - bigint -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
