On 13/11/17 10:38, Mason wrote: > On 09/11/2017 16:46, Vincent Lefevre wrote: > >> Actually, that's mainly a language design bug, which doesn't show >> the error for 460 (which is representable exactly). > > It's not clear to me exactly /what/ you are calling a language design bug? > And in what language? C? IEEE 754?> (AFAIK, C is pretty loose with the floating point spec.) This is C++. The problem is that std::cout << v doesn't print all of the digits in v: ideally, it'd print the minimum number of digits such that reading the number back would result in a double equal to v. -- Andrew Haley Java Platform Lead Engineer Red Hat UK Ltd. <https://www.redhat.com> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
