In floating point value comparison, +0.0 is equal to -0.0.
auto x = +0.0;
auto y = -0.0;
assert(x == y);
Kenji Hara
2013/4/23 Mehrdad <wfunct...@hotmail.com>
> On Tuesday, 23 April 2013 at 04:33:24 UTC, Chris Cain wrote:
>
>> On Tuesday, 23 April 2013 at 04:27:45 UTC, Mehrdad wrote:
>>
>>> ?!??!
>>>
>>
>> opEquals by default is simply a bit-level value check.
>>
>
>
>
> In fact, it's _doubly_ broken...
>
> import std.stdio;
> struct S { float d; }
> void main()
> {
> writeln(+0.0);
> writeln(-0.0);
> writeln(S(+0.0) == S(-0.0));
> }
>
>
> Output:
> 0
> -0
> true
>
