reinterpret_cast float to uint

[ketmar via Digitalmars-d-learn]

On Sun, 29 Mar 2015 17:33:02 +0000, Namespace wrote:

> On Sunday, 29 March 2015 at 16:29:40 UTC, ketmar wrote:
>> On Sun, 29 Mar 2015 16:00:05 +0000, matovitch wrote:
>>
>>> On Sunday, 29 March 2015 at 14:50:24 UTC, ketmar wrote:
>>>> On Sun, 29 Mar 2015 13:45:10 +0000, matovitch wrote:
>>>>
>>>> you can also use unions.
>>> 
>>> Good idea ! In my case I think it was better to cast, but this could
>>> be helpful another time thanks ! :)
>>
>> unions also looks better than pointers, and they are easier to read, i
>> think. ;-)
>>
>> union FU {
>>   float f;
>>   uint u;
>> }
>>
>> void main () pure {
>>   float t = 42.0; assert((cast(FU)t).u == 0x42280000);
>> }
> 
> AFAIK this would be undefined behaviour in C++, right?

i honestly don't remember. C++ itself is UB. ;-)
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