writeln double precision

[Arun Chandrasekaran]

On Tuesday, 24 October 2017 at 16:18:03 UTC, H. S. Teoh wrote:
> On Tue, Oct 24, 2017 at 10:02:11AM +0000, Arun Chandrasekaran 
> via Digitalmars-d-learn wrote:
>> On Monday, 23 October 2017 at 18:08:43 UTC, Ali Çehreli wrote:
>> > On 10/23/2017 07:22 AM, Arun Chandrasekaran wrote:
>> > > [...]
>> > The rule is that every expression has a type and 22/7 is int.
>> 
>> Thanks Ali. Is this for backward compatibility with C? 
>> Because, if there is a division, a natural/mathematical (not 
>> programmatic) expectation is to see a a double in the result.
> [...]
>
> I have never seen a programming language in which dividing two 
> integers yields a float or double.  Either numbers default to a 
> floating point type, in which case you begin with floats in the 
> first place, or division is integer division, yielding an 
> integer result.
>
>
> T

I'm not denying that all the programming languages does it this 
way (even if it is a cause of related bugs).
I'm just questioning the reasoning behind why D does it this way 
and if it is for compatibility or if there is any other reasoning 
behind the decision.

Arun