Floating point precision with writeln

[Maynard Kaiser]

Thanks a lot! That helped.

On Saturday, 1 June 2024 at 10:49:10 UTC, Serg Gini wrote:
> On Saturday, 1 June 2024 at 10:44:50 UTC, Maynard Kaiser wrote:
>> Top o' the day, folks!
>>
>> I'm working with floats, doubles to be precise. Whenever I 
>> write them to the console, the maximum precision I get is 5 
>> digits after after the separator.
>> If I wanted to have 8 or 9 digits after the separator, what 
>> would I have to do?
>
> ```d
> import std;
> void main()
> {
>     writefln("%1.14f", std.math.PI);
> }
> ```