Accuracy of floating point calculations

Daniel Kozak kozzi11 at gmail.com
Tue Oct 29 16:11:45 UTC 2019


On Tue, Oct 29, 2019 at 5:09 PM Daniel Kozak <kozzi11 at gmail.com> wrote:
>
>
> If you use gdc or ldc you will get same results as c++, or you can use
> C log directly:
>
> import std.stdio;
> import std.math : pow;
> import core.stdc.math;
>
> void main()
> {
>      writefln("%12.3F",log(1-0.9999)/log(1-(1-0.6)^^20));
> }

AFAIK dmd use real  for floating point operations instead of double


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