Bug Of pow in std.math
Simen kjaeraas
simen.kjaras at gmail.com
Thu Jul 1 01:55:59 PDT 2010
sins666 <d-bugmail at puremagic.com> wrote:
> import std.math;
> import std.stdio;
>
> void main()
> {
> writeln(pow(5, 2)); // 25
> writeln(pow(5, 0)); // 1
> writeln(pow(5, -3)); // object.Error: Integer Divide by Zero
> }
>
> And dmd version is 2.047.
> Was I mistake in my source.or bug?
The mistake is in your code. std.math.pow has a version that takes
only integers, and returns only integers. That is the version you
are using.
If instead you try:
writeln(pow(5.0, -3.0));
You should see improvement.
--
Simen
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