Just to follow up, Chapel now handles this idiom and this specific example.
This is available on github and will be available in 1.13.
Vassily
On 07/23/15 04:23, Russel Winder wrote:
>[....]
> I just tried:
>
> var sum: real = 0.0;
> forall i in 1..n with (+ reduce sum) { sum += 1.0 / (1.0 + ((i - 0.5)
> * delta) ** 2); }
> const pi = 4.0 * delta * sum;
>
> but got the error:
>
> $CHPL_HOME/modules/internal/ChapelRange.chpl:1299: In iterator 'these':
> $CHPL_HOME/modules/internal/ChapelRange.chpl:1322: error: yields
> outside of task constructs in the leader or standalone iterator are not
> supported with reduce intents
>
> Does this mean I am not up to date enough (I am using master from the
> Git repository), or is this not working as yet?
>
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