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Use built-in sum instead of writing our own ad-hoc version #738

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merged 3 commits into from
Dec 14, 2024

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matthiasgoergens
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@matthiasgoergens matthiasgoergens commented Dec 12, 2024

Extracted from #736 for ease of review.

self[1..]
.iter()
.fold(self[0].double(), |acc, coeff| acc + coeff)
self[0] + self[..].iter().sum::<E>()
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@matthiasgoergens matthiasgoergens Dec 12, 2024

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Doubling the first element is a bit weird. But the tests seem to expect it. What's the reason for it?

@yczhangsjtu I think you wrote that code? Could you please enlighten me? (I'll probably make a documenting comment out of your answer later.) Thanks!

@matthiasgoergens matthiasgoergens changed the title Use sum instead of writing our own Use built-in sum instead of writing our own ad-hoc version Dec 12, 2024
@matthiasgoergens matthiasgoergens added this pull request to the merge queue Dec 14, 2024
Merged via the queue into master with commit 74bb962 Dec 14, 2024
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@matthiasgoergens matthiasgoergens deleted the mathias/use-sum branch December 14, 2024 10:28
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2 participants