6 lines
218 B
JavaScript
6 lines
218 B
JavaScript
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export default function cumsum(values, valueof) {
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var sum = 0, index = 0;
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return Float64Array.from(values, valueof === undefined
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? v => (sum += +v || 0)
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: v => (sum += +valueof(v, index++, values) || 0));
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}
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