2020-02-21 13:54:39 +00:00
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let interpolate =
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(xMin: float, xMax: float, yMin: float, yMax: float, xIntended: float)
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: float => {
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let minProportion = (xMax -. xIntended) /. (xMax -. xMin);
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let maxProportion = (xIntended -. xMin) /. (xMax -. xMin);
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yMin *. minProportion +. yMax *. maxProportion;
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};
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2020-02-21 14:05:42 +00:00
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/* https://bucklescript.github.io/bucklescript/api/Belt.html */
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let sum = Belt.Array.reduce(_, 0., (i, j) => i +. j);
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let mean = a => sum(a) /. (Array.length(a) |> float_of_int);
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let min = Belt.Array.reduce(_, 0., (i, j) => i < j ? i : j);
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let max = Belt.Array.reduce(_, 0., (i, j) => i > j ? i : j);
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