Created
October 27, 2020 10:38
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| -- Summarises an n-element input in k bins, with each of the k bins | |
| -- containing the maximum of the input in that span. | |
| let main [n] (k: i64) (samples: [n]i32) = | |
| let bin_size = f32.i64 n / f32.i64 k | |
| let index i = i64.f32 (f32.i64 i / bin_size) | |
| in reduce_by_index (replicate k 0) i32.max i32.highest | |
| (map index (iota n)) samples |
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