1456 lines
39 KiB
JavaScript
1456 lines
39 KiB
JavaScript
// https://d3js.org/d3-array/ v3.2.4 Copyright 2010-2023 Mike Bostock
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
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typeof define === 'function' && define.amd ? define(['exports'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {}));
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})(this, (function (exports) { 'use strict';
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function ascending(a, b) {
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return a == null || b == null ? NaN : a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
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}
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function descending(a, b) {
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return a == null || b == null ? NaN
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: b < a ? -1
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: b > a ? 1
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: b >= a ? 0
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: NaN;
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}
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function bisector(f) {
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let compare1, compare2, delta;
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// If an accessor is specified, promote it to a comparator. In this case we
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// can test whether the search value is (self-) comparable. We can’t do this
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// for a comparator (except for specific, known comparators) because we can’t
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// tell if the comparator is symmetric, and an asymmetric comparator can’t be
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// used to test whether a single value is comparable.
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if (f.length !== 2) {
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compare1 = ascending;
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compare2 = (d, x) => ascending(f(d), x);
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delta = (d, x) => f(d) - x;
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} else {
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compare1 = f === ascending || f === descending ? f : zero;
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compare2 = f;
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delta = f;
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}
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function left(a, x, lo = 0, hi = a.length) {
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if (lo < hi) {
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if (compare1(x, x) !== 0) return hi;
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do {
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const mid = (lo + hi) >>> 1;
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if (compare2(a[mid], x) < 0) lo = mid + 1;
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else hi = mid;
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} while (lo < hi);
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}
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return lo;
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}
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function right(a, x, lo = 0, hi = a.length) {
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if (lo < hi) {
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if (compare1(x, x) !== 0) return hi;
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do {
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const mid = (lo + hi) >>> 1;
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if (compare2(a[mid], x) <= 0) lo = mid + 1;
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else hi = mid;
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} while (lo < hi);
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}
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return lo;
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}
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function center(a, x, lo = 0, hi = a.length) {
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const i = left(a, x, lo, hi - 1);
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return i > lo && delta(a[i - 1], x) > -delta(a[i], x) ? i - 1 : i;
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}
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return {left, center, right};
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}
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function zero() {
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return 0;
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}
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function number(x) {
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return x === null ? NaN : +x;
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}
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function* numbers(values, valueof) {
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if (valueof === undefined) {
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for (let value of values) {
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if (value != null && (value = +value) >= value) {
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yield value;
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}
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}
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} else {
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let index = -1;
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for (let value of values) {
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if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
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yield value;
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}
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}
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}
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}
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const ascendingBisect = bisector(ascending);
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const bisectRight = ascendingBisect.right;
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const bisectLeft = ascendingBisect.left;
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const bisectCenter = bisector(number).center;
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var bisect = bisectRight;
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function blur(values, r) {
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if (!((r = +r) >= 0)) throw new RangeError("invalid r");
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let length = values.length;
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if (!((length = Math.floor(length)) >= 0)) throw new RangeError("invalid length");
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if (!length || !r) return values;
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const blur = blurf(r);
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const temp = values.slice();
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blur(values, temp, 0, length, 1);
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blur(temp, values, 0, length, 1);
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blur(values, temp, 0, length, 1);
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return values;
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}
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const blur2 = Blur2(blurf);
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const blurImage = Blur2(blurfImage);
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function Blur2(blur) {
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return function(data, rx, ry = rx) {
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if (!((rx = +rx) >= 0)) throw new RangeError("invalid rx");
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if (!((ry = +ry) >= 0)) throw new RangeError("invalid ry");
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let {data: values, width, height} = data;
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if (!((width = Math.floor(width)) >= 0)) throw new RangeError("invalid width");
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if (!((height = Math.floor(height !== undefined ? height : values.length / width)) >= 0)) throw new RangeError("invalid height");
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if (!width || !height || (!rx && !ry)) return data;
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const blurx = rx && blur(rx);
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const blury = ry && blur(ry);
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const temp = values.slice();
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if (blurx && blury) {
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blurh(blurx, temp, values, width, height);
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blurh(blurx, values, temp, width, height);
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blurh(blurx, temp, values, width, height);
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blurv(blury, values, temp, width, height);
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blurv(blury, temp, values, width, height);
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blurv(blury, values, temp, width, height);
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} else if (blurx) {
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blurh(blurx, values, temp, width, height);
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blurh(blurx, temp, values, width, height);
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blurh(blurx, values, temp, width, height);
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} else if (blury) {
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blurv(blury, values, temp, width, height);
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blurv(blury, temp, values, width, height);
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blurv(blury, values, temp, width, height);
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}
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return data;
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};
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}
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function blurh(blur, T, S, w, h) {
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for (let y = 0, n = w * h; y < n;) {
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blur(T, S, y, y += w, 1);
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}
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}
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function blurv(blur, T, S, w, h) {
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for (let x = 0, n = w * h; x < w; ++x) {
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blur(T, S, x, x + n, w);
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}
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}
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function blurfImage(radius) {
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const blur = blurf(radius);
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return (T, S, start, stop, step) => {
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start <<= 2, stop <<= 2, step <<= 2;
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blur(T, S, start + 0, stop + 0, step);
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blur(T, S, start + 1, stop + 1, step);
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blur(T, S, start + 2, stop + 2, step);
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blur(T, S, start + 3, stop + 3, step);
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};
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}
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// Given a target array T, a source array S, sets each value T[i] to the average
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// of {S[i - r], …, S[i], …, S[i + r]}, where r = ⌊radius⌋, start <= i < stop,
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// for each i, i + step, i + 2 * step, etc., and where S[j] is clamped between
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// S[start] (inclusive) and S[stop] (exclusive). If the given radius is not an
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// integer, S[i - r - 1] and S[i + r + 1] are added to the sum, each weighted
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// according to r - ⌊radius⌋.
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function blurf(radius) {
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const radius0 = Math.floor(radius);
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if (radius0 === radius) return bluri(radius);
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const t = radius - radius0;
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const w = 2 * radius + 1;
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return (T, S, start, stop, step) => { // stop must be aligned!
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if (!((stop -= step) >= start)) return; // inclusive stop
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let sum = radius0 * S[start];
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const s0 = step * radius0;
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const s1 = s0 + step;
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for (let i = start, j = start + s0; i < j; i += step) {
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sum += S[Math.min(stop, i)];
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}
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for (let i = start, j = stop; i <= j; i += step) {
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sum += S[Math.min(stop, i + s0)];
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T[i] = (sum + t * (S[Math.max(start, i - s1)] + S[Math.min(stop, i + s1)])) / w;
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sum -= S[Math.max(start, i - s0)];
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}
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};
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}
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// Like blurf, but optimized for integer radius.
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function bluri(radius) {
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const w = 2 * radius + 1;
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return (T, S, start, stop, step) => { // stop must be aligned!
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if (!((stop -= step) >= start)) return; // inclusive stop
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let sum = radius * S[start];
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const s = step * radius;
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for (let i = start, j = start + s; i < j; i += step) {
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sum += S[Math.min(stop, i)];
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}
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for (let i = start, j = stop; i <= j; i += step) {
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sum += S[Math.min(stop, i + s)];
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T[i] = sum / w;
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sum -= S[Math.max(start, i - s)];
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}
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};
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}
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function count(values, valueof) {
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let count = 0;
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if (valueof === undefined) {
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for (let value of values) {
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if (value != null && (value = +value) >= value) {
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++count;
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}
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}
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} else {
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let index = -1;
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for (let value of values) {
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if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
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++count;
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}
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}
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}
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return count;
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}
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function length$1(array) {
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return array.length | 0;
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}
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function empty(length) {
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return !(length > 0);
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}
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function arrayify(values) {
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return typeof values !== "object" || "length" in values ? values : Array.from(values);
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}
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function reducer(reduce) {
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return values => reduce(...values);
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}
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function cross(...values) {
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const reduce = typeof values[values.length - 1] === "function" && reducer(values.pop());
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values = values.map(arrayify);
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const lengths = values.map(length$1);
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const j = values.length - 1;
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const index = new Array(j + 1).fill(0);
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const product = [];
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if (j < 0 || lengths.some(empty)) return product;
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while (true) {
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product.push(index.map((j, i) => values[i][j]));
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let i = j;
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while (++index[i] === lengths[i]) {
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if (i === 0) return reduce ? product.map(reduce) : product;
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index[i--] = 0;
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}
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}
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}
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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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function variance(values, valueof) {
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let count = 0;
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let delta;
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let mean = 0;
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let sum = 0;
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if (valueof === undefined) {
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for (let value of values) {
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if (value != null && (value = +value) >= value) {
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delta = value - mean;
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mean += delta / ++count;
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sum += delta * (value - mean);
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}
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}
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} else {
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let index = -1;
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for (let value of values) {
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if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
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delta = value - mean;
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mean += delta / ++count;
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sum += delta * (value - mean);
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}
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}
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}
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if (count > 1) return sum / (count - 1);
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}
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function deviation(values, valueof) {
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const v = variance(values, valueof);
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return v ? Math.sqrt(v) : v;
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}
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function extent(values, valueof) {
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let min;
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let max;
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if (valueof === undefined) {
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for (const value of values) {
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if (value != null) {
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if (min === undefined) {
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if (value >= value) min = max = value;
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} else {
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if (min > value) min = value;
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if (max < value) max = value;
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}
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}
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}
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} else {
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let index = -1;
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for (let value of values) {
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if ((value = valueof(value, ++index, values)) != null) {
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if (min === undefined) {
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if (value >= value) min = max = value;
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} else {
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if (min > value) min = value;
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if (max < value) max = value;
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}
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}
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}
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}
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return [min, max];
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}
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// https://github.com/python/cpython/blob/a74eea238f5baba15797e2e8b570d153bc8690a7/Modules/mathmodule.c#L1423
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class Adder {
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constructor() {
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this._partials = new Float64Array(32);
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this._n = 0;
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}
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add(x) {
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const p = this._partials;
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let i = 0;
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for (let j = 0; j < this._n && j < 32; j++) {
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const y = p[j],
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hi = x + y,
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lo = Math.abs(x) < Math.abs(y) ? x - (hi - y) : y - (hi - x);
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if (lo) p[i++] = lo;
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x = hi;
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}
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p[i] = x;
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this._n = i + 1;
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return this;
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}
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valueOf() {
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const p = this._partials;
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let n = this._n, x, y, lo, hi = 0;
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if (n > 0) {
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hi = p[--n];
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while (n > 0) {
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x = hi;
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y = p[--n];
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hi = x + y;
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lo = y - (hi - x);
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if (lo) break;
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}
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if (n > 0 && ((lo < 0 && p[n - 1] < 0) || (lo > 0 && p[n - 1] > 0))) {
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y = lo * 2;
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x = hi + y;
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if (y == x - hi) hi = x;
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}
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}
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return hi;
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}
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}
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function fsum(values, valueof) {
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const adder = new Adder();
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if (valueof === undefined) {
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for (let value of values) {
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if (value = +value) {
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adder.add(value);
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}
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}
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} else {
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let index = -1;
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for (let value of values) {
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if (value = +valueof(value, ++index, values)) {
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adder.add(value);
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}
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}
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}
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return +adder;
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}
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function fcumsum(values, valueof) {
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const adder = new Adder();
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let index = -1;
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return Float64Array.from(values, valueof === undefined
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? v => adder.add(+v || 0)
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: v => adder.add(+valueof(v, ++index, values) || 0)
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);
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}
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class InternMap extends Map {
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constructor(entries, key = keyof) {
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super();
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Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}});
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if (entries != null) for (const [key, value] of entries) this.set(key, value);
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}
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get(key) {
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return super.get(intern_get(this, key));
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}
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has(key) {
|
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return super.has(intern_get(this, key));
|
||
}
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set(key, value) {
|
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return super.set(intern_set(this, key), value);
|
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}
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||
delete(key) {
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return super.delete(intern_delete(this, key));
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}
|
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}
|
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|
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class InternSet extends Set {
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constructor(values, key = keyof) {
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||
super();
|
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Object.defineProperties(this, {_intern: {value: new Map()}, _key: {value: key}});
|
||
if (values != null) for (const value of values) this.add(value);
|
||
}
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||
has(value) {
|
||
return super.has(intern_get(this, value));
|
||
}
|
||
add(value) {
|
||
return super.add(intern_set(this, value));
|
||
}
|
||
delete(value) {
|
||
return super.delete(intern_delete(this, value));
|
||
}
|
||
}
|
||
|
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function intern_get({_intern, _key}, value) {
|
||
const key = _key(value);
|
||
return _intern.has(key) ? _intern.get(key) : value;
|
||
}
|
||
|
||
function intern_set({_intern, _key}, value) {
|
||
const key = _key(value);
|
||
if (_intern.has(key)) return _intern.get(key);
|
||
_intern.set(key, value);
|
||
return value;
|
||
}
|
||
|
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function intern_delete({_intern, _key}, value) {
|
||
const key = _key(value);
|
||
if (_intern.has(key)) {
|
||
value = _intern.get(key);
|
||
_intern.delete(key);
|
||
}
|
||
return value;
|
||
}
|
||
|
||
function keyof(value) {
|
||
return value !== null && typeof value === "object" ? value.valueOf() : value;
|
||
}
|
||
|
||
function identity(x) {
|
||
return x;
|
||
}
|
||
|
||
function group(values, ...keys) {
|
||
return nest(values, identity, identity, keys);
|
||
}
|
||
|
||
function groups(values, ...keys) {
|
||
return nest(values, Array.from, identity, keys);
|
||
}
|
||
|
||
function flatten$1(groups, keys) {
|
||
for (let i = 1, n = keys.length; i < n; ++i) {
|
||
groups = groups.flatMap(g => g.pop().map(([key, value]) => [...g, key, value]));
|
||
}
|
||
return groups;
|
||
}
|
||
|
||
function flatGroup(values, ...keys) {
|
||
return flatten$1(groups(values, ...keys), keys);
|
||
}
|
||
|
||
function flatRollup(values, reduce, ...keys) {
|
||
return flatten$1(rollups(values, reduce, ...keys), keys);
|
||
}
|
||
|
||
function rollup(values, reduce, ...keys) {
|
||
return nest(values, identity, reduce, keys);
|
||
}
|
||
|
||
function rollups(values, reduce, ...keys) {
|
||
return nest(values, Array.from, reduce, keys);
|
||
}
|
||
|
||
function index(values, ...keys) {
|
||
return nest(values, identity, unique, keys);
|
||
}
|
||
|
||
function indexes(values, ...keys) {
|
||
return nest(values, Array.from, unique, keys);
|
||
}
|
||
|
||
function unique(values) {
|
||
if (values.length !== 1) throw new Error("duplicate key");
|
||
return values[0];
|
||
}
|
||
|
||
function nest(values, map, reduce, keys) {
|
||
return (function regroup(values, i) {
|
||
if (i >= keys.length) return reduce(values);
|
||
const groups = new InternMap();
|
||
const keyof = keys[i++];
|
||
let index = -1;
|
||
for (const value of values) {
|
||
const key = keyof(value, ++index, values);
|
||
const group = groups.get(key);
|
||
if (group) group.push(value);
|
||
else groups.set(key, [value]);
|
||
}
|
||
for (const [key, values] of groups) {
|
||
groups.set(key, regroup(values, i));
|
||
}
|
||
return map(groups);
|
||
})(values, 0);
|
||
}
|
||
|
||
function permute(source, keys) {
|
||
return Array.from(keys, key => source[key]);
|
||
}
|
||
|
||
function sort(values, ...F) {
|
||
if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable");
|
||
values = Array.from(values);
|
||
let [f] = F;
|
||
if ((f && f.length !== 2) || F.length > 1) {
|
||
const index = Uint32Array.from(values, (d, i) => i);
|
||
if (F.length > 1) {
|
||
F = F.map(f => values.map(f));
|
||
index.sort((i, j) => {
|
||
for (const f of F) {
|
||
const c = ascendingDefined(f[i], f[j]);
|
||
if (c) return c;
|
||
}
|
||
});
|
||
} else {
|
||
f = values.map(f);
|
||
index.sort((i, j) => ascendingDefined(f[i], f[j]));
|
||
}
|
||
return permute(values, index);
|
||
}
|
||
return values.sort(compareDefined(f));
|
||
}
|
||
|
||
function compareDefined(compare = ascending) {
|
||
if (compare === ascending) return ascendingDefined;
|
||
if (typeof compare !== "function") throw new TypeError("compare is not a function");
|
||
return (a, b) => {
|
||
const x = compare(a, b);
|
||
if (x || x === 0) return x;
|
||
return (compare(b, b) === 0) - (compare(a, a) === 0);
|
||
};
|
||
}
|
||
|
||
function ascendingDefined(a, b) {
|
||
return (a == null || !(a >= a)) - (b == null || !(b >= b)) || (a < b ? -1 : a > b ? 1 : 0);
|
||
}
|
||
|
||
function groupSort(values, reduce, key) {
|
||
return (reduce.length !== 2
|
||
? sort(rollup(values, reduce, key), (([ak, av], [bk, bv]) => ascending(av, bv) || ascending(ak, bk)))
|
||
: sort(group(values, key), (([ak, av], [bk, bv]) => reduce(av, bv) || ascending(ak, bk))))
|
||
.map(([key]) => key);
|
||
}
|
||
|
||
var array = Array.prototype;
|
||
|
||
var slice = array.slice;
|
||
|
||
function constant(x) {
|
||
return () => x;
|
||
}
|
||
|
||
const e10 = Math.sqrt(50),
|
||
e5 = Math.sqrt(10),
|
||
e2 = Math.sqrt(2);
|
||
|
||
function tickSpec(start, stop, count) {
|
||
const step = (stop - start) / Math.max(0, count),
|
||
power = Math.floor(Math.log10(step)),
|
||
error = step / Math.pow(10, power),
|
||
factor = error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1;
|
||
let i1, i2, inc;
|
||
if (power < 0) {
|
||
inc = Math.pow(10, -power) / factor;
|
||
i1 = Math.round(start * inc);
|
||
i2 = Math.round(stop * inc);
|
||
if (i1 / inc < start) ++i1;
|
||
if (i2 / inc > stop) --i2;
|
||
inc = -inc;
|
||
} else {
|
||
inc = Math.pow(10, power) * factor;
|
||
i1 = Math.round(start / inc);
|
||
i2 = Math.round(stop / inc);
|
||
if (i1 * inc < start) ++i1;
|
||
if (i2 * inc > stop) --i2;
|
||
}
|
||
if (i2 < i1 && 0.5 <= count && count < 2) return tickSpec(start, stop, count * 2);
|
||
return [i1, i2, inc];
|
||
}
|
||
|
||
function ticks(start, stop, count) {
|
||
stop = +stop, start = +start, count = +count;
|
||
if (!(count > 0)) return [];
|
||
if (start === stop) return [start];
|
||
const reverse = stop < start, [i1, i2, inc] = reverse ? tickSpec(stop, start, count) : tickSpec(start, stop, count);
|
||
if (!(i2 >= i1)) return [];
|
||
const n = i2 - i1 + 1, ticks = new Array(n);
|
||
if (reverse) {
|
||
if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) / -inc;
|
||
else for (let i = 0; i < n; ++i) ticks[i] = (i2 - i) * inc;
|
||
} else {
|
||
if (inc < 0) for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) / -inc;
|
||
else for (let i = 0; i < n; ++i) ticks[i] = (i1 + i) * inc;
|
||
}
|
||
return ticks;
|
||
}
|
||
|
||
function tickIncrement(start, stop, count) {
|
||
stop = +stop, start = +start, count = +count;
|
||
return tickSpec(start, stop, count)[2];
|
||
}
|
||
|
||
function tickStep(start, stop, count) {
|
||
stop = +stop, start = +start, count = +count;
|
||
const reverse = stop < start, inc = reverse ? tickIncrement(stop, start, count) : tickIncrement(start, stop, count);
|
||
return (reverse ? -1 : 1) * (inc < 0 ? 1 / -inc : inc);
|
||
}
|
||
|
||
function nice(start, stop, count) {
|
||
let prestep;
|
||
while (true) {
|
||
const step = tickIncrement(start, stop, count);
|
||
if (step === prestep || step === 0 || !isFinite(step)) {
|
||
return [start, stop];
|
||
} else if (step > 0) {
|
||
start = Math.floor(start / step) * step;
|
||
stop = Math.ceil(stop / step) * step;
|
||
} else if (step < 0) {
|
||
start = Math.ceil(start * step) / step;
|
||
stop = Math.floor(stop * step) / step;
|
||
}
|
||
prestep = step;
|
||
}
|
||
}
|
||
|
||
function thresholdSturges(values) {
|
||
return Math.max(1, Math.ceil(Math.log(count(values)) / Math.LN2) + 1);
|
||
}
|
||
|
||
function bin() {
|
||
var value = identity,
|
||
domain = extent,
|
||
threshold = thresholdSturges;
|
||
|
||
function histogram(data) {
|
||
if (!Array.isArray(data)) data = Array.from(data);
|
||
|
||
var i,
|
||
n = data.length,
|
||
x,
|
||
step,
|
||
values = new Array(n);
|
||
|
||
for (i = 0; i < n; ++i) {
|
||
values[i] = value(data[i], i, data);
|
||
}
|
||
|
||
var xz = domain(values),
|
||
x0 = xz[0],
|
||
x1 = xz[1],
|
||
tz = threshold(values, x0, x1);
|
||
|
||
// Convert number of thresholds into uniform thresholds, and nice the
|
||
// default domain accordingly.
|
||
if (!Array.isArray(tz)) {
|
||
const max = x1, tn = +tz;
|
||
if (domain === extent) [x0, x1] = nice(x0, x1, tn);
|
||
tz = ticks(x0, x1, tn);
|
||
|
||
// If the domain is aligned with the first tick (which it will by
|
||
// default), then we can use quantization rather than bisection to bin
|
||
// values, which is substantially faster.
|
||
if (tz[0] <= x0) step = tickIncrement(x0, x1, tn);
|
||
|
||
// If the last threshold is coincident with the domain’s upper bound, the
|
||
// last bin will be zero-width. If the default domain is used, and this
|
||
// last threshold is coincident with the maximum input value, we can
|
||
// extend the niced upper bound by one tick to ensure uniform bin widths;
|
||
// otherwise, we simply remove the last threshold. Note that we don’t
|
||
// coerce values or the domain to numbers, and thus must be careful to
|
||
// compare order (>=) rather than strict equality (===)!
|
||
if (tz[tz.length - 1] >= x1) {
|
||
if (max >= x1 && domain === extent) {
|
||
const step = tickIncrement(x0, x1, tn);
|
||
if (isFinite(step)) {
|
||
if (step > 0) {
|
||
x1 = (Math.floor(x1 / step) + 1) * step;
|
||
} else if (step < 0) {
|
||
x1 = (Math.ceil(x1 * -step) + 1) / -step;
|
||
}
|
||
}
|
||
} else {
|
||
tz.pop();
|
||
}
|
||
}
|
||
}
|
||
|
||
// Remove any thresholds outside the domain.
|
||
// Be careful not to mutate an array owned by the user!
|
||
var m = tz.length, a = 0, b = m;
|
||
while (tz[a] <= x0) ++a;
|
||
while (tz[b - 1] > x1) --b;
|
||
if (a || b < m) tz = tz.slice(a, b), m = b - a;
|
||
|
||
var bins = new Array(m + 1),
|
||
bin;
|
||
|
||
// Initialize bins.
|
||
for (i = 0; i <= m; ++i) {
|
||
bin = bins[i] = [];
|
||
bin.x0 = i > 0 ? tz[i - 1] : x0;
|
||
bin.x1 = i < m ? tz[i] : x1;
|
||
}
|
||
|
||
// Assign data to bins by value, ignoring any outside the domain.
|
||
if (isFinite(step)) {
|
||
if (step > 0) {
|
||
for (i = 0; i < n; ++i) {
|
||
if ((x = values[i]) != null && x0 <= x && x <= x1) {
|
||
bins[Math.min(m, Math.floor((x - x0) / step))].push(data[i]);
|
||
}
|
||
}
|
||
} else if (step < 0) {
|
||
for (i = 0; i < n; ++i) {
|
||
if ((x = values[i]) != null && x0 <= x && x <= x1) {
|
||
const j = Math.floor((x0 - x) * step);
|
||
bins[Math.min(m, j + (tz[j] <= x))].push(data[i]); // handle off-by-one due to rounding
|
||
}
|
||
}
|
||
}
|
||
} else {
|
||
for (i = 0; i < n; ++i) {
|
||
if ((x = values[i]) != null && x0 <= x && x <= x1) {
|
||
bins[bisect(tz, x, 0, m)].push(data[i]);
|
||
}
|
||
}
|
||
}
|
||
|
||
return bins;
|
||
}
|
||
|
||
histogram.value = function(_) {
|
||
return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value;
|
||
};
|
||
|
||
histogram.domain = function(_) {
|
||
return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain;
|
||
};
|
||
|
||
histogram.thresholds = function(_) {
|
||
return arguments.length ? (threshold = typeof _ === "function" ? _ : constant(Array.isArray(_) ? slice.call(_) : _), histogram) : threshold;
|
||
};
|
||
|
||
return histogram;
|
||
}
|
||
|
||
function max(values, valueof) {
|
||
let max;
|
||
if (valueof === undefined) {
|
||
for (const value of values) {
|
||
if (value != null
|
||
&& (max < value || (max === undefined && value >= value))) {
|
||
max = value;
|
||
}
|
||
}
|
||
} else {
|
||
let index = -1;
|
||
for (let value of values) {
|
||
if ((value = valueof(value, ++index, values)) != null
|
||
&& (max < value || (max === undefined && value >= value))) {
|
||
max = value;
|
||
}
|
||
}
|
||
}
|
||
return max;
|
||
}
|
||
|
||
function maxIndex(values, valueof) {
|
||
let max;
|
||
let maxIndex = -1;
|
||
let index = -1;
|
||
if (valueof === undefined) {
|
||
for (const value of values) {
|
||
++index;
|
||
if (value != null
|
||
&& (max < value || (max === undefined && value >= value))) {
|
||
max = value, maxIndex = index;
|
||
}
|
||
}
|
||
} else {
|
||
for (let value of values) {
|
||
if ((value = valueof(value, ++index, values)) != null
|
||
&& (max < value || (max === undefined && value >= value))) {
|
||
max = value, maxIndex = index;
|
||
}
|
||
}
|
||
}
|
||
return maxIndex;
|
||
}
|
||
|
||
function min(values, valueof) {
|
||
let min;
|
||
if (valueof === undefined) {
|
||
for (const value of values) {
|
||
if (value != null
|
||
&& (min > value || (min === undefined && value >= value))) {
|
||
min = value;
|
||
}
|
||
}
|
||
} else {
|
||
let index = -1;
|
||
for (let value of values) {
|
||
if ((value = valueof(value, ++index, values)) != null
|
||
&& (min > value || (min === undefined && value >= value))) {
|
||
min = value;
|
||
}
|
||
}
|
||
}
|
||
return min;
|
||
}
|
||
|
||
function minIndex(values, valueof) {
|
||
let min;
|
||
let minIndex = -1;
|
||
let index = -1;
|
||
if (valueof === undefined) {
|
||
for (const value of values) {
|
||
++index;
|
||
if (value != null
|
||
&& (min > value || (min === undefined && value >= value))) {
|
||
min = value, minIndex = index;
|
||
}
|
||
}
|
||
} else {
|
||
for (let value of values) {
|
||
if ((value = valueof(value, ++index, values)) != null
|
||
&& (min > value || (min === undefined && value >= value))) {
|
||
min = value, minIndex = index;
|
||
}
|
||
}
|
||
}
|
||
return minIndex;
|
||
}
|
||
|
||
// Based on https://github.com/mourner/quickselect
|
||
// ISC license, Copyright 2018 Vladimir Agafonkin.
|
||
function quickselect(array, k, left = 0, right = Infinity, compare) {
|
||
k = Math.floor(k);
|
||
left = Math.floor(Math.max(0, left));
|
||
right = Math.floor(Math.min(array.length - 1, right));
|
||
|
||
if (!(left <= k && k <= right)) return array;
|
||
|
||
compare = compare === undefined ? ascendingDefined : compareDefined(compare);
|
||
|
||
while (right > left) {
|
||
if (right - left > 600) {
|
||
const n = right - left + 1;
|
||
const m = k - left + 1;
|
||
const z = Math.log(n);
|
||
const s = 0.5 * Math.exp(2 * z / 3);
|
||
const sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1);
|
||
const newLeft = Math.max(left, Math.floor(k - m * s / n + sd));
|
||
const newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd));
|
||
quickselect(array, k, newLeft, newRight, compare);
|
||
}
|
||
|
||
const t = array[k];
|
||
let i = left;
|
||
let j = right;
|
||
|
||
swap(array, left, k);
|
||
if (compare(array[right], t) > 0) swap(array, left, right);
|
||
|
||
while (i < j) {
|
||
swap(array, i, j), ++i, --j;
|
||
while (compare(array[i], t) < 0) ++i;
|
||
while (compare(array[j], t) > 0) --j;
|
||
}
|
||
|
||
if (compare(array[left], t) === 0) swap(array, left, j);
|
||
else ++j, swap(array, j, right);
|
||
|
||
if (j <= k) left = j + 1;
|
||
if (k <= j) right = j - 1;
|
||
}
|
||
|
||
return array;
|
||
}
|
||
|
||
function swap(array, i, j) {
|
||
const t = array[i];
|
||
array[i] = array[j];
|
||
array[j] = t;
|
||
}
|
||
|
||
function greatest(values, compare = ascending) {
|
||
let max;
|
||
let defined = false;
|
||
if (compare.length === 1) {
|
||
let maxValue;
|
||
for (const element of values) {
|
||
const value = compare(element);
|
||
if (defined
|
||
? ascending(value, maxValue) > 0
|
||
: ascending(value, value) === 0) {
|
||
max = element;
|
||
maxValue = value;
|
||
defined = true;
|
||
}
|
||
}
|
||
} else {
|
||
for (const value of values) {
|
||
if (defined
|
||
? compare(value, max) > 0
|
||
: compare(value, value) === 0) {
|
||
max = value;
|
||
defined = true;
|
||
}
|
||
}
|
||
}
|
||
return max;
|
||
}
|
||
|
||
function quantile(values, p, valueof) {
|
||
values = Float64Array.from(numbers(values, valueof));
|
||
if (!(n = values.length) || isNaN(p = +p)) return;
|
||
if (p <= 0 || n < 2) return min(values);
|
||
if (p >= 1) return max(values);
|
||
var n,
|
||
i = (n - 1) * p,
|
||
i0 = Math.floor(i),
|
||
value0 = max(quickselect(values, i0).subarray(0, i0 + 1)),
|
||
value1 = min(values.subarray(i0 + 1));
|
||
return value0 + (value1 - value0) * (i - i0);
|
||
}
|
||
|
||
function quantileSorted(values, p, valueof = number) {
|
||
if (!(n = values.length) || isNaN(p = +p)) return;
|
||
if (p <= 0 || n < 2) return +valueof(values[0], 0, values);
|
||
if (p >= 1) return +valueof(values[n - 1], n - 1, values);
|
||
var n,
|
||
i = (n - 1) * p,
|
||
i0 = Math.floor(i),
|
||
value0 = +valueof(values[i0], i0, values),
|
||
value1 = +valueof(values[i0 + 1], i0 + 1, values);
|
||
return value0 + (value1 - value0) * (i - i0);
|
||
}
|
||
|
||
function quantileIndex(values, p, valueof = number) {
|
||
if (isNaN(p = +p)) return;
|
||
numbers = Float64Array.from(values, (_, i) => number(valueof(values[i], i, values)));
|
||
if (p <= 0) return minIndex(numbers);
|
||
if (p >= 1) return maxIndex(numbers);
|
||
var numbers,
|
||
index = Uint32Array.from(values, (_, i) => i),
|
||
j = numbers.length - 1,
|
||
i = Math.floor(j * p);
|
||
quickselect(index, i, 0, j, (i, j) => ascendingDefined(numbers[i], numbers[j]));
|
||
i = greatest(index.subarray(0, i + 1), (i) => numbers[i]);
|
||
return i >= 0 ? i : -1;
|
||
}
|
||
|
||
function thresholdFreedmanDiaconis(values, min, max) {
|
||
const c = count(values), d = quantile(values, 0.75) - quantile(values, 0.25);
|
||
return c && d ? Math.ceil((max - min) / (2 * d * Math.pow(c, -1 / 3))) : 1;
|
||
}
|
||
|
||
function thresholdScott(values, min, max) {
|
||
const c = count(values), d = deviation(values);
|
||
return c && d ? Math.ceil((max - min) * Math.cbrt(c) / (3.49 * d)) : 1;
|
||
}
|
||
|
||
function mean(values, valueof) {
|
||
let count = 0;
|
||
let sum = 0;
|
||
if (valueof === undefined) {
|
||
for (let value of values) {
|
||
if (value != null && (value = +value) >= value) {
|
||
++count, sum += value;
|
||
}
|
||
}
|
||
} else {
|
||
let index = -1;
|
||
for (let value of values) {
|
||
if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
|
||
++count, sum += value;
|
||
}
|
||
}
|
||
}
|
||
if (count) return sum / count;
|
||
}
|
||
|
||
function median(values, valueof) {
|
||
return quantile(values, 0.5, valueof);
|
||
}
|
||
|
||
function medianIndex(values, valueof) {
|
||
return quantileIndex(values, 0.5, valueof);
|
||
}
|
||
|
||
function* flatten(arrays) {
|
||
for (const array of arrays) {
|
||
yield* array;
|
||
}
|
||
}
|
||
|
||
function merge(arrays) {
|
||
return Array.from(flatten(arrays));
|
||
}
|
||
|
||
function mode(values, valueof) {
|
||
const counts = new InternMap();
|
||
if (valueof === undefined) {
|
||
for (let value of values) {
|
||
if (value != null && value >= value) {
|
||
counts.set(value, (counts.get(value) || 0) + 1);
|
||
}
|
||
}
|
||
} else {
|
||
let index = -1;
|
||
for (let value of values) {
|
||
if ((value = valueof(value, ++index, values)) != null && value >= value) {
|
||
counts.set(value, (counts.get(value) || 0) + 1);
|
||
}
|
||
}
|
||
}
|
||
let modeValue;
|
||
let modeCount = 0;
|
||
for (const [value, count] of counts) {
|
||
if (count > modeCount) {
|
||
modeCount = count;
|
||
modeValue = value;
|
||
}
|
||
}
|
||
return modeValue;
|
||
}
|
||
|
||
function pairs(values, pairof = pair) {
|
||
const pairs = [];
|
||
let previous;
|
||
let first = false;
|
||
for (const value of values) {
|
||
if (first) pairs.push(pairof(previous, value));
|
||
previous = value;
|
||
first = true;
|
||
}
|
||
return pairs;
|
||
}
|
||
|
||
function pair(a, b) {
|
||
return [a, b];
|
||
}
|
||
|
||
function range(start, stop, step) {
|
||
start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;
|
||
|
||
var i = -1,
|
||
n = Math.max(0, Math.ceil((stop - start) / step)) | 0,
|
||
range = new Array(n);
|
||
|
||
while (++i < n) {
|
||
range[i] = start + i * step;
|
||
}
|
||
|
||
return range;
|
||
}
|
||
|
||
function rank(values, valueof = ascending) {
|
||
if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable");
|
||
let V = Array.from(values);
|
||
const R = new Float64Array(V.length);
|
||
if (valueof.length !== 2) V = V.map(valueof), valueof = ascending;
|
||
const compareIndex = (i, j) => valueof(V[i], V[j]);
|
||
let k, r;
|
||
values = Uint32Array.from(V, (_, i) => i);
|
||
// Risky chaining due to Safari 14 https://github.com/d3/d3-array/issues/123
|
||
values.sort(valueof === ascending ? (i, j) => ascendingDefined(V[i], V[j]) : compareDefined(compareIndex));
|
||
values.forEach((j, i) => {
|
||
const c = compareIndex(j, k === undefined ? j : k);
|
||
if (c >= 0) {
|
||
if (k === undefined || c > 0) k = j, r = i;
|
||
R[j] = r;
|
||
} else {
|
||
R[j] = NaN;
|
||
}
|
||
});
|
||
return R;
|
||
}
|
||
|
||
function least(values, compare = ascending) {
|
||
let min;
|
||
let defined = false;
|
||
if (compare.length === 1) {
|
||
let minValue;
|
||
for (const element of values) {
|
||
const value = compare(element);
|
||
if (defined
|
||
? ascending(value, minValue) < 0
|
||
: ascending(value, value) === 0) {
|
||
min = element;
|
||
minValue = value;
|
||
defined = true;
|
||
}
|
||
}
|
||
} else {
|
||
for (const value of values) {
|
||
if (defined
|
||
? compare(value, min) < 0
|
||
: compare(value, value) === 0) {
|
||
min = value;
|
||
defined = true;
|
||
}
|
||
}
|
||
}
|
||
return min;
|
||
}
|
||
|
||
function leastIndex(values, compare = ascending) {
|
||
if (compare.length === 1) return minIndex(values, compare);
|
||
let minValue;
|
||
let min = -1;
|
||
let index = -1;
|
||
for (const value of values) {
|
||
++index;
|
||
if (min < 0
|
||
? compare(value, value) === 0
|
||
: compare(value, minValue) < 0) {
|
||
minValue = value;
|
||
min = index;
|
||
}
|
||
}
|
||
return min;
|
||
}
|
||
|
||
function greatestIndex(values, compare = ascending) {
|
||
if (compare.length === 1) return maxIndex(values, compare);
|
||
let maxValue;
|
||
let max = -1;
|
||
let index = -1;
|
||
for (const value of values) {
|
||
++index;
|
||
if (max < 0
|
||
? compare(value, value) === 0
|
||
: compare(value, maxValue) > 0) {
|
||
maxValue = value;
|
||
max = index;
|
||
}
|
||
}
|
||
return max;
|
||
}
|
||
|
||
function scan(values, compare) {
|
||
const index = leastIndex(values, compare);
|
||
return index < 0 ? undefined : index;
|
||
}
|
||
|
||
var shuffle = shuffler(Math.random);
|
||
|
||
function shuffler(random) {
|
||
return function shuffle(array, i0 = 0, i1 = array.length) {
|
||
let m = i1 - (i0 = +i0);
|
||
while (m) {
|
||
const i = random() * m-- | 0, t = array[m + i0];
|
||
array[m + i0] = array[i + i0];
|
||
array[i + i0] = t;
|
||
}
|
||
return array;
|
||
};
|
||
}
|
||
|
||
function sum(values, valueof) {
|
||
let sum = 0;
|
||
if (valueof === undefined) {
|
||
for (let value of values) {
|
||
if (value = +value) {
|
||
sum += value;
|
||
}
|
||
}
|
||
} else {
|
||
let index = -1;
|
||
for (let value of values) {
|
||
if (value = +valueof(value, ++index, values)) {
|
||
sum += value;
|
||
}
|
||
}
|
||
}
|
||
return sum;
|
||
}
|
||
|
||
function transpose(matrix) {
|
||
if (!(n = matrix.length)) return [];
|
||
for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) {
|
||
for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) {
|
||
row[j] = matrix[j][i];
|
||
}
|
||
}
|
||
return transpose;
|
||
}
|
||
|
||
function length(d) {
|
||
return d.length;
|
||
}
|
||
|
||
function zip() {
|
||
return transpose(arguments);
|
||
}
|
||
|
||
function every(values, test) {
|
||
if (typeof test !== "function") throw new TypeError("test is not a function");
|
||
let index = -1;
|
||
for (const value of values) {
|
||
if (!test(value, ++index, values)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
function some(values, test) {
|
||
if (typeof test !== "function") throw new TypeError("test is not a function");
|
||
let index = -1;
|
||
for (const value of values) {
|
||
if (test(value, ++index, values)) {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
function filter(values, test) {
|
||
if (typeof test !== "function") throw new TypeError("test is not a function");
|
||
const array = [];
|
||
let index = -1;
|
||
for (const value of values) {
|
||
if (test(value, ++index, values)) {
|
||
array.push(value);
|
||
}
|
||
}
|
||
return array;
|
||
}
|
||
|
||
function map(values, mapper) {
|
||
if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable");
|
||
if (typeof mapper !== "function") throw new TypeError("mapper is not a function");
|
||
return Array.from(values, (value, index) => mapper(value, index, values));
|
||
}
|
||
|
||
function reduce(values, reducer, value) {
|
||
if (typeof reducer !== "function") throw new TypeError("reducer is not a function");
|
||
const iterator = values[Symbol.iterator]();
|
||
let done, next, index = -1;
|
||
if (arguments.length < 3) {
|
||
({done, value} = iterator.next());
|
||
if (done) return;
|
||
++index;
|
||
}
|
||
while (({done, value: next} = iterator.next()), !done) {
|
||
value = reducer(value, next, ++index, values);
|
||
}
|
||
return value;
|
||
}
|
||
|
||
function reverse(values) {
|
||
if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable");
|
||
return Array.from(values).reverse();
|
||
}
|
||
|
||
function difference(values, ...others) {
|
||
values = new InternSet(values);
|
||
for (const other of others) {
|
||
for (const value of other) {
|
||
values.delete(value);
|
||
}
|
||
}
|
||
return values;
|
||
}
|
||
|
||
function disjoint(values, other) {
|
||
const iterator = other[Symbol.iterator](), set = new InternSet();
|
||
for (const v of values) {
|
||
if (set.has(v)) return false;
|
||
let value, done;
|
||
while (({value, done} = iterator.next())) {
|
||
if (done) break;
|
||
if (Object.is(v, value)) return false;
|
||
set.add(value);
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
function intersection(values, ...others) {
|
||
values = new InternSet(values);
|
||
others = others.map(set);
|
||
out: for (const value of values) {
|
||
for (const other of others) {
|
||
if (!other.has(value)) {
|
||
values.delete(value);
|
||
continue out;
|
||
}
|
||
}
|
||
}
|
||
return values;
|
||
}
|
||
|
||
function set(values) {
|
||
return values instanceof InternSet ? values : new InternSet(values);
|
||
}
|
||
|
||
function superset(values, other) {
|
||
const iterator = values[Symbol.iterator](), set = new Set();
|
||
for (const o of other) {
|
||
const io = intern(o);
|
||
if (set.has(io)) continue;
|
||
let value, done;
|
||
while (({value, done} = iterator.next())) {
|
||
if (done) return false;
|
||
const ivalue = intern(value);
|
||
set.add(ivalue);
|
||
if (Object.is(io, ivalue)) break;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
function intern(value) {
|
||
return value !== null && typeof value === "object" ? value.valueOf() : value;
|
||
}
|
||
|
||
function subset(values, other) {
|
||
return superset(other, values);
|
||
}
|
||
|
||
function union(...others) {
|
||
const set = new InternSet();
|
||
for (const other of others) {
|
||
for (const o of other) {
|
||
set.add(o);
|
||
}
|
||
}
|
||
return set;
|
||
}
|
||
|
||
exports.Adder = Adder;
|
||
exports.InternMap = InternMap;
|
||
exports.InternSet = InternSet;
|
||
exports.ascending = ascending;
|
||
exports.bin = bin;
|
||
exports.bisect = bisect;
|
||
exports.bisectCenter = bisectCenter;
|
||
exports.bisectLeft = bisectLeft;
|
||
exports.bisectRight = bisectRight;
|
||
exports.bisector = bisector;
|
||
exports.blur = blur;
|
||
exports.blur2 = blur2;
|
||
exports.blurImage = blurImage;
|
||
exports.count = count;
|
||
exports.cross = cross;
|
||
exports.cumsum = cumsum;
|
||
exports.descending = descending;
|
||
exports.deviation = deviation;
|
||
exports.difference = difference;
|
||
exports.disjoint = disjoint;
|
||
exports.every = every;
|
||
exports.extent = extent;
|
||
exports.fcumsum = fcumsum;
|
||
exports.filter = filter;
|
||
exports.flatGroup = flatGroup;
|
||
exports.flatRollup = flatRollup;
|
||
exports.fsum = fsum;
|
||
exports.greatest = greatest;
|
||
exports.greatestIndex = greatestIndex;
|
||
exports.group = group;
|
||
exports.groupSort = groupSort;
|
||
exports.groups = groups;
|
||
exports.histogram = bin;
|
||
exports.index = index;
|
||
exports.indexes = indexes;
|
||
exports.intersection = intersection;
|
||
exports.least = least;
|
||
exports.leastIndex = leastIndex;
|
||
exports.map = map;
|
||
exports.max = max;
|
||
exports.maxIndex = maxIndex;
|
||
exports.mean = mean;
|
||
exports.median = median;
|
||
exports.medianIndex = medianIndex;
|
||
exports.merge = merge;
|
||
exports.min = min;
|
||
exports.minIndex = minIndex;
|
||
exports.mode = mode;
|
||
exports.nice = nice;
|
||
exports.pairs = pairs;
|
||
exports.permute = permute;
|
||
exports.quantile = quantile;
|
||
exports.quantileIndex = quantileIndex;
|
||
exports.quantileSorted = quantileSorted;
|
||
exports.quickselect = quickselect;
|
||
exports.range = range;
|
||
exports.rank = rank;
|
||
exports.reduce = reduce;
|
||
exports.reverse = reverse;
|
||
exports.rollup = rollup;
|
||
exports.rollups = rollups;
|
||
exports.scan = scan;
|
||
exports.shuffle = shuffle;
|
||
exports.shuffler = shuffler;
|
||
exports.some = some;
|
||
exports.sort = sort;
|
||
exports.subset = subset;
|
||
exports.sum = sum;
|
||
exports.superset = superset;
|
||
exports.thresholdFreedmanDiaconis = thresholdFreedmanDiaconis;
|
||
exports.thresholdScott = thresholdScott;
|
||
exports.thresholdSturges = thresholdSturges;
|
||
exports.tickIncrement = tickIncrement;
|
||
exports.tickStep = tickStep;
|
||
exports.ticks = ticks;
|
||
exports.transpose = transpose;
|
||
exports.union = union;
|
||
exports.variance = variance;
|
||
exports.zip = zip;
|
||
|
||
}));
|