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How to use maxSignificand method in fast-check-monorepo
Best JavaScript code snippet using fast-check-monorepo
math.ts
Source:math.ts 
1/** @internal */2export const MIN_VALUE_32 = 2 ** -126 * 2 ** -23;3/** @internal */4export const MAX_VALUE_32 = 2 ** 127 * (1 + (2 ** 23 - 1) / 2 ** 23);5/** @internal */6export const EPSILON_32 = 2 ** -23;7/** @internal */8const INDEX_POSITIVE_INFINITY_32 = 2139095040; // floatToIndex(MAX_VALUE_32) + 1;9/** @internal */10const INDEX_NEGATIVE_INFINITY_32 = -2139095041; // floatToIndex(-MAX_VALUE_32) - 111export function safeFloatToIndex(f: number, label: string): IO<never, never, number> {12 const conversionTrick = "you can convert any double to a 32-bit float by using `new Float32Array([myDouble])[0]`";13 const errorMessage = "fc.floatNext constraints." + label + " must be a 32-bit float - " + conversionTrick;14 if (Number.isNaN(f) || (Number.isFinite(f) && (f < -MAX_VALUE_32 || f > MAX_VALUE_32))) {15 return IO.haltNow(new Error(errorMessage));16 }17 const index = floatToIndex(f);18 if (!Number.isInteger(index)) {19 return IO.haltNow(new Error(errorMessage));20 }21 return IO.succeedNow(index);22}23export function decomposeFloat(f: number): { exponent: number; significand: number } {24 // 1 => significand 0b1 - exponent 1 (will be preferred)25 // => significand 0b0.1 - exponent 226 const maxSignificand = 1 + (2 ** 23 - 1) / 2 ** 23;27 for (let exponent = -126; exponent !== 128; ++exponent) {28 const powExponent = 2 ** exponent;29 const maxForExponent = maxSignificand * powExponent;30 if (Math.abs(f) <= maxForExponent) {31 return { exponent, significand: f / powExponent };32 }33 }34 return { exponent: Number.NaN, significand: Number.NaN };35}36export function floatToIndex(f: number): number {37 if (f === Number.POSITIVE_INFINITY) {38 return INDEX_POSITIVE_INFINITY_32;39 }40 if (f === Number.NEGATIVE_INFINITY) {41 return INDEX_NEGATIVE_INFINITY_32;42 }43 const { exponent, significand } = decomposeFloat(f);44 if (Number.isNaN(exponent) || Number.isNaN(significand) || !Number.isInteger(significand * 0x800000)) {45 return Number.NaN;46 }47 if (f > 0 || (f === 0 && 1 / f === Number.POSITIVE_INFINITY)) {48 return indexInFloatFromDecomp(exponent, significand);49 } else {50 return -indexInFloatFromDecomp(exponent, -significand) - 1;51 }52}53/** @internal */54export function indexInFloatFromDecomp(exponent: number, significand: number) {55 // WARNING: significand >= 056 // By construct of significand in decomposeFloat,57 // significand is always max-ed.58 // The float close to zero are the only one having a significand <1, they also have an exponent of -126.59 // They are in range: [2**(-126) * 2**(-23), 2**(-126) * (2 - 2 ** 23)]60 // In other words there are 2**24 elements in that range if we include zero.61 // All other ranges (other exponents) have a length of 2**23 elements.62 if (exponent === -126) {63 return significand * 0x800000; // significand * 2**2364 }65 // Offset due to exp = -126 + Offset of previous exp (excl. -126) + Offset in current exp66 // 2**24 + (exponent - (-126) -1) * 2**23 + (significand - 1) * 2**2367 return (exponent + 127) * 0x800000 + (significand - 1) * 0x800000;68}69/**70 * Compute the 32-bit floating point number corresponding to the provided indexes71 *72 * @param n - index of the float73 *74 * @internal75 */76export function indexToFloat(index: number): number {77 if (index < 0) {78 return -indexToFloat(-index - 1);79 }80 if (index === INDEX_POSITIVE_INFINITY_32) {81 return Number.POSITIVE_INFINITY;82 }83 if (index < 0x1000000) {84 // The first 2**24 elements correspond to values having85 // exponent = -126 and significand = index * 2**(-23)86 return index * 2 ** -149;87 }88 const postIndex = index - 0x1000000;89 // Math.floor(postIndex / 0x800000) = Math.floor(postIndex / 2**23) = (postIndex >> 23)90 const exponent = -125 + (postIndex >> 23);91 // (postIndex % 0x800000) / 0x800000 = (postIndex & 0x7fffff) / 0x80000092 const significand = 1 + (postIndex & 0x7fffff) / 0x800000;93 return significand * 2 ** exponent;94}95/** @internal */96export type ArrayInt64 = { sign: 1 | -1; data: [number, number] };97/** @internal */98export const Zero64: ArrayInt64 = { sign: 1, data: [0, 0] };99/** @internal */100export const Unit64: ArrayInt64 = { sign: 1, data: [0, 1] };101/** @internal */102export function isZero64(a: ArrayInt64): boolean {103 return a.data[0] === 0 && a.data[1] === 0;104}105/** @internal */106export function isStrictlyNegative64(a: ArrayInt64): boolean {107 return a.sign === -1 && !isZero64(a);108}109/** @internal */110export function isStrictlyPositive64(a: ArrayInt64): boolean {111 return a.sign === 1 && !isZero64(a);112}113/** @internal */114export function isEqual64(a: ArrayInt64, b: ArrayInt64): boolean {115 if (a.data[0] === b.data[0] && a.data[1] === b.data[1]) {116 return a.sign === b.sign || (a.data[0] === 0 && a.data[1] === 0); // either the same or both zero117 }118 return false;119}120/** @internal */121function isStrictlySmaller64Internal(a: ArrayInt64["data"], b: ArrayInt64["data"]): boolean {122 return a[0] < b[0] || (a[0] === b[0] && a[1] < b[1]);123}124/** @internal */125export function isStrictlySmaller64(a: ArrayInt64, b: ArrayInt64): boolean {126 if (a.sign === b.sign) {127 return a.sign === 1128 ? isStrictlySmaller64Internal(a.data, b.data) // a.sign = +1, b.sign = +1129 : isStrictlySmaller64Internal(b.data, a.data); // a.sign = -1, b.sign = -1130 }131 // a.sign = +1, b.sign = -1 is always false132 return a.sign === -1 && (!isZero64(a) || !isZero64(b)); // a.sign = -1, b.sign = +1133}134/** @internal */135export function clone64(a: ArrayInt64): ArrayInt64 {136 return { sign: a.sign, data: [a.data[0], a.data[1]] };137}138/** @internal */139function substract64DataInternal(a: ArrayInt64["data"], b: ArrayInt64["data"]): ArrayInt64["data"] {140 let reminderLow = 0;141 let low = a[1] - b[1];142 if (low < 0) {143 reminderLow = 1;144 low = low >>> 0;145 }146 return [a[0] - b[0] - reminderLow, low];147}148/**149 * Expects a >= b150 * @internal151 */152function substract64Internal(a: ArrayInt64, b: ArrayInt64): ArrayInt64 {153 if (a.sign === 1 && b.sign === -1) {154 // Operation is a simple sum of a + abs(b)155 const low = a.data[1] + b.data[1];156 const high = a.data[0] + b.data[0] + (low > 0xffffffff ? 1 : 0);157 return { sign: 1, data: [high >>> 0, low >>> 0] };158 }159 // a.sign === -1 with b.sign === 1 is impossible given: a - b >= 0, except for a = 0 and b = 0160 // Operation is a substraction161 return {162 sign: 1,163 data: a.sign === 1 ? substract64DataInternal(a.data, b.data) : substract64DataInternal(b.data, a.data),164 };165}166/**167 * Substract two ArrayInt64168 * @returns When result is zero always with sign=1169 * @internal170 */171export function substract64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {172 if (isStrictlySmaller64(arrayIntA, arrayIntB)) {173 const out = substract64Internal(arrayIntB, arrayIntA);174 out.sign = -1;175 return out;176 }177 return substract64Internal(arrayIntA, arrayIntB);178}179/**180 * Negative version of an ArrayInt64181 * @internal182 */183export function negative64(arrayIntA: ArrayInt64): ArrayInt64 {184 return {185 sign: -arrayIntA.sign as -1 | 1,186 data: [arrayIntA.data[0], arrayIntA.data[1]],187 };188}189/**190 * Add two ArrayInt64191 * @returns When result is zero always with sign=1192 * @internal193 */194export function add64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {195 if (isZero64(arrayIntB)) {196 if (isZero64(arrayIntA)) {197 return clone64(Zero64);198 }199 return clone64(arrayIntA);200 }201 return substract64(arrayIntA, negative64(arrayIntB));202}203/**204 * Halve an ArrayInt64205 * @internal206 */207export function halve64(a: ArrayInt64): ArrayInt64 {208 return {209 sign: a.sign,210 data: [Math.floor(a.data[0] / 2), (a.data[0] % 2 === 1 ? 0x80000000 : 0) + Math.floor(a.data[1] / 2)],211 };212}213/**214 * Apply log2 to an ArrayInt64 (preserve sign)215 * @internal216 */217export function logLike64(a: ArrayInt64): ArrayInt64 {218 // Math.floor(Math.log(hi * 2**32 + low) / Math.log(2)) <= Math.floor(Math.log(2**64) / Math.log(2)) = 64219 return {220 sign: a.sign,221 data: [0, Math.floor(Math.log(a.data[0] * 0x100000000 + a.data[1]) / Math.log(2))],222 };223}224/** @internal */225const INDEX_POSITIVE_INFINITY: ArrayInt64 = { sign: 1, data: [2146435072, 0] }; // doubleToIndex(Number.MAX_VALUE) + 1;226/** @internal */227const INDEX_NEGATIVE_INFINITY: ArrayInt64 = { sign: -1, data: [2146435072, 1] }; // doubleToIndex(-Number.MAX_VALUE) - 1228/**229 * Decompose a 64-bit floating point number into a significand and exponent230 * such that:231 * - significand over 53 bits including sign (also referred as fraction)232 * - exponent over 11 bits including sign233 * - whenever there are multiple possibilities we take the one having the highest significand (in abs)234 * - Number.MAX_VALUE = 2**1023 * (1 + (2**52-1)/2**52)235 * = 2**1023 * (2 - Number.EPSILON)236 * - Number.MIN_VALUE = 2**(-1022) * 2**(-52)237 * - Number.EPSILON = 2**(-52)238 *239 * @param d - 64-bit floating point number to be decomposed into (significand, exponent)240 *241 * @internal242 */243export function decomposeDouble(d: number): { exponent: number; significand: number } {244 // 1 => significand 0b1 - exponent 1 (will be preferred)245 // => significand 0b0.1 - exponent 2246 const maxSignificand = 2 - Number.EPSILON;247 for (let exponent = -1022; exponent !== 1024; ++exponent) {248 const powExponent = 2 ** exponent;249 const maxForExponent = maxSignificand * powExponent;250 if (Math.abs(d) <= maxForExponent) {251 return { exponent, significand: d / powExponent };252 }253 }254 return { exponent: Number.NaN, significand: Number.NaN };255}256/** @internal */257function positiveNumberToInt64(n: number): ArrayInt64["data"] {258 return [~~(n / 0x100000000), n >>> 0];259}260/** @internal */261function indexInDoubleFromDecomp(exponent: number, significand: number): ArrayInt64["data"] {262 // WARNING: significand >= 0263 // By construct of significand in decomposeDouble,264 // significand is always max-ed.265 // The double close to zero are the only one having a significand <1, they also have an exponent of -1022.266 // They are in range: [2**(-1022) * 2**(-52), 2**(-1022) * (2 - 2 ** 52)]267 // In other words there are 2**53 elements in that range if we include zero.268 // All other ranges (other exponents) have a length of 2**52 elements.269 if (exponent === -1022) {270 // We want the significand to be an integer value (like an index)271 const rescaledSignificand = significand * 2 ** 52; // significand * 2**52272 return positiveNumberToInt64(rescaledSignificand);273 }274 // Offset due to exp = -1022 + Offset of previous exp (excl. -1022) + Offset in current exp275 // 2**53 + (exponent - (-1022) -1) * 2**52 + (significand - 1) * 2**52276 // (exponent + 1023) * 2**52 + (significand - 1) * 2**52277 const rescaledSignificand = (significand - 1) * 2 ** 52; // (significand-1) * 2**52278 const exponentOnlyHigh = (exponent + 1023) * 2 ** 20; // (exponent + 1023) * 2**52 => [high: (exponent + 1023) * 2**20, low: 0]279 const index = positiveNumberToInt64(rescaledSignificand);280 index[0] += exponentOnlyHigh;281 return index;282}283/**284 * Compute the index of d relative to other available 64-bit floating point numbers285 * Rq: Produces negative indexes for negative doubles286 *287 * @param d - 64-bit floating point number, anything except NaN288 *289 * @internal290 */291export function doubleToIndex(d: number): ArrayInt64 {292 if (d === Number.POSITIVE_INFINITY) {293 return clone64(INDEX_POSITIVE_INFINITY);294 }295 if (d === Number.NEGATIVE_INFINITY) {296 return clone64(INDEX_NEGATIVE_INFINITY);297 }298 const decomp = decomposeDouble(d);299 const exponent = decomp.exponent;300 const significand = decomp.significand;301 if (d > 0 || (d === 0 && 1 / d === Number.POSITIVE_INFINITY)) {302 return { sign: 1, data: indexInDoubleFromDecomp(exponent, significand) };303 } else {304 const indexOpposite = indexInDoubleFromDecomp(exponent, -significand);305 if (indexOpposite[1] === 0xffffffff) {306 indexOpposite[0] += 1;307 indexOpposite[1] = 0;308 } else {309 indexOpposite[1] += 1;310 }311 return { sign: -1, data: indexOpposite }; // -indexInDoubleFromDecomp(exponent, -significand) - 1312 }313}314/**315 * Compute the 64-bit floating point number corresponding to the provided indexes316 *317 * @param n - index of the double318 *319 * @internal320 */321export function indexToDouble(index: ArrayInt64): number {322 if (index.sign === -1) {323 const indexOpposite: ArrayInt64 = { sign: 1, data: [index.data[0], index.data[1]] };324 if (indexOpposite.data[1] === 0) {325 indexOpposite.data[0] -= 1;326 indexOpposite.data[1] = 0xffffffff;327 } else {328 indexOpposite.data[1] -= 1;329 }330 return -indexToDouble(indexOpposite); // -indexToDouble(-index - 1);331 }332 if (isEqual64(index, INDEX_POSITIVE_INFINITY)) {333 return Number.POSITIVE_INFINITY;334 }335 if (index.data[0] < 0x200000) {336 // if: index < 2 ** 53 <--> index[0] < 2 ** (53-32) = 0x20_0000337 // The first 2**53 elements correspond to values having338 // exponent = -1022 and significand = index * Number.EPSILON339 // double value = index * 2 ** -1022 * Number.EPSILON340 // = index * 2 ** -1022 * 2 ** -52341 // = index * 2 ** -1074342 return (index.data[0] * 0x100000000 + index.data[1]) * 2 ** -1074;343 }344 const postIndexHigh = index.data[0] - 0x200000; // postIndex = index - 2 ** 53345 // exponent = -1021 + Math.floor(postIndex / 2**52)346 // = -1021 + Math.floor(postIndexHigh / 2**(52-32))347 // = -1021 + Math.floor(postIndexHigh / 2**20)348 // = -1021 + (postIndexHigh >> 20)349 const exponent = -1021 + (postIndexHigh >> 20);350 // significand = 1 + (postIndex % 2**52) / 2**52351 // = 1 + ((postIndexHigh * 2**32 + postIndexLow) % 2**52) / 2**52352 // = 1 + ((postIndexHigh % 2**20) * 2**32 + postIndexLow) / 2**52353 // = 1 + ((postIndexHigh & 0xfffff) * 2**32 + postIndexLow) / 2**52354 // = 1 + ((postIndexHigh & 0xfffff) * 2**32 + postIndexLow) * Number.EPSILON355 const significand = 1 + ((postIndexHigh & 0xfffff) * 2 ** 32 + index.data[1]) * Number.EPSILON;356 return significand * 2 ** exponent;357}358/**359 * Same as {@link doubleToIndex} except it throws in case of invalid double360 *361 * @internal362 */363export function safeDoubleToIndex(d: number, label: string): IO<never, never, ArrayInt64> {364 if (Number.isNaN(d)) {365 // Number.NaN does not have any associated index in the current implementation366 return IO.haltNow(new Error("fc.doubleNext constraints." + label + " must be a 32-bit float"));367 }368 return IO.succeedNow(doubleToIndex(d));369}370const EPSILON = Math.pow(2, -52);371const MAX_VALUE = (2 - EPSILON) * Math.pow(2, 1023);372const MIN_VALUE = Math.pow(2, -1022);373export function nextUp(x: number) {374 if (x !== x) {375 return x;376 }377 if (x === -1 / 0) {378 return -MAX_VALUE;379 }380 if (x === +1 / 0) {381 return +1 / 0;382 }383 if (x === +MAX_VALUE) {384 return +1 / 0;385 }386 let y = x * (x < 0 ? 1 - EPSILON / 2 : 1 + EPSILON);387 if (y === x) {388 y = MIN_VALUE * EPSILON > 0 ? x + MIN_VALUE * EPSILON : x + MIN_VALUE;389 }390 if (y === +1 / 0) {391 y = +MAX_VALUE;392 }393 const b = x + (y - x) / 2;394 if (x < b && b < y) {395 y = b;396 }397 const c = (y + x) / 2;398 if (x < c && c < y) {399 y = c;400 }401 return y === 0 ? -0 : y;402}403export function nextAfter(x: number, y: number) {404 return y < x ? -nextUp(-x) : y > x ? nextUp(x) : x !== x ? x : y;405}406export function computeBiasedRanges(407 min: ArrayInt64,408 max: ArrayInt64,409 biasedRanges?: { min: ArrayInt64; max: ArrayInt64 }[],410): { min: ArrayInt64; max: ArrayInt64 }[] {411 if (biasedRanges != null) {412 return biasedRanges;413 }414 if (isEqual64(min, max)) {415 return [{ min, max }];416 }417 const minStrictlySmallerThanZero = isStrictlyNegative64(min);418 const maxStrictlyGreaterThanZero = isStrictlyPositive64(max);419 if (minStrictlySmallerThanZero && maxStrictlyGreaterThanZero) {420 const logMin = logLike64(min);421 const logMax = logLike64(max);422 return [423 { min: logMin, max: logMax },424 { min: substract64(max, logMax), max },425 { min, max: substract64(min, logMin) },426 ];427 } else {428 const logGap = logLike64(substract64(max, min));429 const closeToMin = { min, max: add64(min, logGap) };430 const closeToMax = { min: substract64(max, logGap), max };431 return minStrictlySmallerThanZero ? [closeToMax, closeToMin] : [closeToMin, closeToMax];432 }433}434export function computeArrayInt64GenerateRange(435 min: ArrayInt64,436 max: ArrayInt64,437 biasFactor: number | undefined,438 biasedRanges: { min: ArrayInt64; max: ArrayInt64 }[] | undefined,439): UIO<{ min: ArrayInt64; max: ArrayInt64 }> {440 return IO.gen(function* (_) {441 if (biasFactor === undefined || (yield* _(Random.nextIntBetween(1, biasFactor))) !== 1) {442 return { min, max };443 }444 const ranges = computeBiasedRanges(min, max, biasedRanges);445 if (ranges.length === 1) {446 return ranges[0]!;447 }448 const id = yield* _(Random.nextIntBetween(-2 * (ranges.length - 1), ranges.length - 2));449 return id < 0 ? ranges[0]! : ranges[id + 1]!;450 });451}452export function clamp(n: number, min: number, max: number): number {453 return n < min ? min : n > max ? max : n;...
LegendUtils.js
Source:LegendUtils.js
1import _ from 'lodash'2class LegendUtils {3 static normalizedZtoRadius (scale, normalizedZ) {4 // z values are multiplied by the point size and a constant multiplier (50/3)5 // the constant multiplier makes LabeledScatter behave consistently with flipStandardCharts::Scatter6 // it means that when point.radius = 3 (default), the largest marker will have a radius of 50 pixels7 return (Math.sqrt(normalizedZ / Math.PI) * scale * 50 / 3)8 }9 static getLegendBubbles (maxZ, zPrefix, zSuffix) {10 const bubbleSizes = this.getLegendBubbleSizes(maxZ)11 const bubbleLabels = this.getLegendBubbleLabels(bubbleSizes, zPrefix, zSuffix)12 const legendBubbles = {13 large: {14 size: bubbleSizes[0],15 label: bubbleLabels[0],16 },17 medium: {18 size: bubbleSizes[1],19 label: bubbleLabels[1],20 },21 small: {22 size: bubbleSizes[2],23 label: bubbleLabels[2],24 },25 maxSize: Math.max(maxZ, bubbleSizes[0]),26 }27 return legendBubbles28 }29 static getLegendBubbleSizes (maxZ) {30 const significands = this.getBubbleSizeSignificands(maxZ)31 const exponent = this.getExponent(maxZ)32 return significands.map(x => x * (10 ** exponent))33 }34 static getBubbleSizeSignificands (maxZ) {35 const significand = this.getSignificand(maxZ)36 const maxSignificand = this.roundSignificand(significand)37 if (maxSignificand === 10) {38 return [maxSignificand, 5, 1]39 } else if (maxSignificand === 7) {40 return [maxSignificand, 3, 1]41 } else if (maxSignificand >= 6) {42 return [maxSignificand, 3, 1]43 } else if (maxSignificand === 5) {44 return [maxSignificand, 2, 0.5]45 } else if (maxSignificand === 4) {46 return [maxSignificand, 2, 0.5]47 } else if (maxSignificand === 3) {48 return [maxSignificand, 1.5, 0.5]49 } else if (maxSignificand === 2) {50 return [maxSignificand, 1, 0.2]51 } else if (maxSignificand === 1.5) {52 return [maxSignificand, 0.7, 0.2]53 } else { // maxSignificand === 154 return [maxSignificand, 0.5, 0.1] // consistent with maxSignificand == 1055 }56 }57 // Returns 10, 7, 6, 5, 4, 3, 2, 1.5 or 1 (exclude 8 and 9 because it is better to round those up to 10)58 static roundSignificand (significand) {59 if (significand >= 8) {60 return 1061 } else if (significand >= 7.5) {62 return 763 } else if (significand >= 2) {64 return Math.round(significand)65 } else {66 return Math.round(2 * significand) / 267 }68 }69 // For example if value is 123.45, then this returns 1.234570 static getSignificand (value) {71 return Number(value.toExponential().split('e')[0])72 }73 static getExponent (value) {74 return Number(value.toExponential().split('e')[1])75 }76 static getLegendBubbleLabels (bubbleSizes, prefix, suffix) {77 const oneThousand = 10 ** 378 const oneMillion = 10 ** 679 const oneBillion = 10 ** 980 const oneTrillion = 10 ** 1281 if (bubbleSizes[0] >= oneTrillion) {82 return bubbleSizes.map(x => this.formatBubbleSize(x, oneTrillion, 'T', prefix, suffix))83 } else if (bubbleSizes[0] >= oneBillion) {84 return bubbleSizes.map(x => this.formatBubbleSize(x, oneBillion, 'B', prefix, suffix))85 } else if (bubbleSizes[0] >= oneMillion) {86 return bubbleSizes.map(x => this.formatBubbleSize(x, oneMillion, 'M', prefix, suffix))87 } else if (bubbleSizes[0] >= oneThousand) {88 return bubbleSizes.map(x => this.formatBubbleSize(x, oneThousand, 'K', prefix, suffix))89 } else { // bubbleSizes[0] < 100090 return bubbleSizes.map(x => this.formatBubbleSize(x, 1, '', prefix, suffix))91 }92 }93 static formatBubbleSize (bubbleSize, denominator, denominatorLetter, prefix, suffix) {94 // Round to 2 significant figures to avoid numerical issues when formatting as string95 // The bubble sizes have no more than 2 significant figures96 const denominatedSize = Number((bubbleSize / denominator).toPrecision(2))97 return prefix + this.removePrecedingZero(denominatedSize.toString()) + denominatorLetter + suffix98 }99 static removePrecedingZero (label) {100 if (_.isString(label) && label.charAt(0) === '0') {101 return label.substring(1, label.length)102 } else {103 return label104 }105 }106 static normalizeZValues (Z, maxZ) {107 return _.map(Z, (z) => {108 return z / maxZ109 })110 }111 static setupBubbles (vb, legendBubbles, legend, pointRadius) {112 const rTop = this.normalizedZtoRadius(pointRadius, legendBubbles.large.size / legendBubbles.maxSize)113 const rMid = this.normalizedZtoRadius(pointRadius, legendBubbles.medium.size / legendBubbles.maxSize)114 const rBot = this.normalizedZtoRadius(pointRadius, legendBubbles.small.size / legendBubbles.maxSize)115 const cx = vb.x + vb.width + (legend.getWidth() / 2)116 const viewBoxYBottom = vb.y + vb.height117 const bubbleTextPadding = 2118 legend.setBubblesMaxWidth(rTop * 2)119 legend.setBubbles([120 {121 cx,122 cy: viewBoxYBottom - rTop,123 r: rTop,124 x: cx,125 y: viewBoxYBottom - (2 * rTop) - bubbleTextPadding,126 text: legendBubbles.large.label,127 },128 {129 cx,130 cy: viewBoxYBottom - rMid,131 r: rMid,132 x: cx,133 y: viewBoxYBottom - (2 * rMid) - bubbleTextPadding,134 text: legendBubbles.medium.label,135 },136 {137 cx,138 cy: viewBoxYBottom - rBot,139 r: rBot,140 x: cx,141 y: viewBoxYBottom - (2 * rBot) - bubbleTextPadding,142 text: legendBubbles.small.label,143 },144 ])145 legend.setBubblesTitle([146 {147 x: cx,148 y: viewBoxYBottom - (2 * rTop) - bubbleTextPadding,149 },150 ])151 }152}...
FloatHelpers.ts
Source:FloatHelpers.ts
1const safeNumberIsInteger = Number.isInteger;2const safeNumberIsNaN = Number.isNaN;3const safeNegativeInfinity = Number.NEGATIVE_INFINITY;4const safePositiveInfinity = Number.POSITIVE_INFINITY;5const safeNaN = Number.NaN;6/** @internal */7export const MIN_VALUE_32 = 2 ** -126 * 2 ** -23;8/** @internal */9export const MAX_VALUE_32 = 2 ** 127 * (1 + (2 ** 23 - 1) / 2 ** 23);10/** @internal */11export const EPSILON_32 = 2 ** -23;12/** @internal */13const INDEX_POSITIVE_INFINITY = 2139095040; // floatToIndex(MAX_VALUE_32) + 1;14/** @internal */15const INDEX_NEGATIVE_INFINITY = -2139095041; // floatToIndex(-MAX_VALUE_32) - 116/**17 * Decompose a 32-bit floating point number into a significand and exponent18 * such that:19 * - significand over 24 bits including sign (also referred as fraction)20 * - exponent over 8 bits including sign21 * - whenever there are multiple possibilities we take the one having the highest significand (in abs)22 *23 * Remark in 64-bit floating point number:24 * - significand is over 53 bits including sign25 * - exponent is over 11 bits including sign26 * - Number.MAX_VALUE = 2**1023 * (1 + (2**52-1)/2**52)27 * - Number.MIN_VALUE = 2**(-1022) * 2**(-52)28 * - Number.EPSILON = 2**(-52)29 *30 * @param f - 32-bit floating point number to be decomposed into (significand, exponent)31 *32 * @internal33 */34export function decomposeFloat(f: number): { exponent: number; significand: number } {35 // 1 => significand 0b1 - exponent 1 (will be preferred)36 // => significand 0b0.1 - exponent 237 const maxSignificand = 1 + (2 ** 23 - 1) / 2 ** 23;38 for (let exponent = -126; exponent !== 128; ++exponent) {39 const powExponent = 2 ** exponent;40 const maxForExponent = maxSignificand * powExponent;41 if (Math.abs(f) <= maxForExponent) {42 return { exponent, significand: f / powExponent };43 }44 }45 return { exponent: safeNaN, significand: safeNaN };46}47/** @internal */48function indexInFloatFromDecomp(exponent: number, significand: number) {49 // WARNING: significand >= 050 // By construct of significand in decomposeFloat,51 // significand is always max-ed.52 // The float close to zero are the only one having a significand <1, they also have an exponent of -126.53 // They are in range: [2**(-126) * 2**(-23), 2**(-126) * (2 - 2 ** 23)]54 // In other words there are 2**24 elements in that range if we include zero.55 // All other ranges (other exponents) have a length of 2**23 elements.56 if (exponent === -126) {57 return significand * 0x800000; // significand * 2**2358 }59 // Offset due to exp = -126 + Offset of previous exp (excl. -126) + Offset in current exp60 // 2**24 + (exponent - (-126) -1) * 2**23 + (significand - 1) * 2**2361 return (exponent + 127) * 0x800000 + (significand - 1) * 0x800000;62}63/**64 * Compute the index of f relative to other available 32-bit floating point numbers65 * Rq: Produces negative indexes for negative floats66 *67 * @param f - 32-bit floating point number68 *69 * @internal70 */71export function floatToIndex(f: number): number {72 if (f === safePositiveInfinity) {73 return INDEX_POSITIVE_INFINITY;74 }75 if (f === safeNegativeInfinity) {76 return INDEX_NEGATIVE_INFINITY;77 }78 const decomp = decomposeFloat(f);79 const exponent = decomp.exponent;80 const significand = decomp.significand;81 if (safeNumberIsNaN(exponent) || safeNumberIsNaN(significand) || !safeNumberIsInteger(significand * 0x800000)) {82 return safeNaN;83 }84 if (f > 0 || (f === 0 && 1 / f === safePositiveInfinity)) {85 return indexInFloatFromDecomp(exponent, significand);86 } else {87 return -indexInFloatFromDecomp(exponent, -significand) - 1;88 }89}90/**91 * Compute the 32-bit floating point number corresponding to the provided indexes92 *93 * @param n - index of the float94 *95 * @internal96 */97export function indexToFloat(index: number): number {98 if (index < 0) {99 return -indexToFloat(-index - 1);100 }101 if (index === INDEX_POSITIVE_INFINITY) {102 return safePositiveInfinity;103 }104 if (index < 0x1000000) {105 // The first 2**24 elements correspond to values having106 // exponent = -126 and significand = index * 2**(-23)107 return index * 2 ** -149;108 }109 const postIndex = index - 0x1000000;110 // Math.floor(postIndex / 0x800000) = Math.floor(postIndex / 2**23) = (postIndex >> 23)111 const exponent = -125 + (postIndex >> 23);112 // (postIndex % 0x800000) / 0x800000 = (postIndex & 0x7fffff) / 0x800000113 const significand = 1 + (postIndex & 0x7fffff) / 0x800000;114 return significand * 2 ** exponent;...
Using AI Code Generation
1const {maxSignificand} = require('fast-check-monorepo');2console.log(maxSignificand(5));3const {maxSignificand} = require('fast-check-monorepo');4console.log(maxSignificand(5));5const {maxSignificand} = require('fast-check-monorepo');6console.log(maxSignificand(5));7const {maxSignificand} = require('fast-check-monorepo');8console.log(maxSignificand(5));9const {maxSignificand} = require('fast-check-monorepo');10console.log(maxSignificand(5));11const {maxSignificand} = require('fast-check-monorepo');12console.log(maxSignificand(5));13const {maxSignificand} = require('fast-check-monorepo');14console.log(maxSignificand(5));15const {maxSignificand} = require('fast-check-monorepo');16console.log(maxSignificand(5));17const {maxSignificand} = require('fast-check-monorepo');18console.log(maxSignificand(5));19const {maxSignificand} = require('fast-check-monorepo');20console.log(maxSignificand(5));21const {maxSignificand} = require('fast-check-monorepo');
Using AI Code Generation
1import {maxSignificand} from 'fast-check-monorepo'2console.log(maxSignificand(1, 2))3import {maxSignificand} from 'fast-check-monorepo'4console.log(maxSignificand(1, 2))5import {maxSignificand} from 'fast-check-monorepo'6console.log(maxSignificand(1, 2))7import {maxSignificand} from 'fast-check-monorepo'8console.log(maxSignificand(1, 2))9import {maxSignificand} from 'fast-check-monorepo'10console.log(maxSignificand(1, 2))11import {maxSignificand} from 'fast-check-monorepo'12console.log(maxSignificand(1, 2))13import {maxSignificand} from 'fast-check-monorepo'14console.log(maxSignificand(1, 2))15import {maxSignificand} from 'fast-check-monorepo'16console.log(maxSignificand(1, 2))17import {maxSignificand} from 'fast-check-monorepo'18console.log(maxSignificand(1, 2))19import {maxSignificand} from 'fast-check-monorepo'20console.log(maxSignificand(1, 2))
Using AI Code Generation
1const fc = require('fast-check')2const { maxSignificand } = require('fast-check/lib/arbitrary/helpers/FloatArbitraryHelpers.js')3console.log(maxSignificand(1, 8))4console.log(maxSignificand(1, 16))5console.log(maxSignificand(1, 24))6console.log(maxSignificand(1, 32))7const fc = require('fast-check')8const { maxSignificand } = require('fast-check/lib/arbitrary/helpers/FloatArbitraryHelpers.js')9console.log(maxSignificand(1, 8))10console.log(maxSignificand(1, 16))11console.log(maxSignificand(1, 24))12console.log(maxSignificand(1, 32))13const fc = require('fast-check')14const { maxSignificand } = require('fast-check/lib/arbitrary/helpers/FloatArbitraryHelpers.js')15console.log(maxSignificand(1, 8))16console.log(maxSignificand(1, 16))17console.log(maxSignificand(1, 24))18console.log(maxSignificand(1, 32))19const fc = require('fast-check')20const { maxSignificand } = require('fast-check/lib/arbitrary/helpers/FloatArbitraryHelpers.js')21console.log(maxSignificand(1, 8))22console.log(maxSignificand(1, 16))23console.log(maxSignificand(1, 24))24console.log(maxSignificand(1, 32))25const fc = require('fast-check')26const { maxSignificand } = require('fast-check/lib/arbitrary/helpers/FloatArbitraryHelpers.js')27console.log(maxSignificand(1, 8))28console.log(maxSignificand(1, 16))29console.log(maxSignificand(1, 24))30console.log(maxSignificand(1, 32))
Using AI Code Generation
1const fc = require('fast-check')2const {maxSignificand} = require('fast-check-monorepo')3test('maxSignificand', () => {4 fc.assert(5 fc.property(fc.integer(), (n) => {6 if (n >= 0) {7 expect(maxSignificand(n)).toBe(Math.pow(10, n) - 1)8 } else {9 expect(maxSignificand(n)).toBe(0)10 }11 })12})
Using AI Code Generation
1const fc = require('fast-check');2const {maxSignificand} = require('fast-check-monorepo');3const {maxSignificand} = require('fast-check-monorepo');4const min = 1;5const max = 10;6const test = fc.property(fc.integer(min, max), (x) => {7 return x >= min && x <= max;8});9fc.assert(test, { numRuns: 1000 });10const fc = require('fast-check');11const {maxSignificand} = require('fast-check-monorepo');12const min = 1;13const max = 10;14const test = fc.property(fc.integer(min, max), (x) => {15 return x >= min && x <= max;16});17fc.assert(test, { numRuns: 1000 });18const fc = require('fast-check');19const {maxSignificand} = require('fast-check-monorepo');20const min = 1;21const max = 10;22const test = fc.property(fc.integer(min, max), (x) => {23 return x >= min && x <= max;24});25fc.assert(test, { numRuns: 1000 });26const fc = require('fast-check');27const {maxSignificand} = require('fast-check-monorepo');28const min = 1;29const max = 10;30const test = fc.property(fc.integer(min, max), (x) => {31 return x >= min && x <= max;32});33fc.assert(test, { numRuns: 1000 });34const fc = require('fast-check');35const {maxSignificand} = require('fast-check-monorepo');36const min = 1;37const max = 10;38const test = fc.property(fc.integer(min, max), (x) => {39 return x >= min && x <= max;40});41fc.assert(test, { numRuns: 1000 });42const fc = require('fast-check');43const {maxSignificand} = require('fast-check-monorepo');
Using AI Code Generation
1const fc = require('fast-check');2const {maxSignificand} = require('fast-check-monorepo');3test('maxSignificand', () => {4 fc.assert(5 fc.property(fc.float(), fc.float(), (a, b) => {6 const result = maxSignificand(a, b);7 return result >= a && result >= b;8 })9 );10});11const fc = require('fast-check');12const {maxSignificand} = require('fast-check-monorepo');13test('maxSignificand', () => {14 fc.assert(15 fc.property(fc.float(), fc.float(), (a, b) => {16 const result = maxSignificand(a, b);17 return result >= a && result >= b;18 })19 );20});21const fc = require('fast-check');22const {maxSignificand} = require('fast-check-monorepo');23test('maxSignificand', () => {24 fc.assert(25 fc.property(fc.float(), fc.float(), (a, b) => {26 const result = maxSignificand(a, b);27 return result >= a && result >= b;28 })29 );30});31const fc = require('fast-check');32const {maxSignificand} = require('fast-check-monorepo');33test('maxSignificand', () => {34 fc.assert(35 fc.property(fc.float(), fc.float(), (a, b) => {36 const result = maxSignificand(a, b);37 return result >= a && result >= b;38 })39 );40});41const fc = require('fast-check');42const {maxSignificand} = require('fast-check-monorepo');
Using AI Code Generation
1const fc = require('fast-check');2const { maxSignificand } = require('fast-check-monorepo');3const maxSigGen = maxSignificand(3);4fc.assert(fc.property(maxSigGen, (n) => {5 const numDigits = n.toString().length - 1;6 return numDigits <= 3;7}));
Using AI Code Generation
1const fc = require('fast-check');2const assert = require('assert');3const maxSignificand = require('./maxSignificand');4const isInteger = (v) => Number.isInteger(v) && v >= 0;5const isPositive = (v) => v > 0;6describe('maxSignificand', () => {7 it('should return 1 when input is 0', () => {8 assert.strictEqual(maxSignificand(0), 1);9 });10 it('should return 1 when input is 1', () => {11 assert.strictEqual(maxSignificand(1), 1);12 });13 it('should return 1 when input is 2', () => {14 assert.strictEqual(maxSignificand(2), 1);15 });16 it('should return 2 when input is 3', () => {17 assert.strictEqual(maxSignificand(3), 2);18 });19 it('should return 2 when input is 4', () => {20 assert.strictEqual(maxSignificand(4), 2);21 });22 it('should return 3 when input is 5', () => {23 assert.strictEqual(maxSignificand(5), 3);24 });25 it('should return 3 when input is 6', () => {26 assert.strictEqual(maxSignificand(6), 3);27 });28 it('should return 4 when input is 7', () => {29 assert.strictEqual(maxSignificand(7), 4);30 });31 it('should return 4 when input is 8', () => {32 assert.strictEqual(maxSignificand(8), 4);33 });34 it('should return 5 when input is 9', () => {35 assert.strictEqual(maxSignificand(9), 5);36 });37 it('should return 5 when input is 10', () => {38 assert.strictEqual(maxSignificand(10), 5);39 });40 it('should return 6 when input is 11', () => {41 assert.strictEqual(maxSignificand(11), 6);42 });43 it('should return 6 when input is 12', () => {44 assert.strictEqual(maxSignificand(12), 6);45 });46 it('should return 7 when input is
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