How to use isZero64 method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

math.ts

Source:math.ts

...102export const Zero64: ArrayInt64 = { sign: 1, data: [0, 0] }103/** @internal */104export const Unit64: ArrayInt64 = { sign: 1, data: [0, 1] }105/** @internal */106export function isZero64(a: ArrayInt64): boolean {107  return a.data[0] === 0 && a.data[1] === 0108}109/** @internal */110export function isStrictlyNegative64(a: ArrayInt64): boolean {111  return a.sign === -1 && !isZero64(a)112}113/** @internal */114export function isStrictlyPositive64(a: ArrayInt64): boolean {115  return a.sign === 1 && !isZero64(a)116}117/** @internal */118export function isEqual64(a: ArrayInt64, b: ArrayInt64): boolean {119  if (a.data[0] === b.data[0] && a.data[1] === b.data[1]) {120    return a.sign === b.sign || (a.data[0] === 0 && a.data[1] === 0) // either the same or both zero121  }122  return false123}124/** @internal */125function isStrictlySmaller64Internal(a: ArrayInt64['data'], b: ArrayInt64['data']): boolean {126  return a[0] < b[0] || (a[0] === b[0] && a[1] < b[1])127}128/** @internal */129export function isStrictlySmaller64(a: ArrayInt64, b: ArrayInt64): boolean {130  if (a.sign === b.sign) {131    return a.sign === 1132      ? isStrictlySmaller64Internal(a.data, b.data) // a.sign = +1, b.sign = +1133      : isStrictlySmaller64Internal(b.data, a.data) // a.sign = -1, b.sign = -1134  }135  // a.sign = +1, b.sign = -1 is always false136  return a.sign === -1 && (!isZero64(a) || !isZero64(b)) // a.sign = -1, b.sign = +1137}138/** @internal */139export function clone64(a: ArrayInt64): ArrayInt64 {140  return { sign: a.sign, data: [a.data[0], a.data[1]] }141}142/** @internal */143function substract64DataInternal(a: ArrayInt64['data'], b: ArrayInt64['data']): ArrayInt64['data'] {144  let reminderLow = 0145  let low         = a[1] - b[1]146  if (low < 0) {147    reminderLow = 1148    low         = low >>> 0149  }150  return [a[0] - b[0] - reminderLow, low]151}152/**153 * Expects a >= b154 * @internal155 */156function substract64Internal(a: ArrayInt64, b: ArrayInt64): ArrayInt64 {157  if (a.sign === 1 && b.sign === -1) {158    // Operation is a simple sum of a + abs(b)159    const low  = a.data[1] + b.data[1]160    const high = a.data[0] + b.data[0] + (low > 0xffffffff ? 1 : 0)161    return { sign: 1, data: [high >>> 0, low >>> 0] }162  }163  // a.sign === -1 with b.sign === 1 is impossible given: a - b >= 0, except for a = 0 and b = 0164  // Operation is a substraction165  return {166    sign: 1,167    data: a.sign === 1 ? substract64DataInternal(a.data, b.data) : substract64DataInternal(b.data, a.data)168  }169}170/**171 * Substract two ArrayInt64172 * @returns When result is zero always with sign=1173 * @internal174 */175export function substract64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {176  if (isStrictlySmaller64(arrayIntA, arrayIntB)) {177    const out = substract64Internal(arrayIntB, arrayIntA)178    out.sign  = -1179    return out180  }181  return substract64Internal(arrayIntA, arrayIntB)182}183/**184 * Negative version of an ArrayInt64185 * @internal186 */187export function negative64(arrayIntA: ArrayInt64): ArrayInt64 {188  return {189    sign: -arrayIntA.sign as -1 | 1,190    data: [arrayIntA.data[0], arrayIntA.data[1]]191  }192}193/**194 * Add two ArrayInt64195 * @returns When result is zero always with sign=1196 * @internal197 */198export function add64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {199  if (isZero64(arrayIntB)) {200    if (isZero64(arrayIntA)) {201      return clone64(Zero64)202    }203    return clone64(arrayIntA)204  }205  return substract64(arrayIntA, negative64(arrayIntB))206}207/**208 * Halve an ArrayInt64209 * @internal210 */211export function halve64(a: ArrayInt64): ArrayInt64 {212  return {213    sign: a.sign,214    data: [Math.floor(a.data[0] / 2), (a.data[0] % 2 === 1 ? 0x80000000 : 0) + Math.floor(a.data[1] / 2)]...

ArrayInt64.ts

Source:ArrayInt64.ts

...4export const Zero64: ArrayInt64 = { sign: 1, data: [0, 0] };5/** @internal */6export const Unit64: ArrayInt64 = { sign: 1, data: [0, 1] };7/** @internal */8export function isZero64(a: ArrayInt64): boolean {9  return a.data[0] === 0 && a.data[1] === 0;10}11/** @internal */12export function isStrictlyNegative64(a: ArrayInt64): boolean {13  return a.sign === -1 && !isZero64(a);14}15/** @internal */16export function isStrictlyPositive64(a: ArrayInt64): boolean {17  return a.sign === 1 && !isZero64(a);18}19/** @internal */20export function isEqual64(a: ArrayInt64, b: ArrayInt64): boolean {21  if (a.data[0] === b.data[0] && a.data[1] === b.data[1]) {22    return a.sign === b.sign || (a.data[0] === 0 && a.data[1] === 0); // either the same or both zero23  }24  return false;25}26/** @internal */27function isStrictlySmaller64Internal(a: ArrayInt64['data'], b: ArrayInt64['data']): boolean {28  return a[0] < b[0] || (a[0] === b[0] && a[1] < b[1]);29}30/** @internal */31export function isStrictlySmaller64(a: ArrayInt64, b: ArrayInt64): boolean {32  if (a.sign === b.sign) {33    return a.sign === 134      ? isStrictlySmaller64Internal(a.data, b.data) // a.sign = +1, b.sign = +135      : isStrictlySmaller64Internal(b.data, a.data); // a.sign = -1, b.sign = -136  }37  // a.sign = +1, b.sign = -1 is always false38  return a.sign === -1 && (!isZero64(a) || !isZero64(b)); // a.sign = -1, b.sign = +139}40/** @internal */41export function clone64(a: ArrayInt64): ArrayInt64 {42  return { sign: a.sign, data: [a.data[0], a.data[1]] };43}44/** @internal */45function substract64DataInternal(a: ArrayInt64['data'], b: ArrayInt64['data']): ArrayInt64['data'] {46  let reminderLow = 0;47  let low = a[1] - b[1];48  if (low < 0) {49    reminderLow = 1;50    low = low >>> 0;51  }52  return [a[0] - b[0] - reminderLow, low];53}54/**55 * Expects a >= b56 * @internal57 */58function substract64Internal(a: ArrayInt64, b: ArrayInt64): ArrayInt64 {59  if (a.sign === 1 && b.sign === -1) {60    // Operation is a simple sum of a + abs(b)61    const low = a.data[1] + b.data[1];62    const high = a.data[0] + b.data[0] + (low > 0xffffffff ? 1 : 0);63    return { sign: 1, data: [high >>> 0, low >>> 0] };64  }65  // a.sign === -1 with b.sign === 1 is impossible given: a - b >= 0, except for a = 0 and b = 066  // Operation is a substraction67  return {68    sign: 1,69    data: a.sign === 1 ? substract64DataInternal(a.data, b.data) : substract64DataInternal(b.data, a.data),70  };71}72/**73 * Substract two ArrayInt6474 * @returns When result is zero always with sign=175 * @internal76 */77export function substract64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {78  if (isStrictlySmaller64(arrayIntA, arrayIntB)) {79    const out = substract64Internal(arrayIntB, arrayIntA);80    out.sign = -1;81    return out;82  }83  return substract64Internal(arrayIntA, arrayIntB);84}85/**86 * Negative version of an ArrayInt6487 * @internal88 */89export function negative64(arrayIntA: ArrayInt64): ArrayInt64 {90  return {91    sign: -arrayIntA.sign as -1 | 1,92    data: [arrayIntA.data[0], arrayIntA.data[1]],93  };94}95/**96 * Add two ArrayInt6497 * @returns When result is zero always with sign=198 * @internal99 */100export function add64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {101  if (isZero64(arrayIntB)) {102    if (isZero64(arrayIntA)) {103      return clone64(Zero64);104    }105    return clone64(arrayIntA);106  }107  return substract64(arrayIntA, negative64(arrayIntB));108}109/**110 * Halve an ArrayInt64111 * @internal112 */113export function halve64(a: ArrayInt64): ArrayInt64 {114  return {115    sign: a.sign,116    data: [Math.floor(a.data[0] / 2), (a.data[0] % 2 === 1 ? 0x80000000 : 0) + Math.floor(a.data[1] / 2)],...

Using AI Code Generation

1var isZero64 = require('@fast-check/is-zero-64');2console.log(isZero64(0));3console.log(isZero64(1));4console.log(isZero64(-1));5console.log(isZero64(0n));6console.log(isZero64(1n));7console.log(isZero64(-1n));8var isZero64 = require('@fast-check/is-zero-64');9console.log(isZero64(0));10console.log(isZero64(1));11console.log(isZero64(-1));12console.log(isZero64(0n));13console.log(isZero64(1n));14console.log(isZero64(-1n));15var isZero64 = require('@fast-check/is-zero-64');16console.log(isZero64(0));17console.log(isZero64(1));18console.log(isZero64(-1));19console.log(isZero64(0n));20console.log(isZero64(1n));21console.log(isZero64(-1n));22var isZero64 = require('@fast-check/is-zero-64');23console.log(isZero64(0));24console.log(isZero64(1));25console.log(isZero64(-1));26console.log(isZero64(0n));27console.log(isZero64(1n));28console.log(isZero64(-1n));29var isZero64 = require('@fast-check/is-zero-64');30console.log(isZero64(0));31console.log(isZero64(1));32console.log(isZero64(-1));33console.log(isZero64(0n));34console.log(isZero64(1n));35console.log(isZero64(-1n));36var isZero64 = require('@fast-check/is-zero-64');37console.log(isZero64(0));38console.log(isZero64(1));39console.log(isZero64(-1));40console.log(isZero64(0n));41console.log(isZero64(1n));42console.log(isZero64(-1

Using AI Code Generation

1var fc = require('fast-check');2var isZero64 = require('fast-check-monorepo').isZero64;3var arb = fc.nat64;4fc.assert(5  fc.property(arb, function (n) {6    return isZero64(n) === (n === 0);7  })8);9var fc = require('fast-check');10var isZero64 = require('fast-check-monorepo').isZero64;11var arb = fc.nat64;12fc.assert(13  fc.property(arb, function (n) {14    return isZero64(n) === (n === 0);15  })16);17var fc = require('fast-check');18var isZero64 = require('fast-check-monorepo').isZero64;19var arb = fc.nat64;20fc.assert(21  fc.property(arb, function (n) {22    return isZero64(n) === (n === 0);23  })24);25var fc = require('fast-check');26var isZero64 = require('fast-check-monorepo').isZero64;27var arb = fc.nat64;28fc.assert(29  fc.property(arb, function (n) {30    return isZero64(n) === (n === 0);31  })32);33var fc = require('fast-check');34var isZero64 = require('fast-check-monorepo').isZero64;35var arb = fc.nat64;36fc.assert(37  fc.property(arb, function (n) {38    return isZero64(n) === (n === 0);39  })40);41var fc = require('fast-check');42var isZero64 = require('fast-check-monorepo').isZero64;43var arb = fc.nat64;44fc.assert(45  fc.property(arb, function (n) {46    return isZero64(n) === (n === 0);47  })48);

Using AI Code Generation

1import { fc, testProp } from "jest-fast-check";2const isZero64 = (value: number) => {3  return value === 0 || value === -0;4};5test("isZero64", () => {6  testProp("isZero64", [fc.float64()], (value) => {7    return isZero64(value) === (value === 0 || value === -0);8  });9});10import { fc, testProp } from "jest-fast-check";11const isZero64 = (value: number) => {12  return value === 0 || value === -0;13};14test("isZero64", () => {15  testProp("isZero64", [fc.float64()], (value) => {16    return isZero64(value) === (value === 0 || value === -0);17  });18});19import { fc, testProp } from "jest-fast-check";20const isZero64 = (value: number) => {21  return value === 0 || value === -0;22};23test("isZero64", () => {24  testProp("isZero64", [fc.float64()], (value) => {25    return isZero64(value) === (value === 0 || value === -0);26  });27});28import { fc, testProp } from "jest-fast-check";29const isZero64 = (value: number) => {30  return value === 0 || value === -0;31};32test("isZero64", () => {33  testProp("isZero64", [fc.float64()], (value) => {34    return isZero64(value) === (value === 0 || value === -0);35  });36});37import { fc, testProp } from "jest-fast-check

Using AI Code Generation

1const fc = require("fast-check-monorepo");2console.log("Hello World!");3console.log("isZero64(0) = " + fc.isZero64(0));4console.log("isZero64(1) = " + fc.isZero64(1));5const fc = require("fast-check-monorepo");6console.log("Hello World!");7console.log("isZero64(0) = " + fc.isZero64(0));8console.log("isZero64(1) = " + fc.isZero64(1));9const fc = require("fast-check-monorepo");10console.log("Hello World!");11console.log("isZero64(0) = " + fc.isZero64(0));12console.log("isZero64(1) = " + fc.isZero64(1));13const fc = require("fast-check-monorepo");14console.log("Hello World!");15console.log("isZero64(0) = " + fc.isZero64(0));16console.log("isZero64(1) = " + fc.isZero64(1));17const fc = require("fast-check-monorepo");18console.log("Hello World!");19console.log("isZero64(0) = " + fc.isZero64(0));20console.log("isZero64(1) = " + fc.isZero64(1));21const fc = require("fast-check-monorepo");22console.log("Hello World!");23console.log("isZero64(0) = " + fc.isZero64(0));24console.log("isZero64(1) = " + fc.isZero64(1));

Using AI Code Generation

1const { isZero64 } = require("fast-check");2const test = isZero64(0n);3console.log(test);4const { isZero64 } = require("fast-check");5const test = isZero64(1n);6console.log(test);7const { isZero64 } = require("fast-check");8const test = isZero64(2n);9console.log(test);10const { isZero64 } = require("fast-check");11const test = isZero64(3n);12console.log(test);13const { isZero64 } = require("fast-check");14const test = isZero64(4n);15console.log(test);16const { isZero64 } = require("fast-check");17const test = isZero64(5n);18console.log(test);19const { isZero64 } = require("fast-check");20const test = isZero64(6n);21console.log(test);22const { isZero64 } = require("fast-check");23const test = isZero64(7n);

Using AI Code Generation

1const fc = require('fast-check');2const { isZero64 } = require('iszero64');3const { bigInt } = require('big-integer');4const assert = require('assert');5const zero64 = bigInt(0);6assert(isZero64(zero64));

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