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How to use float32raw method in fast-check-monorepo
Best JavaScript code snippet using fast-check-monorepo
float.spec.ts
Source:float.spec.ts 
...52 });53 it('should accept any constraits defining min (32-bit float not-NaN) equal to max', () => {54 fc.assert(55 fc.property(56 float32raw(),57 fc.record({ noDefaultInfinity: fc.boolean(), noNaN: fc.boolean() }, { withDeletedKeys: true }),58 (f, otherCt) => {59 // Arrange60 fc.pre(isNotNaN32bits(f));61 spyInteger();62 // Act63 const arb = float({ ...otherCt, min: f, max: f });64 // Assert65 expect(arb).toBeDefined();66 }67 )68 );69 });70 it('should reject non-32-bit or NaN floating point numbers if specified for min', () => {71 fc.assert(72 fc.property(float64raw(), (f64) => {73 // Arrange74 fc.pre(!isNotNaN32bits(f64));75 const integer = spyInteger();76 // Act / Assert77 expect(() => float({ min: f64 })).toThrowError();78 expect(integer).not.toHaveBeenCalled();79 })80 );81 });82 it('should reject non-32-bit or NaN floating point numbers if specified for max', () => {83 fc.assert(84 fc.property(float64raw(), (f64) => {85 // Arrange86 fc.pre(!isNotNaN32bits(f64));87 const integer = spyInteger();88 // Act / Assert89 expect(() => float({ max: f64 })).toThrowError();90 expect(integer).not.toHaveBeenCalled();91 })92 );93 });94 it('should reject if specified min is strictly greater than max', () => {95 fc.assert(96 fc.property(float32raw(), float32raw(), (fa32, fb32) => {97 // Arrange98 fc.pre(isNotNaN32bits(fa32));99 fc.pre(isNotNaN32bits(fb32));100 fc.pre(!Object.is(fa32, fb32)); // Object.is can distinguish -0 from 0, while !== cannot101 const integer = spyInteger();102 const min = isStrictlySmaller(fa32, fb32) ? fb32 : fa32;103 const max = isStrictlySmaller(fa32, fb32) ? fa32 : fb32;104 // Act / Assert105 expect(() => float({ min, max })).toThrowError();106 expect(integer).not.toHaveBeenCalled();107 })108 );109 });110 it('should reject impossible noDefaultInfinity-based ranges', () => {...
FloatHelpers.spec.ts
Source:FloatHelpers.spec.ts
...31 expect(decomposeFloat(1 + EPSILON_32)).toEqual({ exponent: 0, significand: 1 + 2 ** -23 });32 });33 it('should decompose a 32-bit float into its equivalent (significand, exponent)', () => {34 fc.assert(35 fc.property(float32raw(), (f32) => {36 // Arrange37 fc.pre(isFiniteNotNaN32bits(f32));38 // Act39 const { exponent, significand } = decomposeFloat(f32);40 // Assert41 expect(significand * 2 ** exponent).toBe(f32);42 })43 );44 });45});46describe('floatToIndex', () => {47 it('should properly compute indexes', () => {48 expect(floatToIndex(0)).toBe(0);49 expect(floatToIndex(MIN_VALUE_32)).toBe(1);50 expect(floatToIndex(2 * MIN_VALUE_32)).toBe(2);51 expect(floatToIndex(3 * MIN_VALUE_32)).toBe(3);52 // EPSILON_32 === 1. * 2**-23 --> m = 1, e = -2353 // index(EPSILON_32) = 2**24 + (-23 - (-126) -1) * 2**2354 expect(floatToIndex(EPSILON_32)).toBe(872415232);55 // index(1 - EPSILON_32 / 2) = index(1) - 156 expect(floatToIndex(1 - EPSILON_32 / 2)).toEqual(1065353215);57 // 1 === 1. * 2**0 --> m = 1, e = 058 // index(1) = 2**24 + (0 - (-126) -1) * 2**2359 expect(floatToIndex(1)).toEqual(1065353216);60 // index(1 + EPSILON_32) = index(1) + 161 expect(floatToIndex(1 + EPSILON_32)).toEqual(1065353217);62 // index(2 - EPSILON_32) = index(2) - 1 = index(1 + (2 ** 23 - 1) * EPSILON_32)63 expect(floatToIndex(2 - EPSILON_32)).toEqual(1073741823);64 // 1 === 1. * 2**1 --> m = 1, e = 165 // index(2) = index(1) + 2**2366 expect(floatToIndex(2)).toEqual(1073741824);67 expect(floatToIndex(MAX_VALUE_32)).toBe(2139095039);68 });69 it('should properly compute negative indexes', () => {70 expect(floatToIndex(-0)).toEqual(-1);71 expect(floatToIndex(-MIN_VALUE_32)).toBe(-2);72 expect(floatToIndex(-MAX_VALUE_32)).toBe(-2139095040);73 });74 it('should properly compute indexes for infinity', () => {75 expect(floatToIndex(Number.NEGATIVE_INFINITY)).toBe(floatToIndex(-MAX_VALUE_32) - 1);76 expect(floatToIndex(Number.POSITIVE_INFINITY)).toBe(floatToIndex(MAX_VALUE_32) + 1);77 });78 it('should be able to infer index for negative float from the positive one', () => {79 fc.assert(80 fc.property(float32raw(), (f) => {81 // Arrange82 fc.pre(isNotNaN32bits(f));83 const posD = f > 0 || 1 / f > 0 ? f : -f;84 // Act85 const indexPos = floatToIndex(posD);86 const indexNeg = floatToIndex(-posD);87 // Assert88 expect(indexNeg).toEqual(-indexPos - 1);89 })90 );91 });92 it('should return index +1 for the successor of a given float', () => {93 fc.assert(94 fc.property(95 fc.integer({ min: -126, max: +127 }),96 fc.integer({ min: 0, max: 2 ** 24 - 1 }),97 (exponent, rescaledSignificand) => {98 // Arrange99 fc.pre(exponent === -126 || rescaledSignificand >= 2 ** 23); // valid100 fc.pre(exponent !== 127 || rescaledSignificand !== 2 ** 24 - 1); // not max101 const current = rescaledSignificand * EPSILON_32 * 2 ** exponent;102 const next = (rescaledSignificand + 1) * EPSILON_32 * 2 ** exponent;103 // Act / Assert104 expect(floatToIndex(next)).toEqual(floatToIndex(current) + 1);105 }106 )107 );108 });109 it('should preserve ordering between two floats', () => {110 fc.assert(111 fc.property(float32raw(), float32raw(), (fa32, fb32) => {112 // Arrange113 fc.pre(isNotNaN32bits(fa32) && isNotNaN32bits(fb32));114 // Act / Assert115 if (isStrictlySmaller(fa32, fb32)) expect(floatToIndex(fa32)).toBeLessThan(floatToIndex(fb32));116 else expect(floatToIndex(fa32)).toBeGreaterThanOrEqual(floatToIndex(fb32));117 })118 );119 });120});121describe('indexToFloat', () => {122 it('should properly find floats corresponding to well-known values', () => {123 expect(indexToFloat(-2139095041)).toBe(Number.NEGATIVE_INFINITY);124 expect(indexToFloat(-2139095040)).toBe(-MAX_VALUE_32);125 expect(indexToFloat(-1)).toBe(-0);126 expect(indexToFloat(0)).toBe(0);127 expect(indexToFloat(872415232)).toBe(EPSILON_32);128 expect(indexToFloat(2139095039)).toBe(MAX_VALUE_32);129 expect(indexToFloat(2139095040)).toBe(Number.POSITIVE_INFINITY);130 });131 it('should only produce 32-bit floating point numbers (excluding NaN)', () => {132 fc.assert(133 fc.property(fc.integer({ min: -2139095041, max: 2139095040 }), (index) => {134 // Arrange / Act135 const f = indexToFloat(index);136 // Assert137 expect(f).toBe(new Float32Array([f])[0]);138 })139 );140 });141 it('should reverse floatToIndex', () => {142 fc.assert(143 fc.property(float32raw(), (f32) => {144 // Arrange145 fc.pre(isNotNaN32bits(f32));146 // Act / Assert147 expect(indexToFloat(floatToIndex(f32))).toBe(f32);148 })149 );150 });151 it('should be reversed by floatToIndex', () => {152 fc.assert(153 fc.property(fc.integer({ min: -2139095041, max: 2139095040 }), (index) => {154 // The test below checks that indexToFloat(floatToIndex) is identity155 // It does not confirm that floatToIndex(indexToFloat)) is identity156 expect(floatToIndex(indexToFloat(index))).toBe(index);157 })...
FloatingPointHelpers.ts
Source:FloatingPointHelpers.ts
1import * as fc from 'fast-check';2import { DoubleConstraints } from '../../../../src/arbitrary/double';3import { FloatConstraints } from '../../../../src/arbitrary/float';4export function float32raw(): fc.Arbitrary<number> {5 return fc.integer().map((n32) => new Float32Array(new Int32Array([n32]).buffer)[0]);6}7export function float64raw(): fc.Arbitrary<number> {8 return fc9 .tuple(fc.integer(), fc.integer())10 .map(([na32, nb32]) => new Float64Array(new Int32Array([na32, nb32]).buffer)[0]);11}12export const defaultFloatRecordConstraints = {13 min: float32raw(),14 max: float32raw(),15 noDefaultInfinity: fc.boolean(),16 noNaN: fc.boolean(),17};18export const defaultDoubleRecordConstraints = {19 min: float64raw(),20 max: float64raw(),21 noDefaultInfinity: fc.boolean(),22 noNaN: fc.boolean(),23};24type ConstraintsInternalOut = FloatConstraints & DoubleConstraints;25type ConstraintsInternal = {26 [K in keyof ConstraintsInternalOut]?: fc.Arbitrary<ConstraintsInternalOut[K]>;27};28function constraintsInternal(recordConstraints: ConstraintsInternal): fc.Arbitrary<ConstraintsInternalOut> {...
Using AI Code Generation
1const fc = require("fast-check");2const { float32raw } = require("fast-check/lib/types/float32raw.js");3fc.assert(4 fc.property(float32raw(), (x) => {5 return x >= -1 && x <= 1;6 })7);8const fc = require("fast-check");9const { float64raw } = require("fast-check/lib/types/float64raw.js");10fc.assert(11 fc.property(float64raw(), (x) => {12 return x >= -1 && x <= 1;13 })14);15const fc = require("fast-check");16const { float32 } = require("fast-check/lib/types/float32.js");17fc.assert(18 fc.property(float32(), (x) => {19 return x >= -1 && x <= 1;20 })21);22const fc = require("fast-check");23const { float64 } = require("fast-check/lib/types/float64.js");24fc.assert(25 fc.property(float64(), (x) => {26 return x >= -1 && x <= 1;27 })28);29const fc = require("fast-check");30const { float32 } = require("fast-check/lib/types/float32.js");31fc.assert(32 fc.property(float32(), (x) => {33 return x >= -1 && x <= 1;34 })35);36const fc = require("fast-check");37const { float64 } = require("fast-check/lib/types/float64.js");38fc.assert(39 fc.property(float64(), (x) => {40 return x >= -1 && x <= 1;41 })42);43const fc = require("fast-check");44const { float32raw } = require("fast-check/lib/types/float32raw.js");45fc.assert(46 fc.property(float32raw(), (x) => {
Using AI Code Generation
1const fc = require('fast-check');2const { float32raw } = require('fast-check/lib/types/float32raw.js');3fc.assert(4 fc.property(float32raw(), (f) => {5 return f === f;6 }),7);
Using AI Code Generation
1const fc = require('fast-check');2fc.check(3 fc.property(fc.float32raw(), fc.float32raw(), fc.float32raw(), (a, b, c) => {4 const res = a * b * c;5 return res !== res;6 }),7 { numRuns: 1000 }8);9const fc = require('fast-check');10fc.check(11 fc.property(fc.float32raw(), fc.float32raw(), fc.float32raw(), (a, b, c) => {12 const res = a * b * c;13 return res !== res;14 }),15 { numRuns: 1000 }16);17const fc = require('fast-check');18fc.check(19 fc.property(fc.float32raw(), fc.float32raw(), fc.float32raw(), (a, b, c) => {20 const res = a * b * c;21 return res !== res;22 }),23 { numRuns: 1000 }24);25const fc = require('fast-check');26fc.check(27 fc.property(fc.float32raw(), fc.float32raw(), fc.float32raw(), (a, b, c) => {28 const res = a * b * c;29 return res !== res;30 }),31 { numRuns: 1000 }32);33const fc = require('fast-check');34fc.check(35 fc.property(fc.float32raw(), fc.float32raw(), fc.float32raw(), (a, b, c) => {36 const res = a * b * c;37 return res !== res;38 }),39 { numRuns: 1000 }40);41const fc = require('fast-check');42fc.check(43 fc.property(fc.float32raw(), fc.float32raw(), fc.float32raw(), (a, b, c) => {44 const res = a * b * c;45 return res !== res;46 }),47 {
Using AI Code Generation
1import { fc, testProp } from "fast-check";2import { float32raw } from "fast-check-monorepo";3testProp("float32raw", [float32raw()], (v) => {4 return true;5});6import { fc, testProp } from "fast-check";7import { float64raw } from "fast-check-monorepo";8testProp("float64raw", [float64raw()], (v) => {9 return true;10});11import { fc, testProp } from "fast-check";12import { float32raw } from "fast-check-monorepo";13testProp("float32raw", [float32raw()], (v) => {14 return true;15});16import { fc, testProp } from "fast-check";17import { float64raw } from "fast-check-monorepo";18testProp("float64raw", [float64raw()], (v) => {19 return true;20});21import { fc, testProp } from "fast-check";22import { float32raw } from "fast-check-monorepo";23testProp("float32raw", [float32raw()], (v) => {24 return true;25});26import { fc, testProp } from "fast-check";27import { float64raw } from "fast-check-monorepo";28testProp("float64raw", [float64raw()], (v) => {29 return true;30});31import { fc, testProp } from "fast-check";32import { float32raw } from "fast-check-monorepo";33testProp("float32raw", [float32raw()], (v) => {34 return true;35});36import { fc, testProp } from
Using AI Code Generation
1const fc = require('fast-check');2fc.assert(3 fc.property(fc.float32raw(), function (v) {4 return v >= 0;5 })6);7const fc = require('fast-check');8fc.assert(9 fc.property(fc.float64raw(), function (v) {10 return v >= 0;11 })12);13const fc = require('fast-check');14fc.assert(15 fc.property(fc.float32(), function (v) {16 return v >= 0;17 })18);19const fc = require('fast-check');20fc.assert(21 fc.property(fc.float64(), function (v) {22 return v >= 0;23 })24);25const fc = require('fast-check');26fc.assert(27 fc.property(fc.float32(), function (v) {28 return v >= 0;29 })30);31const fc = require('fast-check');32fc.assert(33 fc.property(fc.float64(), function (v) {34 return v >= 0;35 })36);37const fc = require('fast-check');38fc.assert(39 fc.property(fc.float32(), function (v) {40 return v >= 0;41 })42);43const fc = require('fast-check');44fc.assert(45 fc.property(fc.float64(), function (v) {46 return v >= 0;47 })48);49const fc = require('fast-check');50fc.assert(51 fc.property(fc.float32(), function (v) {52 return v >= 0;53 })54);55const fc = require('fast-check');56fc.assert(57 fc.property(fc.float64(), function (v) {
Using AI Code Generation
1const { float32raw } = require('fast-check-monorepo/dist/lib/check/arbitrary/FloatArbitrary');2console.log('float32raw', float32raw);3const { float32raw } = require('fast-check-monorepo/dist/lib/check/arbitrary/FloatArbitrary.js');4console.log('float32raw', float32raw);5const { float32raw } = require('fast-check-monorepo/dist/lib/check/arbitrary/FloatArbitrary');6console.log('float32raw', float32raw);7const { float32raw } = require('fast-check-monorepo/dist/lib/check/arbitrary/FloatArbitrary');8console.log('float32raw', float32raw);
Using AI Code Generation
1var fastcheck = require('fast-check');2var fc = fastcheck.default;3var float32raw = fc.float32raw;4var float32 = fc.float32;5var float64raw = fc.float64raw;6var float64 = fc.float64;7var int8 = fc.int8;8var int16 = fc.int16;9var int32 = fc.int32;10var uint8 = fc.uint8;11var uint16 = fc.uint16;12var uint32 = fc.uint32;13function test() {14 var a = float32raw();15 var b = float32();16 var c = float64raw();17 var d = float64();18 var e = int8();19 var f = int16();20 var g = int32();21 var h = uint8();22 var i = uint16();23 var j = uint32();24 console.log(a,b,c,d,e,f,g,h,i,j);25}26test();27var fastcheck = require('fast-check');28var fc = fastcheck.default;29var float32raw = fc.float32raw;30var float32 = fc.float32;31var float64raw = fc.float64raw;32var float64 = fc.float64;33var int8 = fc.int8;34var int16 = fc.int16;35var int32 = fc.int32;36var uint8 = fc.uint8;37var uint16 = fc.uint16;38var uint32 = fc.uint32;39function test() {40 var a = float32raw();41 var b = float32();42 var c = float64raw();43 var d = float64();44 var e = int8();45 var f = int16();46 var g = int32();47 var h = uint8();48 var i = uint16();49 var j = uint32();50 console.log(a,b,c,d,e,f,g,h,i,j);51}52test();53var fastcheck = require('fast-check');54var fc = fastcheck.default;55var float32raw = fc.float32raw;56var float32 = fc.float32;57var float64raw = fc.float64raw;58var float64 = fc.float64;59var int8 = fc.int8;60var int16 = fc.int16;
Using AI Code Generation
1const fc = require('fast-check');2const { float32raw } = require('fast-check');3const { float32 } = require('fast-check');4console.log("Test float32raw method");5fc.assert(fc.property(float32raw(), (v) => {6 console.log("float32raw value: " + v);7 return true;8}));9console.log("Test float32 method");10fc.assert(fc.property(float32(), (v) => {11 console.log("float32 value: " + v);12 return true;13}));14The test.js file imports the float32raw method from the fast-check-monorepo. The code to use the float32raw method is shown below:15console.log("Test float32raw method");16fc.assert(fc.property(float32raw(), (v) => {17 console.log("float32raw value: " + v);18 return true;19}));20The test.js file imports the float32 method from the fast-check-monorepo. The code to use the float32 method is shown below:21console.log("Test float32 method");22fc.assert(fc.property(float32(), (v) => {23 console.log("float32 value: " + v);24 return true;25}));
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