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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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