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How to use sampleFloatNoBias method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

FloatArbitrary.spec.ts

Source:FloatArbitrary.spec.ts

1import * as fc from '../../../src/fast-check';2import { seed } from '../seed';3describe(`FloatArbitrary (seed: ${seed})`, () => {4  describe('float', () => {5    const limitedNumRuns = 1000;6    const numRuns = 25000;7    const sampleFloat = fc.sample(fc.float(), { seed, numRuns });8    const sampleFloatNoBias = fc.sample(fc.float().noBias(), { seed, numRuns });9    function shouldGenerate(expectedValue: number) {10      it('Should be able to generate ' + fc.stringify(expectedValue), () => {11        const hasValue = sampleFloat.findIndex((v) => Object.is(v, expectedValue)) !== -1;12        expect(hasValue).toBe(true);13      });14      it('Should not be able to generate ' + fc.stringify(expectedValue) + ' if not biased (very unlikely)', () => {15        const hasValue = sampleFloatNoBias.findIndex((v) => Object.is(v, expectedValue)) !== -1;16        expect(hasValue).toBe(false);17      });18    }19    const extremeValues = [20      Number.POSITIVE_INFINITY,21      Number.NEGATIVE_INFINITY,22      Number.NaN,23      0,24      -0,25      2 ** -126 * 2 ** -23, // Number.MIN_VALUE for 32-bit floats26      -(2 ** -126 * 2 ** -23), // -Number.MIN_VALUE for 32-bit floats27      2 ** 127 * (1 + (2 ** 23 - 1) / 2 ** 23), // Number.MAX_VALUE for 32-bit floats28      -(2 ** 127 * (1 + (2 ** 23 - 1) / 2 ** 23)), // -Number.MAX_VALUE for 32-bit floats29    ];30    for (const extremeValue of extremeValues) {31      // Should be able to generate an exact extreme value in {numRuns} runs32      // The set of possible values for floats is of 4_278_190_083 distinct values (incl. nan, -/+inf)33      shouldGenerate(extremeValue);34    }35    it(`Should be able to generate one of the extreme values in a limited amount of runs (${limitedNumRuns})`, () => {36      const hasValue =37        sampleFloat.slice(0, limitedNumRuns).findIndex((v) => {38          // Check if we can find one of the extreme values in our limited sample39          return extremeValues.findIndex((expectedValue) => Object.is(v, expectedValue)) !== -1;40        }) !== -1;41      expect(hasValue).toBe(true);42    });43    // Remark:44    //   MIN_VALUE_32 = (2**-126) * (2**-23)45    //   In range: [MIN_VALUE_32 ; 2 ** -125[ there are 2**24 distinct values46    // Remark:47    //   MAX_VALUE_32 = (2**127) * (2 - 2**-23)48    //   In range: [2**127 ; MAX_VALUE_32] there are 2**23 distinct values49    //50    // If we join those 4 ranges (including negative versions), they only represent 1.176 % of all the possible values.51    // Indeed there are 4_278_190_080 distinct values for double if we exclude -infinity, +infinty and NaN.52    // So most of the generated values should be in the union of the ranges ]-2**127 ; -2**-125] and [2**-125 ; 2**127[.53    const filterIntermediateValues = (sample: number[]) => {54      return sample.filter((v) => {55        const absV = Math.abs(v);56        return absV >= 2 ** -125 && absV < 2 ** 127;57      });58    };59    it('Should be able to generate intermediate values most of the time even if biased', () => {60      const countIntermediate = filterIntermediateValues(sampleFloat).length;61      expect(countIntermediate).toBeGreaterThan(0.5 * sampleFloat.length);62    });63    it('Should be able to generate intermediate values most of the time if not biased', () => {64      const countIntermediate = filterIntermediateValues(sampleFloatNoBias).length;65      expect(countIntermediate).toBeGreaterThan(0.5 * sampleFloatNoBias.length);66    });67  });...

Using AI Code Generation

1const fc = require('fast-check');2const {sampleFloatNoBias} = require('fast-check');3console.log(sampleFloatNoBias(0, 1));4console.log(sampleFloatNoBias(0, 1));5console.log(sampleFloatNoBias(0, 1));6console.log(sampl

Using AI Code Generation

1const fc = require("fast-check");2const sampleFloatNoBias = require("fast-check-monorepo/sampleFloatNoBias.js");3const sampleFloat = require("fast-check-monorepo/sampleFloat.js");4fc.assert(5  fc.property(fc.float(), fc.float(), fc.float(), (a, b, c) => {6    const result = sampleFloatNoBias(a, b, c);7    const result1 = sampleFloat(a, b, c);8    console.log("result: " + result + " result1: " + result1);9    return true;10  })11);

Using AI Code Generation

1import { sampleFloatNoBias } from 'fast-check-monorepo';2const sampleFloatNoBiasTest = () => {3    const result = sampleFloatNoBias();4    console.log('sampleFloatNoBias result = ' + result);5    return result;6};7sampleFloatNoBiasTest();8import { sampleFloatNoBias } from 'fast-check';9const sampleFloatNoBiasTest = () => {10    const result = sampleFloatNoBias();11    console.log('sampleFloatNoBias result = ' + result);12    return result;13};14sampleFloatNoBiasTest();15import { sampleFloatNoBias } from 'fast-check-monorepo';16const sampleFloatNoBiasTest = () => {17    const result = sampleFloatNoBias();18    console.log('sampleFloatNoBias result = ' + result);19    return result;20};21sampleFloatNoBiasTest();22import { sampleFloatNoBias } from 'fast-check';23const sampleFloatNoBiasTest = () => {24    const result = sampleFloatNoBias();25    console.log('sampleFloatNoBias result = ' + result);26    return result;27};28sampleFloatNoBiasTest();29import { sampleFloatNoBias } from 'fast-check-monorepo';30const sampleFloatNoBiasTest = () => {31    const result = sampleFloatNoBias();32    console.log('sampleFloatNoBias result = ' + result);33    return result;34};35sampleFloatNoBiasTest();36import { sampleFloatNoBias } from 'fast-check';37const sampleFloatNoBiasTest = () => {38    const result = sampleFloatNoBias();39    console.log('sampleFloatNoBias result = ' + result);40    return result;41};42sampleFloatNoBiasTest();

Using AI Code Generation

1const fc = require('fast-check');2const sampleFloatNoBias = require('fast-check/lib/arbitrary/sampleFloatNoBias.js');3const sampleFloatNoBias = require('fast-check/lib/arbitrary/sampleFloatNoBias.js').sampleFloatNoBias;4const randomFloat = sampleFloatNoBias();5console.log(randomFloat);6const randomFloat2 = sampleFloatNoBias(0.5);7console.log(randomFloat2);8const randomFloat3 = sampleFloatNoBias(0.5, 1);9console.log(randomFloat3);10const randomFloat4 = sampleFloatNoBias(0.25, 0.75);11console.log(randomFloat4);12const randomFloat5 = sampleFloatNoBias(0.25, 0.75);13console.log(randomFloat5);14const randomFloat6 = sampleFloatNoBias(0.25, 0.75);15console.log(randomFloat6);16const randomFloat7 = sampleFloatNoBias(0.25, 0.75);17console.log(randomFloat7);18const randomFloat8 = sampleFloatNoBias(0.25, 0.75);19console.log(randomFloat8);20const randomFloat9 = sampleFloatNoBias(0.25, 0.75);21console.log(randomFloat9);22const randomFloat10 = sampleFloatNoBias(0.25, 0.75);23console.log(randomFloat10);24const randomFloat11 = sampleFloatNoBias(0.25, 0.75);25console.log(randomFloat11);

Using AI Code Generation

1const fc = require('fast-check')2fc.sampleFloatNoBias(0, 1).then((v) => console.log(v))3const fc = require('fast-check')4fc.sampleFloatNoBias(0, 1).then((v) => console.log(v))5const fc = require('fast-check')6fc.sampleFloatNoBias(0, 1).then((v) => console.log(v))7const fc = require('fast-check')8fc.sampleFloatNoBias(0, 1).then((v) => console.log(v))

Using AI Code Generation

1var fc = require('fast-check');2fc.sampleFloatNoBias(1,5);3var fc = require('fast-check');4fc.sampleFloatNoBias(1,5);5var fc = require('fast-check');6fc.sampleFloatNoBias(1,5);7var fc = require('fast-check');8fc.sampleFloatNoBias(1,5);9var fc = require('fast-check');10fc.sampleFloatNoBias(1,5);11var fc = require('fast-check');12fc.sampleFloatNoBias(1,5);13var fc = require('fast-check');14fc.sampleFloatNoBias(1,5);15var fc = require('fast-check');16fc.sampleFloatNoBias(1,5);17var fc = require('fast-check');18fc.sampleFloatNoBias(1,5);19var fc = require('fast-check');20fc.sampleFloatNoBias(1,5);

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