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How to use sampleFloat 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  });...

klangraum_client.js

Source:klangraum_client.js

1export function klangraumConnect(url, onmessageFunc) {2//     let socket = new WebSocket("wss://static.184.12.47.78.clients.your-server.de:8800");3//    let socket = new WebSocket("ws://localhost:8800");4    5    let socket = new WebSocket(url);6    const mp3encoder = new lamejs.Mp3Encoder(1, 44100, 128);7    const CHUNK_LENGTH = 1152;8    9    socket.onmessage = onmessageFunc;10    11    socket.onopen = function (event) {	 12	13	navigator.mediaDevices.getUserMedia({14	    audio: {15		sampleRate: 44100,16		channelCount: 1,17		echoCancellation: false,18		noiseSuppression: false,19		autoGainControl: false20	    },21	    video : false22	})23	    .then(function(stream) {24		25		const context = new AudioContext({ sampleRate: 44100 });26		const source = context.createMediaStreamSource(stream);27		const processor = context.createScriptProcessor(16384, 1, 1);28		29		source.connect(processor);30		processor.connect(context.destination);31		32		let toDecode = new Int16Array(CHUNK_LENGTH);33		let toDecodeI = 0;34		processor.onaudioprocess = function(e) {35		    let audioData = e.inputBuffer.getChannelData(0);36		    for (let i = 0; i < audioData.length; i++) {37			38			if (toDecodeI >= CHUNK_LENGTH) {39			    let mp3Chunk = mp3encoder.encodeBuffer(toDecode);40			    socket.send(mp3Chunk);41			    //				  console.log('sending chunk with length ', mp3Chunk.length);42			    toDecode = new Int16Array(CHUNK_LENGTH);43			    toDecodeI = 0;44			}45			46			let sampleFloat = audioData[i];47			let sample = sampleFloat > 0 ? sampleFloat*0x7FFF : sampleFloat*0x8000;48			49			toDecode[toDecodeI] = sample;50			toDecodeI += 1;51		}52		};		  53		54	    })55	    .catch(function(err) {56		57	    });58    };59    return socket;...

float.ts

Source:float.ts

...6export interface FloatConstraints {7    min: number8    max: number9}10export function sampleFloat({ min, max }: FloatConstraints, { rng }: ArbitraryContext): number {11    return rng.sample() * (max - min) + min12}13export function shrinkFloat({ min, max }: FloatConstraints, x: number): Tree<number> {14    const destination = min <= 0 && max >= 0 ? 0 : min < 0 ? max : min15    return expandTree((v) => towardsf(destination, v), tree(x, [tree(destination)]))16}17export function float(constraints: RelaxedPartial<FloatConstraints> = {}): Integrated<FloatConstraints, number> {18    const { min = -Math.pow(2, 31), max = Math.pow(2, 31) } = constraints19    return makeIntegrated({20        sample: sampleFloat,21        shrink: shrinkFloat,22        constraints: {23            min,24            max,...

Using AI Code Generation

1const { sampleFloat } = require('fast-check-monorepo');2console.log(sampleFloat());3console.log(sampleFloat());4const { sampleFloat } = require('fast-check-monorepo');5console.log(sampleFloat());6console.log(sampleFloat());7const { sampleFloat } = require('fast-check-monorepo');8console.log(sampleFloat());9console.log(sampleFloat());10const { sampleFloat } = require('fast-check-monorepo');11console.log(sampleFloat());12console.log(sampleFloat());13const { sampleFloat } = require('fast-check-monorepo');14console.log(sampleFloat());15console.log(sampleFloat());16const { sampleFloat } = require('fast-check-monorepo');17console.log(sampleFloat());18console.log(sampleFloat());19const { sampleFloat } = require('fast-check-monorepo');20console.log(sampleFloat());21console.log(sampleFloat());22const { sampleFloat } = require('fast-check-monorepo');23console.log(sampleFloat());24console.log(sampleFloat());25const { sampleFloat } = require('fast-check-monorepo');26console.log(sampleFloat());27console.log(sampleFloat());28const { sampleFloat } = require('fast-check-monorepo');29console.log(sampleFloat());30console.log(sampleFloat());31const { sampleFloat } = require('fast-check-monorepo');32console.log(sampleFloat());33console.log(sampleFloat());34const { sample

Using AI Code Generation

1const { sampleFloat } = require('fast-check-monorepo');2console.log(sampleFloat(1, 2));3const { sampleFloat } = require('fast-check-monorepo');4console.log(sampleFloat(1, 2));5"workspaces": {6  }

Using AI Code Generation

1const { sampleFloat } = require('fast-check');2const float = sampleFloat(0, 100);3console.log(float);4import { sampleFloat } from 'fast-check-monorepo';5const { sampleFloat } = require('fast-check-monorepo');6const float = sampleFloat(0, 100);7console.log(float);

Using AI Code Generation

1const fc = require('fast-check');2const { sampleFloat } = require('fast-check/lib/arbitrary/float');3const { sample } = require('fast-check/lib/check/sampler/Sampler');4const { Random } = require('fast-check/lib/random/generator/Random');5const { Stream } = require('fast-check/lib/stream/Stream');6const random = new Random(0);7const floatArb = sampleFloat();8const floatSampler = sample(floatArb, 1);9const stream = floatSampler(random);10const result = stream.getHead();11console.log(result);12const fc = require('fast-check');13const { sampleFloat } = require('fast-check/lib/arbitrary/float');14const { sample } = require('fast-check/lib/check/sampler/Sampler');15const { Random } = require('fast-check/lib/random/generator/Random');16const { Stream } = require('fast-check/lib/stream/Stream');17const random = new Random(0);18const floatArb = sampleFloat();19const floatSampler = sample(floatArb, 1);20const stream = floatSampler(random);21const result = stream.getHead();22console.log(result);23const fc = require('fast-check');24const { sampleFloat } = require('fast-check/lib/arbitrary/float');25const { sample } = require('fast-check/lib/check/sampler/Sampler');26const { Random } = require('fast-check/lib/random/generator/Random');27const { Stream } = require('fast-check/lib/stream/Stream');28const random = new Random(0);29const floatArb = sampleFloat();30const floatSampler = sample(floatArb, 1);31const stream = floatSampler(random);32const result = stream.getHead();33console.log(result);34const fc = require('fast-check');35const { sampleFloat } = require('fast-check/lib/arbitrary/float');36const { sample } = require('fast-check/lib/check/sampler/Sampler');37const { Random } = require('fast-check/lib/random/generator/Random');38const { Stream } = require('fast-check/lib/stream/Stream');39const random = new Random(0);40const floatArb = sampleFloat();41const floatSampler = sample(floatArb,

Using AI Code Generation

1const { sampleFloat } = require('fast-check');2const sample = sampleFloat(0, 1);3console.log(sample);4const { sampleFloat } = require('fast-check');5const sample = sampleFloat(0, 1);6console.log(sample);7const { sampleFloat } = require('fast-check');8const sample = sampleFloat(0, 1);9console.log(sample);10const { sampleFloat } = require('fast-check');11const sample = sampleFloat(0, 1);12console.log(sample);13const { sampleFloat } = require('fast-check');14const sample = sampleFloat(0, 1);15console.log(sample);16const { sampleFloat } = require('fast-check');17const sample = sampleFloat(0, 1);18console.log(sample);19const { sampleFloat } = require('fast-check');20const sample = sampleFloat(0, 1);21console.log(sample);22const { sampleFloat } = require('fast-check');23const sample = sampleFloat(0, 1);24console.log(sample);25const { sampleFloat } = require('fast-check');26const sample = sampleFloat(0, 1);27console.log(sample);28const { sampleFloat } = require('fast-check');29const sample = sampleFloat(0, 1);30console.log(sample);31const { sampleFloat } =

Using AI Code Generation

1const { sampleFloat } = require('fast-check-monorepo');2sampleFloat(0, 1, 0.1).then((value) => {3  console.log(value);4});5const { sampleFloat } = require('fast-check-monorepo');6sampleFloat(0, 1, 0.1).then((value) => {7  console.log(value);8});9const { sampleFloat } = require('fast-check-monorepo');10sampleFloat(0, 1, 0.1).then((value) => {11  console.log(value);12});13const { sampleFloat } = require('fast-check-monorepo');14sampleFloat(0, 1, 0.1).then((value) => {15  console.log(value);16});17const { sampleFloat } = require('fast-check-monorepo');18sampleFloat(0, 1, 0.1).then((value) => {19  console.log(value);20});21const { sampleFloat } = require('fast-check-monorepo');22sampleFloat(0, 1, 0.1).then((value) => {23  console.log(value);24});25const { sampleFloat } = require('fast-check-monorepo');26sampleFloat(0, 1, 0.1).then((value) => {27  console.log(value);28});

Using AI Code Generation

1const { sampleFloat } = require('fast-check');2const sampleFloat = sampleFloat(0, 1);3console.log(sampleFloat);4    throw err;5    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:581:15)6    at Function.Module._load (internal/modules/cjs/loader.js:507:25)7    at Module.require (internal/modules/cjs/loader.js:637:17)8    at require (internal/modules/cjs/helpers.js:22:18)9    at Object.<anonymous> (C:\Users\anand\Documents\fast-check-monorepo\test3.js:1:16)10    at Module._compile (internal/modules/cjs/loader.js:689:30)11    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)12    at Module.load (internal/modules/cjs/loader.js:599:32)13    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)14    at Function.Module._load (internal/modules/cjs/loader.js:530:3)15Your name to display (optional):16Your name to display (optional):17Your name to display (optional):

Using AI Code Generation

1const { sampleFloat } = require('fast-check');2sampleFloat();3Then import fast-check in your code:4import * as fc from 'fast-check';5const fc = require('fast-check');6define(['fast-check'], function(fc) { /* ... */ });7const fc = window.fastCheck;8var fc = require('fast-check').default;9fc.assert(10  fc.property(fc.integer(), fc.integer(), (a, b) => a + b >= a)11);

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