How to use RoundMatrix method in wpt

Best JavaScript code snippet using wpt

validation_spec.js

Source:validation_spec.js

1/* globals describe, it, expect */2import { validateMean, validateCovAndGetSVD } from "multivariate-normal/validation.js";3import { roundMatrix } from "./util";4describe("The validation function", () => {5    describe("for the mean", () => {6        it("should return the valud if it's valid", () => {7            expect(validateMean( [],       0 )).toEqual( [] );8            expect(validateMean( [1],      1 )).toEqual( [1] );9            expect(validateMean( [1, 2.3], 2 )).toEqual( [1, 2.3] );10        });11        it("should freeze its argument", () => {12            expect(Object.isFrozen(validateMean( [],       0 ))).toEqual(true);13            expect(Object.isFrozen(validateMean( [1],      1 ))).toEqual(true);14            expect(Object.isFrozen(validateMean( [1, 2.3], 2 ))).toEqual(true);15        });16        it("should check that it's an array", () => {17            expect(() => validateMean(1, 1))18                .toThrowError(Error, "Mean must be an array");19            expect(() => validateMean(undefined, 0))20                .toThrowError(Error, "Mean must be an array");21        });22        it("should check that it's an array of numbers", () => {23            expect(() => validateMean([1, "foo", 3], 3))24                .toThrowError(Error, "Mean must be an array of numbers");25            expect(() => validateMean(undefined, 0))26                .toThrowError(Error, "Mean must be an array");27        });28        it("should check that it's the right length", () => {29            expect(() => validateMean([], 1))30                .toThrowError(Error, "Expected mean to have length 1, but had length 0");31            expect(() => validateMean([1, 2, 3], 2))32                .toThrowError(Error, "Expected mean to have length 2, but had length 3");33        });34    });35    describe("for the covariance matrix", () => {36        it("should return the covariance matrix", () => {37            const { cov } = validateCovAndGetSVD([38                [ 1, 0 ],39                [ 0, 1 ],40            ], 2);41            expect(cov).toEqual([42                [ 1, 0 ],43                [ 0, 1 ],44            ]);45        });46        it("should deep-freeze the covariance matrix", () => {47            const { cov } = validateCovAndGetSVD([48                [ 1, 0 ],49                [ 0, 1 ],50            ], 2);51            expect(Object.isFrozen(cov)).toEqual(true);52            expect(Object.isFrozen(cov[0])).toEqual(true);53            expect(Object.isFrozen(cov[1])).toEqual(true);54        });55        it("should return the SVD for a simple identity matrix", () => {56            const { svd: { u, s, v } } = validateCovAndGetSVD([57                [ 1, 0 ],58                [ 0, 1 ],59            ], 2);60            expect(roundMatrix(u)).toEqual([61                [ -1,  0 ],62                [  0, -1 ],63            ]);64            expect(roundMatrix(v)).toEqual([65                [ -1,  0 ],66                [  0, -1 ],67            ]);68            expect(roundMatrix(s)).toEqual([69                1,70                1,71            ]);72        });73        it("should return the SVD for a 2x2 matrix", () => {74            const { svd: { u, s, v } } = validateCovAndGetSVD([75                [ 1,   0.9 ],76                [ 0.9, 1   ],77            ], 2);78            expect(roundMatrix(u)).toEqual([79                [ -0.71, -0.71 ],80                [ -0.71,  0.71 ],81            ]);82            expect(roundMatrix(v)).toEqual([83                [ -0.71, -0.71 ],84                [ -0.71,  0.71 ],85            ]);86            expect(roundMatrix(s)).toEqual([87                1.9,88                0.1,89            ]);90        });91        it("should return the SVD for a 3x3 matrix", () => {92            const { svd: { u, s, v } } = validateCovAndGetSVD([93                [ 1,   0, 0.9 ],94                [ 0,   1, 0   ],95                [ 0.9, 0, 1   ],96            ], 3);97            expect(roundMatrix(u)).toEqual([98                [ -0.71, 0, -0.71 ],99                [  0,    1,  0    ],100                [ -0.71, 0,  0.71 ],101            ]);102            expect(roundMatrix(v)).toEqual([103                [ -0.71, 0, -0.71 ],104                [  0,    1,  0    ],105                [ -0.71, 0,  0.71 ],106            ]);107            expect(roundMatrix(s)).toEqual([108                1.9,109                1,110                0.1,111            ]);112        });113        it("should check that it's an array", () => {114            expect(() => validateCovAndGetSVD(1, 1))115                .toThrowError(Error, "Covariance must be an array");116            expect(() => validateCovAndGetSVD(undefined, 0))117                .toThrowError(Error, "Covariance must be an array");118        });119        it("should check that it has the right length", () => {120            expect(() => validateCovAndGetSVD([[1, 2]], 2))121                .toThrowError(Error, "Covariance matrix had 1 rows, but it should be a 2x2 square matrix");122        });123        it("should check that every row is an array", () => {124            expect(() => validateCovAndGetSVD([[1, 2], 2], 2))125                .toThrowError(Error, "Row 1 of covariance matrix was not an array");126        });127        it("should check that every row is the right length", () => {128            expect(() => validateCovAndGetSVD([[1, 2], [2]], 2))129                .toThrowError(Error, "Row 1 of covariance matrix had length 1, but it should have length 2");130        });131        it("should check that every row contains only number", () => {132            expect(() => validateCovAndGetSVD([[1, 2], [2, "x"]], 2))133                .toThrowError(Error, "Row 1 of covariance matrix contained a non-numeric value");134        });135        it("should check that it's positive semidefinite", () => {136            // more correlated with each other than with themselves137            const cov1 = [[1, 1 + 1e-10], [1 + 1e-10, 1]];138            expect(() => validateCovAndGetSVD(cov1, 2))139                .toThrowError(Error, "Covariance isn't positive semidefinite");140            // X and Y are correlated, and Y and Z are correlated, but141            // X and Z aren't correlated142            const cov2 = [143                [1,   0.9, 0.9],144                [0.9, 1,   0],145                [0.9, 0,   1],146            ];147            expect(() => validateCovAndGetSVD(cov2, 3))148                .toThrowError(Error, "Covariance isn't positive semidefinite");149        });150        it("should check that it's symmetric", () => {151            const cov = [152                [1, 0.9],153                [0.8, 1],154            ];155            expect(() => validateCovAndGetSVD(cov, 2))156                .toThrowError(Error, "Covariance isn't symmetric");157        });158    });...

layout.computeMatrix.test.ts

Source:layout.computeMatrix.test.ts

1import * as tape from 'tape';2import Layout3D from '@core/Layout3D';3const ignoredSize = {x: 0, y: 0, z: 0};4const roundMatrix = (matrix: number[]) => matrix.map((entry) => Number(entry.toFixed(5)));5tape('layout.computeMatrix', (suite) => {6  suite.test('identity', (test) => {7    test.deepEqual(8      Layout3D.computeMatrix(Layout3D.createLayoutSpec(), ignoredSize),9      [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1],10      'default layout spec produces identity matrix',11    );12    test.end();13  });14  suite.test('translation', (test) => {15    const layoutSpec = Layout3D.createLayoutSpec();16    layoutSpec.translation = {x: 1, y: 2, z: 3};17    test.deepEqual(18      Layout3D.computeMatrix(layoutSpec, ignoredSize),19      [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 3, 1],20      'translation populates fourth column',21    );22    test.end();23  });24  suite.test('rotation', (test) => {25    const layoutSpec = Layout3D.createLayoutSpec();26    layoutSpec.rotation.z = Math.PI / 4;27    test.deepEqual(28      Layout3D.computeMatrix(layoutSpec, ignoredSize),29      [30        Math.cos(Math.PI / 4), Math.sin(Math.PI / 4), 0, 0,31        -Math.sin(Math.PI / 4), Math.cos(Math.PI / 4), 0, 0,32        0, 0, 1, 0,33        0, 0, 0, 1,34      ],35      'rotation.z produces a normal Euclidean rotation matrix',36    );37    layoutSpec.rotation.x = -Math.PI / 4;38    test.deepEqual(39      roundMatrix(Layout3D.computeMatrix(layoutSpec, ignoredSize)),40      roundMatrix([41        Math.cos(Math.PI / 4), Math.sin(Math.PI / 4), 0, 0,42        -0.5, 0.5, -Math.sin(Math.PI / 4), 0,43        -0.5, 0.5, Math.cos(Math.PI / 4), 0,44        0, 0, 0, 1,45      ]),46      '3D rotation composes correctly',47    );48    test.end();49  });50  suite.test('shear', (test) => {51    const layoutSpec = Layout3D.createLayoutSpec();52    layoutSpec.shear.xy = 1;53    test.deepEqual(54      Layout3D.computeMatrix(layoutSpec, ignoredSize),55      [1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1],56      'shear.xy skews X over Y',57    );58    layoutSpec.shear.xz = 0.5;59    test.deepEqual(60      Layout3D.computeMatrix(layoutSpec, ignoredSize),61      [1, 0, 0, 0, 1, 1, 0, 0, 0.5, 0, 1, 0, 0, 0, 0, 1],62      'shear.xz skews X over Z and composes cleanly',63    );64    layoutSpec.shear.yz = 0.5;65    test.deepEqual(66      Layout3D.computeMatrix(layoutSpec, ignoredSize),67      [1, 0, 0, 0, 1, 1, 0, 0, 1, 0.5, 1, 0, 0, 0, 0, 1],68      'shear.yz skews Y over Z and composes cleanly',69    );70    test.end();71  });72  suite.test('origin', (test) => {73    // When we pass `true` to createLayoutSpec, we get a default center-origin.74    const layoutSpec = Layout3D.createLayoutSpec(true);75    test.deepEqual(76      Layout3D.computeMatrix(layoutSpec, {x: 100, y: 200, z: 0}),77      [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -50, -100, 0, 1],78      'origin offsets translation proportional to layout size',79    );80    test.end();81  });82  suite.test('scale', (test) => {83    const layoutSpec = Layout3D.createLayoutSpec();84    layoutSpec.scale = {x: 1.1, y: 1.2, z: 1.3};85    test.deepEqual(86      Layout3D.computeMatrix(layoutSpec, ignoredSize),87      [1.1, 0, 0, 0, 0, 1.2, 0, 0, 0, 0, 1.3, 0, 0, 0, 0, 1],88      'scale creates a pure scaling matrix',89    );90    test.end();91  });92  suite.test('offset', (test) => {93    const layoutSpec = Layout3D.createLayoutSpec();94    layoutSpec.offset = {x: 1, y: 2, z: 3};95    test.deepEqual(96      Layout3D.computeMatrix(layoutSpec, ignoredSize),97      [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 3, 1],98      'offset offsets translation',99    );100    test.end();101  });102  suite.test('e2e', (test) => {103    const layoutSpec = Layout3D.createLayoutSpec(true);104    layoutSpec.translation = {x: 1, y: 2, z: 3};105    layoutSpec.rotation.z = Math.PI / 4;106    layoutSpec.rotation.x = -Math.PI / 4;107    layoutSpec.shear.xy = 1;108    layoutSpec.shear.xz = 0.5;109    layoutSpec.shear.yz = 0.5;110    layoutSpec.scale = {x: 1.1, y: 1.2, z: 1.3};111    layoutSpec.offset = {x: 1, y: 2, z: 3};112    test.deepEqual(113      roundMatrix(Layout3D.computeMatrix(layoutSpec, {x: 100, y: 200, z: 0})),114      roundMatrix([115        0.77782, 0.77782, 0, 0,116        0.24853, 1.44853, -0.84853, 0,117        -0.05576, 1.89424, 0.45962, 0,118        -61.74369, -179.74369, 90.85281, 1,119      ]),120      'computeMatrix composes rotation, then shear, then scale, then origin- and explicit-offset translation',121    );122    test.end();123  });124  suite.end();...

Using AI Code Generation

1var wptools = require('wptools');2var roundMatrix = wptools.roundMatrix;3var matrix = [[1,2,3,4],[5,6,7,8],[9,10,11,12]];4var roundedMatrix = roundMatrix(matrix, 2);5console.log(roundedMatrix);6var wptools = require('wptools');7var roundMatrix = wptools.roundMatrix;8var matrix = [[1.111,2.222,3.333,4.444],[5.555,6.666,7.777,8.888],[9.999,10.101,11.111,12.121]];9var roundedMatrix = roundMatrix(matrix, 2);10console.log(roundedMatrix);11var wptools = require('wptools');12var roundMatrix = wptools.roundMatrix;13var matrix = [[1.111,2.222,3.333,4.444],[5.555,6.666,7.777,8.888],[9.999,10.101,11.111,12.121]];14var roundedMatrix = roundMatrix(matrix, 3);15console.log(roundedMatrix);16var wptools = require('wptools');17var roundMatrix = wptools.roundMatrix;

Using AI Code Generation

1var wptools = require('wptools');2var roundMatrix = wptools.roundMatrix;3];4console.log(roundMatrix(m, 2));5var wptools = require('wptools');6var roundMatrix = wptools.roundMatrix;7];8console.log(roundMatrix(m, 2));

Using AI Code Generation

1var wptools = require('wptools');2wptools.page('Barack Obama').get(function(err, resp) {3    if (err) {4        console.log(err);5    } else {6        console.log(resp.infobox);7    }8});9var wptools = require('wptools');10wptools.page('Barack Obama').get(function(err, resp) {11    if (err) {12        console.log(err);13    } else {14        console.log(resp.infobox);15    }16});17var wptools = require('wptools');18wptools.page('Barack Obama').get(function(err, resp) {19    if (err) {20        console.log(err);21    } else {22        console.log(resp.infobox);23    }24});25var wptools = require('wptools');26wptools.page('Barack Obama').get(function(err, resp) {27    if (err) {28        console.log(err);29    } else {30        console.log(resp.infobox);31    }32});33var wptools = require('wptools');34wptools.page('Barack Obama').get(function(err, resp) {35    if (err) {36        console.log(err);37    } else {38        console.log(resp.infobox);39    }40});41var wptools = require('wptools');42wptools.page('Barack Obama').get(function(err, resp) {43    if (err) {44        console.log(err);45    } else {46        console.log(resp.infobox);47    }48});49var wptools = require('wptools');50wptools.page('Barack Obama').get(function(err, resp) {51    if (err) {52        console.log(err);53    } else {54        console.log(resp.infobox);55    }56});57var wptools = require('

Using AI Code Generation

1var wptools = require('wiki-pagetools');2var roundMatrix = wptools.roundMatrix;3var matrix = [[1,2,3],[4,5,6],[7,8,9]];4var wptools = require('wiki-pagetools');5var roundMatrix = wptools.roundMatrix;6var matrix = [[1.123,2.345,3.567],[4.789,5.901,6.234],[7.456,8.678,9.890]];7var wptools = require('wiki-pagetools');8var roundMatrix = wptools.roundMatrix;9var matrix = [[1.123,2.345,3.567],[4.789,5.901,6.234],[7.456,8.678,9.890]];10var wptools = require('wiki-pagetools');11var roundMatrix = wptools.roundMatrix;12var matrix = [[1.123,2.345,3.567],[4.789,5.901,6.234],[7.456,8.678,9.890]];13var wptools = require('wiki-pagetools');

Using AI Code Generation

1var wptools = require('wptools');2var wm = new wptools.RoundMatrix(4);3wm.set(0,0,1);4wm.set(0,1,2);5wm.set(0,2,3);6wm.set(0,3,4);7wm.set(1,0,5);8wm.set(1,1,6);9wm.set(1,2,7);10wm.set(1,3,8);11wm.set(2,0,9);12wm.set(2,1,10);13wm.set(2,2,11);14wm.set(2,3,12);15wm.set(3,0,13);16wm.set(3,1,14);17wm.set(3,2,15);18wm.set(3,3,16);19console.log(wm.get(0,0));20console.log(wm.get(0,1));21console.log(wm.get(0,2));22console.log(wm.get(0,3));23console.log(wm.get(1,0));24console.log(wm.get(1,1));25console.log(wm.get(1,2));26console.log(wm.get(1,3));27console.log(wm.get(2,0));28console.log(wm.get(2,1));29console.log(wm.get(2,2));30console.log(wm.get(2,3));31console.log(wm.get(3,0));32console.log(wm.get(3,1));33console.log(wm.get(3,2));34console.log(wm.get(3,3));

Using AI Code Generation

1var wptools = require('wptools');2var matrix = wptools.roundMatrix(3, 5);3console.log(matrix);4var wptools = require('wptools');5var matrix = wptools.roundMatrix(3, 5, 2);6console.log(matrix);7var wptools = require('wptools');8var matrix = wptools.roundMatrix(3, 5, 2, 10);9console.log(matrix);10var wptools = require('wptools');11var matrix = wptools.roundMatrix(3, 5, 2, 10, 20);12console.log(matrix);13var wptools = require('wptools');14var matrix = wptools.roundMatrix(3, 5, 2, 10, 20, 30);15console.log(matrix);

Using AI Code Generation

1var wptools = require('wptools');2wptools.get('Eiffel Tower').then(function(page) {3  return page.roundMatrix();4}).then(function(matrix) {5  console.log(matrix);6});

Using AI Code Generation

1var wptools = require('wptools.js');2var matrix = wptools.RoundMatrix(3,3);3matrix[0][0] = 1;4matrix[0][1] = 2;5matrix[0][2] = 3;6matrix[1][0] = 4;7matrix[1][1] = 5;8matrix[1][2] = 6;9matrix[2][0] = 7;10matrix[2][1] = 8;11matrix[2][2] = 9;12console.log(matrix);13var wptools = require('wptools.js');14var matrix = wptools.RoundMatrix(3,3);15matrix[0][0] = 1;16matrix[0][1] = 2;17matrix[0][2] = 3;18matrix[1][0] = 4;19matrix[1][1] = 5;20matrix[1][2] = 6;21matrix[2][0] = 7;22matrix[2][1] = 8;23matrix[2][2] = 9;24console.log(matrix);

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