Jos de Jong 6f00715754
Specify import require paths (continuation of #1941) (#1962)
* Add `.js` extension to source file imports

* Specify package `exports` in `package.json`

Specify package type as `commonjs` (It's good to be specific)

* Move all compiled scripts into `lib` directory

Remove ./number.js (You can use the compiled ones in `./lib/*`)

Tell node that the `esm` directory is type `module` and enable tree shaking.

Remove unused files from packages `files` property

* Allow importing of package.json

* Make library ESM first

* - Fix merge conflicts
- Refactor `bundleAny` into `defaultInstance.js` and `browserBundle.cjs`
- Refactor unit tests to be able to run with plain nodejs (no transpiling)
- Fix browser examples

* Fix browser and browserstack tests

* Fix running unit tests on Node 10 (which has no support for modules)

* Fix node.js examples (those are still commonjs)

* Remove the need for `browserBundle.cjs`

* Generate minified bundle only

* [Security] Bump node-fetch from 2.6.0 to 2.6.1 (#1963)

Bumps [node-fetch](https://github.com/bitinn/node-fetch) from 2.6.0 to 2.6.1. **This update includes a security fix.**
- [Release notes](https://github.com/bitinn/node-fetch/releases)
- [Changelog](https://github.com/node-fetch/node-fetch/blob/master/docs/CHANGELOG.md)
- [Commits](https://github.com/bitinn/node-fetch/compare/v2.6.0...v2.6.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

* Cleanup console.log

* Add integration tests to test the entry points (commonjs/esm, full/number only)

* Create backward compatibility error messages in the files moved/removed since v8

* Describe breaking changes in HISTORY.md

* Bump karma from 5.2.1 to 5.2.2 (#1965)

Bumps [karma](https://github.com/karma-runner/karma) from 5.2.1 to 5.2.2.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v5.2.1...v5.2.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Co-authored-by: Lee Langley-Rees <lee@greenimp.co.uk>
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
2020-09-20 18:01:29 +02:00

74 lines
2.7 KiB
JavaScript

import assert from 'assert'
import approx from '../../../../tools/approx.js'
import math from '../../../../src/defaultInstance.js'
const arg = math.arg
describe('arg', function () {
it('should compute the argument of a boolean', function () {
assert.strictEqual(arg(true), 0)
assert.strictEqual(arg(false), 0)
})
it('should compute the argument of a number', function () {
assert.strictEqual(arg(1), 0)
assert.strictEqual(arg(2), 0)
assert.strictEqual(arg(0), 0)
approx.equal(arg(-2), 3.141592653589793)
})
it('should compute the argument of a bignumber', function () {
assert.deepStrictEqual(arg(math.bignumber(1)), math.bignumber(0))
assert.deepStrictEqual(arg(math.bignumber(-2)),
math.bignumber('3.141592653589793238462643383279502884197169399375105820974944592'))
})
it('should compute the argument of a complex number correctly', function () {
assert.strictEqual(arg(math.complex('0')) / math.pi, 0)
assert.strictEqual(arg(math.complex('1 + 0i')) / math.pi, 0)
assert.strictEqual(arg(math.complex('1 + i')) / math.pi, 0.25)
assert.strictEqual(arg(math.complex('0 + i')) / math.pi, 0.5)
assert.strictEqual(arg(math.complex('-1 + i')) / math.pi, 0.75)
assert.strictEqual(arg(math.complex('-1 + 0i')) / math.pi, 1)
assert.strictEqual(arg(math.complex('-1 - i')) / math.pi, -0.75)
assert.strictEqual(arg(math.complex('0 - i')) / math.pi, -0.5)
assert.strictEqual(arg(math.complex('1 - i')) / math.pi, -0.25)
assert.strictEqual(arg(math.i) / math.pi, 0.5)
})
it('should calculate the argument for each element in a matrix', function () {
assert.deepStrictEqual(math.divide(arg([
math.i, math.unaryMinus(math.i), math.add(1, math.i)
]), math.pi), [
0.5, -0.5, 0.25
])
assert.deepStrictEqual(math.matrix(math.divide(arg([
math.i, math.unaryMinus(math.i), math.add(1, math.i)
]), math.pi)).valueOf(), [
0.5, -0.5, 0.25
])
})
it('should compute the argument of a real number correctly', function () {
assert.strictEqual(arg(2) / math.pi, 0)
assert.strictEqual(arg(-2) / math.pi, 1)
})
it('should throw an error if used with a string', function () {
assert.throws(function () { arg('string') })
})
it('should throw an error if used with a unit', function () {
assert.throws(function () { arg(math.unit('5cm')) })
})
it('should throw an error in case of invalid number of arguments', function () {
assert.throws(function () { arg() }, /TypeError: Too few arguments/)
assert.throws(function () { arg(1, 2) }, /TypeError: Too many arguments/)
})
it('should LaTeX arg', function () {
const expression = math.parse('arg(1+i)')
assert.strictEqual(expression.toTex(), '\\arg\\left(1+ i\\right)')
})
})