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349e9845e8
Conflicts: HISTORY.md bower.json component.json dist/math.js dist/math.map dist/math.min.js docs/reference/units.md lib/version.js package.json test/function/construction/chain.test.js test/function/matrix/det.test.js test/function/matrix/transpose.test.js test/function/utils/import.test.js
57 lines
2.1 KiB
JavaScript
57 lines
2.1 KiB
JavaScript
var assert = require('assert');
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var math = require('../../../index');
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var conj = math.conj;
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describe('conj', function() {
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it('should compute the conjugate of a boolean', function () {
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assert.strictEqual(conj(true), 1);
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assert.strictEqual(conj(false), 0);
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});
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it('should compute the conjugate of null', function () {
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assert.strictEqual(conj(null), 0);
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});
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it('should compute the conjugate of a number', function () {
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assert.equal(conj(1), 1);
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assert.equal(conj(2), 2);
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assert.equal(conj(0), 0);
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assert.equal(conj(-2), -2);
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});
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it('should compute the conjugate of a bignumber', function () {
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assert.deepEqual(conj(math.bignumber(2)), math.bignumber(2));
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});
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it('should calculate the conjugate of a complex number correctly', function() {
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assert.equal(conj(math.complex('2 + 3i')).toString(), '2 - 3i');
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assert.equal(conj(123).toString(), '123');
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assert.equal(conj(math.complex('2 - 3i')).toString(), '2 + 3i');
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assert.equal(conj(math.complex('2')).toString(), '2');
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assert.equal(conj(math.complex('-4i')).toString(), '4i');
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assert.equal(conj(math.i).toString(), '-i');
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});
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it('should calculate the conjugate for each element in a matrix', function() {
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assert.equal(math.format(conj([math.complex('2+3i'), math.complex('3-4i')])),
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'[2 - 3i, 3 + 4i]');
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assert.equal(conj(math.matrix([math.complex('2+3i'), math.complex('3-4i')])).toString(),
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'[2 - 3i, 3 + 4i]');
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});
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it('should throw an error when called with an unsupported type of argument', function() {
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assert.throws(function () {conj('string')}, /TypeError: Unexpected type of argument/);
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assert.throws(function () {conj(math.unit('5cm'))}, /TypeError: Unexpected type of argument/);
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});
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it('should throw an error in case of invalid number of arguments', function() {
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assert.throws(function () {conj()}, /TypeError: Too few arguments/);
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assert.throws(function () {conj(1, 2)}, /TypeError: Too many arguments/);
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});
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it('should LaTeX conj', function () {
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var expression = math.parse('conj(1+i)');
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assert.equal(expression.toTex(), '\\left({{1} + {{i}}}\\right)^{*}');
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});
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});
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