47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
import assert from 'assert'
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import math from '../../src/pocomath.mjs'
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import PocomathInstance from '../../src/core/PocomathInstance.mjs'
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import * as numberSqrt from '../../src/number/sqrt.mjs'
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import * as complex from '../../src/complex/all.mjs'
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import * as numbers from '../../src/number/all.mjs'
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describe('number', () => {
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it('supports sqrt', () => {
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assert.strictEqual(math.sqrt(4), 2)
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assert.strictEqual(math.sqrt(NaN), NaN)
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assert.strictEqual(math.sqrt(2.25), 1.5)
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assert.deepStrictEqual(math.sqrt(-9), math.complex(0, 3))
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math.config.predictable = true
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assert.strictEqual(math.sqrt(-9), NaN)
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math.config.predictable = false
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assert.deepStrictEqual(math.sqrt(-0.25), math.complex(0, 0.5))
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})
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it('supports sqrt by itself', () => {
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const no = new PocomathInstance('Numbers Only')
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no.install(numberSqrt)
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assert.strictEqual(no.sqrt(2.56), 1.6)
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assert.strictEqual(no.sqrt(-17), NaN)
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no.install(complex)
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no.install(numbers)
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assert.deepStrictEqual(no.sqrt(-16), no.complex(0,4))
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})
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it('computes gcd', () => {
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assert.strictEqual(math.gcd(15, 35), 5)
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})
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it('compares numbers', () => {
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assert.ok(math.smaller(12,13.5))
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assert.ok(math.equal(Infinity, Infinity))
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assert.ok(math.largerEq(12.5, math.divide(25,2)))
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})
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it('Computes floor', () => {
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assert.strictEqual(math.floor(7), 7)
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assert.strictEqual(math.floor(6.99), 6)
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assert.strictEqual(math.floor(1-1e-13), 1)
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})
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})
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