43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
import {Bench} from 'tinybench'
|
|
import padRight from 'pad-right'
|
|
import { formatTaskResult } from './formatTaskResult.js'
|
|
import math from '../src/pocomath.mjs'
|
|
|
|
function pad (text) {
|
|
return padRight(text, 40, ' ')
|
|
}
|
|
|
|
const maxCoeff = 5
|
|
function countRoots () {
|
|
let polys = 0
|
|
let roots = 0
|
|
for (let d = 0; d <= maxCoeff; ++d) {
|
|
for (let c = 0; c <= maxCoeff; ++c) {
|
|
for (let b = 0; b <= maxCoeff; ++b) {
|
|
for (let a = 1; a <= maxCoeff; ++a) {
|
|
polys += 1
|
|
roots += math.length(math.polynomialRoot(d, c, b, a))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return [polys, roots]
|
|
}
|
|
|
|
const test = countRoots()
|
|
console.log('There are', test[1], 'roots of the', test[0], 'integer cubic')
|
|
console.log('polynomials (with coefficients <=', maxCoeff, ')')
|
|
|
|
const results = []
|
|
|
|
const bench = new Bench({time: 100, iterations: 100})
|
|
.add(pad('count roots'), function () {
|
|
const res = countRoots()
|
|
results.push(res)
|
|
})
|
|
|
|
bench.addEventListener(
|
|
'cycle',
|
|
event => console.log(formatTaskResult(bench, event.task))
|
|
)
|
|
await bench.run()
|