2024-05-22 08:46:14 +02:00

88 lines
3.1 KiB
JavaScript

// Only use native node.js API's and references to ./lib here, this file is not transpiled!
import assert from 'node:assert'
import { create, all } from '../../../../../lib/esm/index.js'
import { approxDeepEqual } from '../../../../../tools/approx.js'
import { marketImport } from '../../../../../tools/matrixmarket.js'
import { createCsAmd } from '../../../../../lib/esm/function/algebra/sparse/csAmd.js'
const { add, multiply, transpose } = create(all)
const csAmd = createCsAmd({ add, multiply, transpose })
describe('csAmd', function () {
it('should approximate minimum degree ordering, 48 x 48, natural ordering (order=0), matrix market', function (done) {
// import matrix
marketImport('tools/matrices/bcsstk01.mtx')
.then(function (m) {
// symbolic ordering and analysis, order = 0
const q = csAmd(0, m)
// verify
assert(q === null)
// indicate test has completed
done()
})
.catch(function (error) {
// indicate test has completed
done(error)
})
})
it('should approximate minimum degree ordering, 48 x 48, amd(A+A\') (order=1), matrix market', function (done) {
// import matrix
marketImport('tools/matrices/bcsstk01.mtx')
.then(function (m) {
// symbolic ordering and analysis, order = 1
const q = csAmd(1, m)
// verify
approxDeepEqual(q, [10, 28, 29, 24, 0, 11, 30, 6, 23, 22, 40, 46, 42, 18, 4, 16, 34, 5, 9, 39, 21, 44, 45, 43, 15, 25, 26, 27, 3, 33, 41, 19, 20, 2, 38, 32, 1, 14, 8, 13, 37, 31, 12, 36, 17, 47, 35, 7])
// indicate test has completed
done()
})
.catch(function (error) {
// indicate test has completed
done(error)
})
})
it('should approximate minimum degree ordering, 48 x 48, amd(A\'*A) (order=2), matrix market', function (done) {
// import matrix
marketImport('tools/matrices/bcsstk01.mtx')
.then(function (m) {
// symbolic ordering and analysis, order = 2
const q = csAmd(2, m, false)
// verify
approxDeepEqual(q, [26, 27, 25, 44, 9, 15, 21, 33, 39, 43, 45, 3, 29, 24, 28, 47, 6, 18, 36, 0, 1, 4, 20, 2, 10, 11, 12, 8, 14, 16, 7, 13, 17, 23, 30, 34, 38, 32, 31, 41, 35, 22, 19, 37, 40, 42, 46, 5])
// indicate test has completed
done()
})
.catch(function (error) {
// indicate test has completed
done(error)
})
})
it('should approximate minimum degree ordering, 48 x 48, amd(A\'*A) (order=3), matrix market', function (done) {
// import matrix
marketImport('tools/matrices/bcsstk01.mtx')
.then(function (m) {
// symbolic ordering and analysis, order = 3
const q = csAmd(3, m, false)
// verify
approxDeepEqual(q, [26, 27, 25, 44, 9, 15, 21, 33, 39, 43, 45, 3, 29, 24, 28, 47, 6, 18, 36, 0, 1, 4, 20, 2, 10, 11, 12, 8, 14, 16, 7, 13, 17, 23, 30, 34, 38, 32, 31, 41, 35, 22, 19, 37, 40, 42, 46, 5])
// indicate test has completed
done()
})
.catch(function (error) {
// indicate test has completed
done(error)
})
})
})