237 lines
7.3 KiB
JavaScript

// test add
var assert = require('assert')
var approx = require('../../../tools/approx')
var math = require('../../../src/index')
var add = math.add
// TODO: make unit tests independent of math
describe('add', function () {
describe('Array', function () {
it('should convert strings and add them element wise', function () {
assert.deepEqual(add('2', ['3', '4']), [5, 6])
assert.deepEqual(add(['2', '3'], '4'), [6, 7])
})
it('should add arrays correctly', function () {
var a2 = [[1, 2], [3, 4]]
var a3 = [[5, 6], [7, 8]]
var a4 = add(a2, a3)
assert.deepEqual(a4, [[6, 8], [10, 12]])
})
it('should add 3 dimension arrays correctly', function () {
var a2 = [[[1, 1], [2, 2]], [[3, 3], [4, 4]]]
var a3 = [[[5, 5], [6, 6]], [[7, 7], [8, 8]]]
var a4 = add(a2, a3)
assert.deepEqual(a4, [[[6, 6], [8, 8]], [[10, 10], [12, 12]]])
})
it('should add a scalar and an array correctly', function () {
assert.deepEqual(add(2, [3, 4]), [5, 6])
assert.deepEqual(add([3, 4], 2), [5, 6])
})
it('should add array and dense matrix correctly', function () {
var a = [1, 2, 3]
var b = math.matrix([3, 2, 1])
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.matrix([4, 4, 4]))
})
it('should add array and sparse matrix correctly', function () {
var a = [[1, 2, 3], [4, 5, 6]]
var b = math.sparse([[6, 5, 4], [3, 2, 1]])
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.matrix([[7, 7, 7], [7, 7, 7]]))
})
})
describe('DenseMatrix', function () {
it('should handle strings and matrices element wise', function () {
assert.deepEqual(add('2', math.matrix(['3', '4'])), math.matrix([5, 6]))
assert.deepEqual(add(math.matrix(['2', '3']), '4'), math.matrix([6, 7]))
})
it('should add matrices correctly', function () {
var a2 = math.matrix([[1, 2], [3, 4]])
var a3 = math.matrix([[5, 6], [7, 8]])
var a4 = add(a2, a3)
assert.ok(a4 instanceof math.type.Matrix)
assert.deepEqual(a4.size(), [2, 2])
assert.deepEqual(a4.valueOf(), [[6, 8], [10, 12]])
})
it('should add 3 dimension natrices correctly', function () {
var a2 = math.matrix([[[1, 1], [2, 2]], [[3, 3], [4, 4]]])
var a3 = math.matrix([[[5, 5], [6, 6]], [[7, 7], [8, 8]]])
var a4 = add(a2, a3)
assert.deepEqual(a4, math.matrix([[[6, 6], [8, 8]], [[10, 10], [12, 12]]]))
})
it('should add a scalar and a matrix correctly', function () {
assert.deepEqual(add(2, math.matrix([3, 4])), math.matrix([5, 6]))
assert.deepEqual(add(math.matrix([3, 4]), 2), math.matrix([5, 6]))
})
it('should add matrix and array correctly', function () {
var a = math.matrix([1, 2, 3])
var b = [3, 2, 1]
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.matrix([4, 4, 4]))
})
it('should add dense and sparse matrices correctly', function () {
var a = math.matrix([[1, 2, 3], [1, 0, 0]])
var b = math.sparse([[3, 2, 1], [0, 0, 1]])
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.matrix([[4, 4, 4], [1, 0, 1]]))
})
})
describe('SparseMatrix', function () {
it('should add matrices correctly', function () {
var a2 = math.matrix([[1, 2], [3, 4]], 'sparse')
var a3 = math.matrix([[5, -2], [7, -4]], 'sparse')
var a4 = add(a2, a3)
assert.ok(a4 instanceof math.type.Matrix)
assert.deepEqual(a4, math.sparse([[6, 0], [10, 0]]))
})
it('should add a scalar and a matrix correctly', function () {
assert.deepEqual(add(2, math.matrix([[3, 4], [5, 6]], 'sparse')), math.matrix([[5, 6], [7, 8]], 'dense'))
assert.deepEqual(add(math.matrix([[3, 4], [5, 6]], 'sparse'), 2), math.matrix([[5, 6], [7, 8]], 'dense'))
})
it('should add matrix and array correctly', function () {
var a = math.matrix([[1, 2, 3], [1, 0, 0]], 'sparse')
var b = [[3, 2, 1], [0, 0, 1]]
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.matrix([[4, 4, 4], [1, 0, 1]]))
})
it('should add sparse and dense matrices correctly', function () {
var a = math.sparse([[1, 2, 3], [1, 0, 0]])
var b = math.matrix([[3, 2, 1], [0, 0, 1]])
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.matrix([[4, 4, 4], [1, 0, 1]]))
})
it('should add sparse and sparse matrices correctly', function () {
var a = math.sparse([[1, 2, 3], [1, 0, 0]])
var b = math.sparse([[3, 2, 1], [0, 0, 1]])
var c = add(a, b)
assert.ok(c instanceof math.type.Matrix)
assert.deepEqual(c, math.sparse([[4, 4, 4], [1, 0, 1]]))
})
it('should add two pattern matrices correctly', function () {
var a = new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 0],
ptr: [0, 2, 3, 4],
size: [3, 3]
})
var b = new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 1],
ptr: [0, 3, 3, 4],
size: [3, 3]
})
var c = add(a, b)
assert.deepEqual(
c,
new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 2, 0, 1],
ptr: [0, 3, 4, 6],
size: [3, 3]
}))
})
it('should add pattern and value matrices correctly', function () {
var a = new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 0],
ptr: [0, 2, 3, 4],
size: [3, 3]
})
var b = new math.type.SparseMatrix({
values: [1, 2, 3, 4],
index: [0, 1, 2, 1],
ptr: [0, 3, 3, 4],
size: [3, 3]
})
var c = add(a, b)
assert.deepEqual(
c,
new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 2, 0, 1],
ptr: [0, 3, 4, 6],
size: [3, 3]
}))
})
it('should add value and pattern matrices correctly', function () {
var a = new math.type.SparseMatrix({
values: [1, 2, 3, 4],
index: [0, 1, 2, 0],
ptr: [0, 2, 3, 4],
size: [3, 3]
})
var b = new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 1],
ptr: [0, 3, 3, 4],
size: [3, 3]
})
var c = add(a, b)
assert.deepEqual(
c,
new math.type.SparseMatrix({
values: undefined,
index: [0, 1, 2, 2, 0, 1],
ptr: [0, 3, 4, 6],
size: [3, 3]
}))
})
})
describe('multiple arguments', function () {
it('should add more than two arguments', function () {
assert.deepEqual(add(2, 3, 4), 9)
assert.deepEqual(add(2, 3, [5, 6]), [10, 11])
assert.deepEqual(add([1, 1], [2, 2], [3, 3]), [6, 6])
assert.deepEqual(add([1, 1], [2, 2], 3), [6, 6])
assert.deepEqual(add([1, 1], 2, 3), [6, 6])
assert.deepEqual(add(math.matrix([1, 1]), math.matrix([2, 2]), math.matrix([3, 3])), math.matrix([6, 6]))
assert.deepEqual(add(math.matrix([1, 1]), math.matrix([2, 2]), 3), math.matrix([6, 6]))
assert.deepEqual(add(math.matrix([1, 1]), 2, 3), math.matrix([6, 6]))
})
})
})