glen/pocomath
2
1
Fork 0
Code Issues 3 Pull requests Projects Releases Wiki Activity

feat: Template operations (#41)

Browse source 
Relational functions are added using templates, and existing generic functions are made more strict with them. Also a new built-in typeOf function is added, that automatically updates itself.

Resolves #34.

Co-authored-by: Glen Whitney <glen@studioinfinity.org>
Reviewed-on: #41
This commit is contained in:
Glen Whitney 2022-08-01 10:09:32 +00:00
parent 2609310b8e
commit fe54bc6004
29 changed files with 480 additions and 119 deletions
Download patch file Download diff file Expand all files Collapse all files

21
test/_pocomath.mjs
View file

@ -1,4 +1,5 @@
import assert from 'assert'
import PocomathInstance from '../src/core/PocomathInstance.mjs'
import math from '../src/pocomath.mjs'
describe('The default full pocomath instance "math"', () => {
@ -10,14 +11,25 @@ describe('The default full pocomath instance "math"', () => {
assert.strictEqual(undef.length, 0)
})
it('has a built-in typeOf operator', () => {
assert.strictEqual(math.typeOf(42), 'NumInt')
assert.strictEqual(math.typeOf(-1.5), 'number')
assert.strictEqual(math.typeOf(-42n), 'bigint')
assert.strictEqual(math.typeOf(undefined), 'undefined')
assert.strictEqual(math.typeOf({re: 15n, im: -2n}), 'GaussianInteger')
assert.strictEqual(math.typeOf({re: 6.28, im: 2.72}), 'Complex')
})
it('can subtract numbers', () => {
assert.strictEqual(math.subtract(12, 5), 7)
//assert.strictEqual(math.subtract(3n, 1.5), 1.5)
})
it('can add numbers', () => {
assert.strictEqual(math.add(3, 4), 7)
assert.strictEqual(math.add(1.5, 2.5, 3.5), 7.5)
assert.strictEqual(math.add(Infinity), Infinity)
assert.throws(() => math.add(3n, -1.5), TypeError)
})
it('can negate numbers', () => {
@ -26,16 +38,17 @@ describe('The default full pocomath instance "math"', () => {
})
it('can be extended', () => {
math.installType('stringK', {
const stretch = PocomathInstance.merge(math) // clone to not pollute math
stretch.installType('stringK', {
test: s => typeof s === 'string' && s.charAt(0) === 'K',
before: ['string']
})
math.install({
stretch.install({
add: {
'...stringK': () => addends => addends.reduce((x,y) => x+y, '')
},
})
assert.strictEqual(math.add('Kilroy','K is here'), 'KilroyK is here')
assert.strictEqual(stretch.add('Kilroy','K is here'), 'KilroyK is here')
})
it('handles complex numbers', () => {
@ -46,10 +59,10 @@ describe('The default full pocomath instance "math"', () => {
assert.deepStrictEqual(
math.subtract(math.complex(1,1), math.complex(2,-2)),
math.complex(-1,3))
assert.strictEqual(math.negate(math.complex(3, 8)).im, -8)
assert.deepStrictEqual(
math.subtract(16, math.add(3, math.complex(0,4), 2)),
math.complex(11, -4))
assert.strictEqual(math.negate(math.complex(3, 8)).im, -8)
})
it('handles bigints', () => {