Glen Whitney
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The Vector type is simply a generic type for built-in JavaScript Arrays. The parameter type is the type of all of the entries of the Array. The Vector type also supports inhomogeneous arrays by using the special type `Unknown` as the argument type, but note that when computing with inhomogeneous arrays, method dispatch must be performed separately for every entry in a calculation, making all operations considerably slower than on homogeneous Vector instances. Note also that arithmetic operations on nested Vectors, e.g. `Vector(Vector(NumberT))` are defined so as to interpret such entities as ordinary matrices, represented in row-major format (i.e., the component `Vector(NumberT)` items of such an entity are the _rows_ of the matrix. Reviewed-on: #28 Co-authored-by: Glen Whitney <glen@studioinfinity.org> Co-committed-by: Glen Whitney <glen@studioinfinity.org>
24 lines
881 B
JavaScript
24 lines
881 B
JavaScript
import assert from 'assert'
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import {BooleanT} from '../BooleanT.js'
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import math from '#nanomath'
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describe('BooleanT Type', () => {
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it('correctly recognizes booleans', () => {
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assert(BooleanT.test(true))
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assert(BooleanT.test(false))
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assert(!BooleanT.test(null))
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assert(!BooleanT.test(1))
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})
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it('autoconverts to number type', () => {
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assert.strictEqual(math.abs(false), 0)
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assert.strictEqual(math.normsq(true), 1)
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assert.strictEqual(math.add(true, true), 2)
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assert.strictEqual(math.divide(false, true), 0)
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assert.strictEqual(math.cbrt(true), 1)
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assert.strictEqual(math.invert(true), 1)
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assert.strictEqual(math.multiply(false, false), 0)
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assert.strictEqual(math.negate(false), -0)
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assert.strictEqual(math.subtract(false, true), -1)
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assert.strictEqual(math.quotient(true, true), 1)
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})
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})
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