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c957d41053
Resolves #1633 Co-authored-by: Hjortur Jonasson <hjorturjonasson@gmail.com> Co-authored-by: Jos de Jong <wjosdejong@gmail.com> Co-authored-by: Glen Whitney <glen@studioinfinity.org>
25 lines
1.0 KiB
JavaScript
25 lines
1.0 KiB
JavaScript
import assert from 'assert'
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import math from '../../../../src/defaultInstance.js'
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const cumsum = math.expression.transform.cumsum
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describe('cumsum.transform', function () {
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it('should return the cumsum along a dimension on a matrix with one based indicies', function () {
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assert.deepStrictEqual(cumsum([[1, 2], [3, 4]]), [[1, 2], [4, 6]])
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assert.deepStrictEqual(cumsum([[1, 2], [3, 4]], 1), [[1, 2], [4, 6]])
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assert.deepStrictEqual(cumsum([[1, 2], [3, 4]], 2), [[1, 3], [3, 7]])
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assert.deepStrictEqual(cumsum(math.matrix([[1, 2], [3, 4]]), 2), math.matrix([[1, 3], [3, 7]]))
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})
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it('should use transform for evaluations', function () {
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assert.deepStrictEqual(math.evaluate('cumsum([[1, 2], [3, 4]], 1)'), math.matrix([[1, 2], [4, 6]]))
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assert.deepStrictEqual(math.evaluate('cumsum([[1, 2], [3, 4]], 2)'), math.matrix([[1, 3], [3, 7]]))
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})
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it('should LaTeX cumsum', function () {
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const expression = math.parse('cumsum(1,2,3)')
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assert.strictEqual(expression.toTex(), '\\mathrm{cumsum}\\left(1,2,3\\right)')
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})
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})
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