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34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
// test transpose
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var assert = require('assert'),
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math = require('../../../index')();
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describe('transpose', function() {
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it('should transpose a scalar', function() {
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assert.deepEqual(math.transpose(3), 3);
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});
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it('should transpose a vector', function() {
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assert.deepEqual(math.transpose([1,2,3]), [1,2,3]);
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assert.deepEqual(math.transpose(math.matrix([1,2,3])), math.matrix([1,2,3]));
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});
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it('should transpose a 2d matrix', function() {
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assert.deepEqual(math.transpose([[1,2,3],[4,5,6]]), [[1,4],[2,5],[3,6]]);
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assert.deepEqual(math.transpose(math.matrix([[1,2,3],[4,5,6]])), math.matrix([[1,4],[2,5],[3,6]]));
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assert.deepEqual(math.transpose([[1,2],[3,4]]), [[1,3],[2,4]]);
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assert.deepEqual(math.transpose([[1,2,3,4]]), [[1],[2],[3],[4]]);
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});
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it('should throw an error for invalid matrix transpose', function() {
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assert.throws(function () {
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assert.deepEqual(math.transpose([[]]), [[]]); // size [2,0]
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});
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assert.throws(function () {
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math.transpose([[[1],[2]],[[3],[4]]]); // size [2,2,1]
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});
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});
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});
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