mirror of
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235 lines
6.5 KiB
JavaScript
235 lines
6.5 KiB
JavaScript
// test data type Matrix
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var assert = require('assert');
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var math = require('../../index.js'),
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index = math.index;
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var m = math.matrix();
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assert.equal(m.isScalar(), true);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [0]);
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assert.deepEqual(m.toScalar(), null);
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assert.throws(function () { m.get([-1]); });
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m = math.matrix([[23]]);
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assert.equal(m.isScalar(), true);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [1,1]);
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assert.deepEqual(m.toScalar(), 23);
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assert.deepEqual(m.get(index(0,0)), 23);
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m = math.matrix([[1,2,3],[4,5,6]]);
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assert.equal(m.isScalar(), false);
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assert.equal(m.isVector(), false);
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assert.deepEqual(m.size(), [2,3]);
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assert.equal(m.get(index(1,2)), 6);
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assert.equal(m.get(index(0,1)), 2);
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assert.throws(function () { m.get(index(1,2,3)); });
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assert.throws(function () { m.get(index(3,0)); });
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assert.throws(function () { m.get(index(1)); });
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m = math.matrix([1,2,3]);
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assert.equal(m.isScalar(), false);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [3]);
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assert.deepEqual(m.toVector(), [1,2,3]);
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m = math.matrix([[1],[2],[3]]);
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assert.equal(m.isScalar(), false);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [3,1]);
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assert.deepEqual(m.toVector(), [1,2,3]);
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m = math.matrix([[[1],[2],[3]]]);
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assert.equal(m.isScalar(), false);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [1,3,1]);
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assert.deepEqual(m.toVector(), [1,2,3]);
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m = math.matrix([[[3]]]);
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assert.equal(m.isScalar(), true);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [1,1,1]);
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assert.deepEqual(m.toVector(), [3]);
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m = math.matrix([[]]);
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assert.equal(m.isScalar(), true);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [1,0]);
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assert.deepEqual(m.toVector(), []);
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m = math.matrix();
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assert.equal(m.isScalar(), true);
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assert.equal(m.isVector(), true);
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assert.deepEqual(m.size(), [0]);
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assert.deepEqual(m.toVector(), []);
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// test resizing
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m = math.matrix([[1,2,3],[4,5,6]]);
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assert.deepEqual(m.size(), [2,3]);
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m.resize([2,4]);
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assert.deepEqual(m.size(), [2,4]);
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assert.deepEqual(m.valueOf(), [[1,2,3,0],[4,5,6,0]]);
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m.resize([1,2]);
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assert.deepEqual(m.size(), [1,2]);
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assert.deepEqual(m.valueOf(), [[1,2]]);
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m.resize([1,2,2], 8);
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assert.deepEqual(m.size(), [1,2,2]);
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assert.deepEqual(m.valueOf(), [[[1,8],[2,8]]]);
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m.resize([2,3], 9);
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assert.deepEqual(m.size(), [2,3]);
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assert.deepEqual(m.valueOf(), [[1, 2, 9], [9, 9, 9]]);
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m = math.matrix();
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assert.deepEqual(m.size(), [0]);
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m.resize([3,3,3], 6);
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assert.deepEqual(m.size(), [3,3,3]);
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assert.deepEqual(m.valueOf(), [
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[[6,6,6],[6,6,6],[6,6,6]],
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[[6,6,6],[6,6,6],[6,6,6]],
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[[6,6,6],[6,6,6],[6,6,6]]
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]);
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m.set(index(2,2,1), 3);
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assert.deepEqual(m.valueOf(), [
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[[6,6,6],[6,6,6],[6,6,6]],
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[[6,6,6],[6,6,6],[6,6,6]],
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[[6,6,6],[6,6,6],[6,3,6]]
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]);
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m.resize([2,2]);
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assert.deepEqual(m.size(), [2,2]);
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assert.deepEqual(m.valueOf(), [[6,6],[6,6]]);
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m.set(index(1,0), 3);
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assert.deepEqual(m.valueOf(), [[6,6],[3,6]]);
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m.resize([0]);
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assert.deepEqual(m.size(), [0]);
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assert.deepEqual(m.valueOf(), []);
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m = math.matrix();
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m.set(index(1,2), 5);
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assert.deepEqual(m.size(), [2,3]);
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assert.deepEqual(m.valueOf(), [[0,0,0],[0,0,5]]);
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// get 1-dimensional
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m = math.matrix(math.range(0,10));
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assert.deepEqual(m.size(), [10]);
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assert.deepEqual(m.get(index([2,5])).valueOf(), [2,3,4]);
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// get 2-dimensional
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m = math.matrix([[1,2,3],[4,5,6],[7,8,9]]);
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assert.deepEqual(m.size(), [3,3]);
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assert.deepEqual(m.get(index(1,1)), 5);
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assert.deepEqual(m.get(index([0,2],[0,2])).valueOf(), [[1,2],[4,5]]);
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assert.deepEqual(m.get(math.index(1, [1,3])).valueOf(), [[5,6]]);
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assert.deepEqual(m.get(math.index(0, [1,3])).valueOf(), [[2,3]]);
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assert.deepEqual(m.get(math.index([1,3], 1)).valueOf(), [[5],[8]]);
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assert.deepEqual(m.get(math.index([1,3], 2)).valueOf(), [[6],[9]]);
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// get n-dimensional
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m = math.matrix([[[1,2],[3,4]], [[5,6],[7,8]]]);
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assert.deepEqual(m.size(), [2,2,2]);
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assert.deepEqual(m.get(index([0,2],[0,2],[0,2])).valueOf(), m.valueOf());
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assert.deepEqual(m.get(index(0,0,0)), 1);
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assert.deepEqual(m.get(index(1,1,1)).valueOf(), 8);
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assert.deepEqual(m.get(index(1,1,[0,2])).valueOf(), [[[7,8]]]);
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assert.deepEqual(m.get(index(1,[0,2],1)).valueOf(), [[[6],[8]]]);
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// set 1-dimensional
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m = math.matrix(math.range(0,7));
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m.set(index([2,4]), [20,30]);
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assert.deepEqual(m.size(), [7]);
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assert.deepEqual(m.valueOf(), [0,1,20,30,4,5,6]);
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m.set(index(4), 40);
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assert.deepEqual(m.size(), [7]);
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assert.deepEqual(m.valueOf(), [0,1,20,30,40,5,6]);
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// set 2-dimensional
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m = math.matrix();
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m.resize([3,3]);
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assert.deepEqual(m.size(), [3,3]);
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assert.deepEqual(m.valueOf(), [[0,0,0],[0,0,0],[0,0,0]]);
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m.set(index([1,3], [1,3]), [[1,2],[3,4]]);
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assert.deepEqual(m.size(), [3,3]);
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assert.deepEqual(m.valueOf(), [[0,0,0],[0,1,2],[0,3,4]]);
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// set 2-dimensional with resize
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m = math.matrix([[123]]);
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assert.deepEqual(m.size(), [1,1]);
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m.set(index([1,3], [1,3]), [[1,2],[3,4]]);
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assert.deepEqual(m.size(), [3,3]);
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assert.deepEqual(m.valueOf(), [[123,0,0],[0,1,2],[0,3,4]]);
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// set resize dimensions
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m = math.matrix([123]);
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assert.deepEqual(m.size(), [1]);
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m.set(index([1,3], [1,3]), [[1,2],[3,4]]);
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assert.deepEqual(m.size(), [3,3]);
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assert.deepEqual(m.valueOf(), [[123,0,0],[0,1,2],[0,3,4]]);
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m.set(math.index([0,2], [0,2]), [[55,55],[55,55]]);
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assert.deepEqual(m.size(), [3,3]);
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assert.deepEqual(m.valueOf(), [[55,55,0],[55,55,2],[0,3,4]]);
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m = math.matrix();
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assert.deepEqual(m.size(), [0]);
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m.set(index([1,3], [1,3], [1,3]), [[[1,2],[3,4]],[[5,6],[7,8]]]);
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assert.deepEqual(m.size(), [3,3,3]);
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assert.deepEqual(m.valueOf(), [
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[
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[0,0,0],
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[0,0,0],
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[0,0,0]
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],
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[
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[0,0,0],
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[0,1,2],
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[0,3,4]
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],
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[
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[0,0,0],
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[0,5,6],
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[0,7,8]
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]
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]);
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// test matrix.map
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m = math.matrix([[1,2,3], [4,5,6]]);
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m2 = m.map(function (value) {
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return value * 2;
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});
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assert.deepEqual(m2.size(), [2,3]);
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assert.deepEqual(m2.valueOf(), [[2,4,6],[8,10,12]]);
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// test matrix.indexOf
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var output = [];
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m.forEach(function (value, index, obj) {
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output.push(math.clone([value, index, obj === m]));
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});
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assert.deepEqual(output, [
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[1, [0, 0], true ],
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[2, [0, 1], true ],
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[3, [0, 2], true ],
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[4, [1, 0], true ],
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[5, [1, 1], true ],
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[6, [1, 2], true ]
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]);
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assert.deepEqual(m.map(function (value, index, obj) {
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return math.clone([value, index, obj === m]);
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}).valueOf(), [
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[
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[1, [0, 0], true ],
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[2, [0, 1], true ],
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[3, [0, 2], true ]
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],
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[
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[4, [1, 0], true ],
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[5, [1, 1], true ],
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[6, [1, 2], true ]
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]
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]);
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// test clone
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m4 = m.clone();
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assert.deepEqual(m4.size(), [2,3]);
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assert.deepEqual(m4.valueOf(), [[1,2,3], [4,5,6]]);
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// TODO: extensively test Matrix
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