1 | 'use strict';
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3 | var flatten = require('../../utils/array').flatten;
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5 | function factory(type, config, load, typed) {
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6 | var MatrixIndex = load(require('../../type/matrix/MatrixIndex'));
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7 | var DenseMatrix = load(require('../../type/matrix/DenseMatrix'));
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8 | var size = load(require('../matrix/size'));
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9 | var subset = load(require('../matrix/subset'));
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10 | var compareNatural = load(require('../relational/compareNatural'));
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32 | var setCartesian = typed('setCartesian', {
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33 | 'Array | Matrix, Array | Matrix': function ArrayMatrixArrayMatrix(a1, a2) {
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34 | var result = [];
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35 |
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36 | if (subset(size(a1), new MatrixIndex(0)) !== 0 && subset(size(a2), new MatrixIndex(0)) !== 0) {
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37 |
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38 | var b1 = flatten(Array.isArray(a1) ? a1 : a1.toArray()).sort(compareNatural);
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39 | var b2 = flatten(Array.isArray(a2) ? a2 : a2.toArray()).sort(compareNatural);
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40 | result = [];
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41 | for (var i = 0; i < b1.length; i++) {
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42 | for (var j = 0; j < b2.length; j++) {
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43 | result.push([b1[i], b2[j]]);
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44 | }
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45 | }
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46 | }
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47 |
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48 | if (Array.isArray(a1) && Array.isArray(a2)) {
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49 | return result;
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50 | }
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51 |
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52 | return new DenseMatrix(result);
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53 | }
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54 | });
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55 |
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56 | return setCartesian;
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57 | }
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58 |
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59 | exports.name = 'setCartesian';
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60 | exports.factory = factory; |
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