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62 lines
2.1 KiB
JavaScript
62 lines
2.1 KiB
JavaScript
// test emultiply (element-wise multiply)
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var assert = require('assert'),
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math = require('../../../math.js'),
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approx = require('../../../tools/approx.js'),
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emultiply = math.emultiply,
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divide = math.divide,
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matrix = math.matrix,
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complex = math.complex,
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range = math.range,
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i = math.i,
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unit = math.unit;
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// parser
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/* TODO: emultiply for parser
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approx.equal(math.eval('4 .* 2'), 8);
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approx.equal(math.eval('8 .* 2 .* 2'), 32);
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*/
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approx.equal(math.eval('emultiply(4, 2)'), 8);
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// number
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approx.equal(emultiply(2, 3), 6);
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approx.equal(emultiply(-2, 3), -6);
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approx.equal(emultiply(-2, -3), 6);
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approx.equal(emultiply(5, 0), 0);
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approx.equal(emultiply(0, 5), 0);
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// complex
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approx.deepEqual(emultiply(complex(2, 3), 2), complex(4, 6));
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approx.deepEqual(emultiply(complex(2, -3), 2), complex(4, -6));
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approx.deepEqual(emultiply(complex(0, 1), complex(2, 3)), complex(-3, 2));
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approx.deepEqual(emultiply(complex(2, 3), complex(2, 3)), complex(-5, 12));
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approx.deepEqual(emultiply(2, complex(2, 3)), complex(4, 6));
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approx.deepEqual(divide(complex(-5, 12), complex(2, 3)), complex(2, 3));
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// unit
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assert.equal(emultiply(2, unit('5 mm')).toString(), '10 mm');
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assert.equal(emultiply(2, unit('5 mm')).toString(), '10 mm');
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assert.equal(emultiply(unit('5 mm'), 2).toString(), '10 mm');
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assert.equal(emultiply(unit('5 mm'), 0).toString(), '0 m');
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// string
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assert.throws(function () {emultiply("hello", "world")});
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assert.throws(function () {emultiply("hello", 2)});
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// matrix, array, range
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var a = matrix([[1,2],[3,4]]);
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var b = matrix([[5,6],[7,8]]);
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var c = matrix([[5],[6]]);
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var d = matrix([[5,6]]);
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approx.deepEqual(emultiply(a, 3), matrix([[3,6],[9,12]]));
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approx.deepEqual(emultiply(3, a), matrix([[3,6],[9,12]]));
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approx.deepEqual(emultiply(a, b), matrix([[5,12],[21,32]]));
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approx.deepEqual(emultiply([[1,2],[3,4]], [[5,6],[7,8]]), [[5,12],[21,32]]);
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approx.deepEqual(emultiply(range(1, 4), 2), [2, 4, 6, 8]);
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assert.throws(function () {emultiply(a, c)});
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assert.throws(function () {emultiply(d, a)});
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assert.throws(function () {emultiply(d, b)});
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assert.throws(function () {emultiply(d, c)});
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assert.throws(function () {emultiply(c, b)});
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