| 1 | var utils = require('../utils')
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| 2 | , nodes = require('../nodes');
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| 3 |
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| 4 | /**
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| 5 | * Apply Math `fn` to `n`.
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| 6 | *
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| 7 | * @param {Unit} n
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| 8 | * @param {String} fn
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| 9 | * @return {Unit}
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| 10 | * @api private
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| 11 | */
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| 12 |
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| 13 | function math(n, fn){
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| 14 | utils.assertType(n, 'unit', 'n');
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| 15 | utils.assertString(fn, 'fn');
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| 16 | return new nodes.Unit(Math[fn.string](n.val), n.type);
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| 17 | }
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| 18 | math.params = ['n', 'fn'];
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| 19 | module.exports = math;
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