TanTan
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22 lines
541 B
Plaintext
22 lines
541 B
Plaintext
'use strict';
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var modulo = require('./modulo');
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var ToNumber = require('./ToNumber');
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var truncate = require('./truncate');
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var isFinite = require('math-intrinsics/isFinite');
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// https://262.ecma-international.org/14.0/#sec-toint16
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var two16 = 0x10000; // Math.pow(2, 16);
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module.exports = function ToInt16(argument) {
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var number = ToNumber(argument);
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if (!isFinite(number) || number === 0) {
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return 0;
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}
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var int = truncate(number);
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var int16bit = modulo(int, two16);
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return int16bit >= 0x8000 ? int16bit - two16 : int16bit;
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};
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