UNPKG

881 BJavaScriptView Raw
1'use strict';
2var $ = require('../internals/export');
3var uncurryThis = require('../internals/function-uncurry-this');
4var aDataView = require('../internals/a-data-view');
5var toIndex = require('../internals/to-index');
6var packIEEE754 = require('../internals/ieee754').pack;
7var f16round = require('../internals/math-f16round');
8
9// eslint-disable-next-line es/no-typed-arrays -- safe
10var setUint16 = uncurryThis(DataView.prototype.setUint16);
11
12// `DataView.prototype.setFloat16` method
13// https://github.com/tc39/proposal-float16array
14$({ target: 'DataView', proto: true }, {
15 setFloat16: function setFloat16(byteOffset, value /* , littleEndian */) {
16 aDataView(this);
17 var offset = toIndex(byteOffset);
18 var bytes = packIEEE754(f16round(value), 10, 2);
19 return setUint16(this, offset, bytes[1] << 8 | bytes[0], arguments.length > 2 ? arguments[2] : false);
20 }
21});