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36 lines
1.0 KiB
JavaScript
36 lines
1.0 KiB
JavaScript
import { safeIfNeeded } from "./_util/arrayIterator.mjs";
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import { convertToNumber, roundToFloat16Bits } from "./_util/converter.mjs";
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import {
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DataViewPrototypeGetUint16,
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DataViewPrototypeSetUint16,
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} from "./_util/primordials.mjs";
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/**
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* returns an unsigned 16-bit float at the specified byte offset from the start of the DataView
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* @param {DataView} dataView
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* @param {number} byteOffset
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* @param {[boolean]} opts
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* @returns {number}
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*/
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export function getFloat16(dataView, byteOffset, ...opts) {
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return convertToNumber(
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DataViewPrototypeGetUint16(dataView, byteOffset, ...safeIfNeeded(opts))
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);
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}
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/**
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* stores an unsigned 16-bit float value at the specified byte offset from the start of the DataView
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* @param {DataView} dataView
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* @param {number} byteOffset
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* @param {number} value
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* @param {[boolean]} opts
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*/
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export function setFloat16(dataView, byteOffset, value, ...opts) {
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return DataViewPrototypeSetUint16(
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dataView,
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byteOffset,
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roundToFloat16Bits(value),
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...safeIfNeeded(opts)
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);
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}
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