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@webassemblyjs/ieee754

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    @webassemblyjs/ieee754

IEEE754 decoder and encoder


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Package description

What is @webassemblyjs/ieee754?

The @webassemblyjs/ieee754 package is designed for encoding and decoding floating-point numbers according to the IEEE 754 standard. This is particularly useful when working with WebAssembly, as it allows for precise handling of floating-point numbers in a format that's compatible with WebAssembly's binary representation.

What are @webassemblyjs/ieee754's main functionalities?

Encoding floating-point numbers

This feature allows you to encode JavaScript floating-point numbers into a format that's compatible with WebAssembly's binary representation. The example shows how to encode the number 1.5 as a 64-bit floating-point number.

const { encode } = require('@webassemblyjs/ieee754');
const buffer = new ArrayBuffer(8);
const view = new DataView(buffer);
encode(view, 0, 1.5, 64);

Decoding floating-point numbers

This feature allows you to decode floating-point numbers from a binary format into JavaScript numbers. The example demonstrates decoding a 64-bit floating-point number from a DataView into a JavaScript number.

const { decode } = require('@webassemblyjs/ieee754');
const buffer = new ArrayBuffer(8);
const view = new DataView(buffer);
view.setFloat64(0, 1.5, true);
const number = decode(view, 0, 64);

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Last updated on 13 Mar 2024

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