About stdlib...
We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.
The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.
When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.
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Platform byte order.
npm install @stdlib/os-byte-orderAlternatively,
- To load the package in a website via a
scripttag without installation and bundlers, use the ES Module available on theesmbranch (see README). - If you are using Deno, visit the
denobranch (see README for usage intructions). - For use in Observable, or in browser/node environments, use the Universal Module Definition (UMD) build available on the
umdbranch (see README). - To use as a general utility for the command line, install the corresponding CLI package globally.
The branches.md file summarizes the available branches and displays a diagram illustrating their relationships.
To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.
var BYTE_ORDER = require( '@stdlib/os-byte-order' );Platform byte order.
console.log( BYTE_ORDER );
// => <string>-
The following values are possible:
'little-endian''big-endian''mixed-endian'(also known as "middle-endian")'unknown'
var BYTE_ORDER = require( '@stdlib/os-byte-order' );
if ( BYTE_ORDER === 'little-endian' ) {
console.log( 'Least significant byte comes first...' );
} else if ( BYTE_ORDER === 'big-endian' ) {
console.log( 'Most significant byte comes first...' );
} else {
console.log( 'This is uncommon...' );
}#include "stdlib/os/byte_order.h"Macro for an arbitrary constant indicating little-endian order.
#if defined(STDLIB_OS_BYTE_ORDER) && STDLIB_OS_BYTE_ORDER == STDLIB_OS_ORDER_LITTLE_ENDIAN
// Do something for little-endian...
#endifIf compiled on an unrecognized/unsupported platform, the macro is not defined.
Macro for an arbitrary constant indicating big-endian order.
#if defined(STDLIB_OS_BYTE_ORDER) && STDLIB_OS_BYTE_ORDER == STDLIB_OS_ORDER_BIG_ENDIAN
// Do something for big-endian...
#endifIf compiled on an unrecognized/unsupported platform, the macro is not defined.
Macro which equals either STDLIB_OS_ORDER_LITTLE_ENDIAN or STDLIB_OS_ORDER_BIG_ENDIAN (or host defined) depending on the resolved platform byte order.
#if defined(STDLIB_OS_BYTE_ORDER)
#if STDLIB_OS_BYTE_ORDER == STDLIB_OS_ORDER_LITTLE_ENDIAN
// Do something for little-endian...
#elif STDLIB_OS_BYTE_ORDER == STDLIB_OS_ORDER_BIG_ENDIAN
// Do something for big-endian...
#endif
#endifIf compiled on an unrecognized/unsupported platform, the macro is not defined.
#include "stdlib/os/byte_order.h"
#include <stdio.h>
int main( void ) {
#if defined(STDLIB_OS_BYTE_ORDER)
#if STDLIB_OS_BYTE_ORDER == STDLIB_OS_ORDER_LITTLE_ENDIAN
printf( "Platform is little-endian...\n" );
#elif STDLIB_OS_BYTE_ORDER == STDLIB_OS_ORDER_BIG_ENDIAN
printf( "Platform is big-endian...\n" );
#else
printf( "Platform endianness is either mixed-endian or unknown...\n" )
#endif
#endif
}To use as a general utility, install the CLI package globally
npm install -g @stdlib/os-byte-order-cliUsage: byte-order [options]
Options:
-h, --help Print this message.
-V, --version Print the package version.
$ byte-order@stdlib/assert-is-big-endian: check if an environment is big endian.@stdlib/assert-is-little-endian: check if an environment is little endian.
This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
See LICENSE.
Copyright © 2016-2024. The Stdlib Authors.
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