toInt32

Convert an unsigned 32-bit integer to a signed 32-bit integer.

Installation

npm install @stdlib/number-uint32-base-to-int32

Usage

var uint32ToInt32 = require( '@stdlib/number-uint32-base-to-int32' );

uint32ToInt32( x )

Converts an unsigned 32-bit integer to a signed 32-bit integer.

var float64ToUint32 = require( '@stdlib/number-float64-base-to-uint32' );

var y = uint32ToInt32( float64ToUint32( 4294967295 ) );
// returns -1

y = uint32ToInt32( float64ToUint32( 3 ) );
// returns 3

Examples

var randu = require( '@stdlib/random-base-randu' );
var MAX_UINT32 = require( '@stdlib/constants-uint32-max' );
var float64ToUint32 = require( '@stdlib/number-float64-base-to-uint32' );
var uint32ToInt32 = require( '@stdlib/number-uint32-base-to-int32' );

var uint32;
var int32;
var i;

for ( i = 0; i < 100; i++ ) {
    // Generate a random unsigned 32-bit integer:
    uint32 = float64ToUint32( randu()*MAX_UINT32 );

    // Convert the unsigned integer to a signed 32-bit integer:
    int32 = uint32ToInt32( uint32 );

    console.log( 'uint32: %d => int32: %d', uint32, int32 );
}

Notice

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.

Community

License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.