Package Exports

compute-const-max-safe-integer

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Readme

Max Safe Integer

Maximum safe double-precision floating-point integer.

Installation

$ npm install compute-const-max-safe-integer

For use in the browser, use browserify.

Usage

var MAX_SAFE_INTEGER = require( 'compute-const-max-safe-integer' );

MAX_SAFE_INTEGER

The maximum safe double-precision floating-point integer.

MAX_SAFE_INTEGER === Math.pow( 2, 53 ) - 1; // 9007199254740991

Examples

var MAX_SAFE_INTEGER = require( 'compute-const-max-safe-integer' );

var max = Math.pow( 2, 55 ),
    len = 100,
    val,
    i;

for ( i = 0; i < len; i++ ) {
    val = Math.round( Math.random() * max );
    if ( val > MAX_SAFE_INTEGER ) {
        console.log( 'Unsafe: %d', val );
    } else {
        console.log( 'Safe: %d', val );
    }
}

To run the example code from the top-level application directory,

$ node ./examples/index.js

Tests

Unit

Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

$ make test

All new feature development should have corresponding unit tests to validate correct functionality.

Test Coverage

This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

$ make test-cov

Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

$ make view-cov

License

MIT license.

compute-const-max-safe-integer