refactor examples

Author: Pranavchiku

lib/node_modules/@stdlib/blas/base/dswap/examples/index.js

@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2020 The Stdlib Authors.
+* Copyright (c) 2023 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -18,22 +18,14 @@
 
 'use strict';
 
-var randu = require( '@stdlib/random/base/randu' );
-var round = require( '@stdlib/math/base/special/round' );
-var Float64Array = require( '@stdlib/array/float64' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var dswap = require( './../lib' );
 
-var x;
-var y;
-var i;
-
-x = new Float64Array( 10 );
-y = new Float64Array( 10 );
-for ( i = 0; i < x.length; i++ ) {
-	x[ i ] = round( randu()*500.0 );
-	y[ i ] = round( randu()*255.0 );
-}
+var x = filledarrayBy( 10, 'float64', discreteUniform( 0, 500 ) );
 console.log( x );
+
+var y = filledarrayBy( x.length, 'float64', discreteUniform( 0, 255 ) );
 console.log( y );
 
 // Swap elements in `x` and `y` starting from the end of `y`: