bench: refactor number generation

PR-URL: #5198
Closes: #5149

Reviewed-by: Philipp Burckhardt <[email protected]>

Author: hrshya

lib/node_modules/@stdlib/stats/base/dists/binomial/skewness/benchmark/benchmark.native.js

@@ -25,8 +25,8 @@ var bench = require( '@stdlib/bench' );
 var Int32Array = require( '@stdlib/array/int32' );
 var Float64Array = require( '@stdlib/array/float64' );
 var tryRequire = require( '@stdlib/utils/try-require' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 
@@ -52,8 +52,8 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	n = new Int32Array( len );
 	p = new Float64Array( len );
 	for ( i = 0; i < len; i++ ) {
-		n[ i ] = ceil( randu() * 100.0 );
-		p[ i ] = randu();
+		n[ i ] = discreteUniform( 1, 100 );
+		p[ i ] = uniform( 0.0, 1.0 );
 	}
 
 	b.tic();