bench: fix benchmarks

Signed-off-by: Philipp Burckhardt <[email protected]>

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/dists/normal/logpdf/benchmark/benchmark.js

@@ -21,9 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var Float64Array = require( '@stdlib/array/float64' );
 var uniform = require( '@stdlib/random/array/uniform' );
-var randu = require( '@stdlib/random/base/randu' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var pkg = require( './../package.json' ).name;
@@ -41,14 +39,9 @@ bench( pkg, function benchmark( b ) {
 	var i;
 
 	len = 100;
-	x = new Float64Array( len );
-	mu = new Float64Array( len );
-	sigma = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		x[ i ] = uniform( -100.0, 100.0 );
-		mu[ i ] = uniform( -50.0, 50.0 );
-		sigma[ i ] = uniform( EPS, 20.0 );
-	}
+	x = uniform( len, -100.0, 100.0 );
+	mu = uniform( len, -50.0, 50.0 );
+	sigma = uniform( len, EPS, 20.0 );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {