fix: benchmark.native.js

Signed-off-by: Shabareesh Shetty <[email protected]>

Author: ShabiShett07

lib/node_modules/@stdlib/stats/base/dists/kumaraswamy/kurtosis/benchmark/benchmark.native.js

@@ -42,22 +42,22 @@ var opts = {
 
 bench( pkg+'::native', opts, function benchmark( b ) {
 	var len;
-	var a;
-	var x;
+	var shape1;
+	var shape2;
 	var y;
 	var i;
 
 	len = 100;
-	a = new Float64Array( len );
-	x = new Float64Array( len );
+	shape1 = new Float64Array( len );
+	shape2 = new Float64Array( len );
 	for ( i = 0; i < len; i++ ) {
-		a[ i ] = ( randu() * 100.0 ) - 50.0;
-		x[ i ] = ( randu() * 20.0 ) + EPS;
+		shape1[ i ] = ( randu() * 10.0 ) + EPS;
+		shape2[ i ] = ( randu() * 10.0 ) + EPS;
 	}
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		y = kurtosis( a[ i % len ], x[ i % len ] );
+		y = kurtosis( shape1[ i % len ], shape2[ i % len ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}