chore: update benchmark.js

Signed-off-by: Anshu Kumar <[email protected]>

Author: anxhukumar

lib/node_modules/@stdlib/stats/incr/nanmeanabs/benchmark/benchmark.js

@@ -21,6 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
+var randu = require( '@stdlib/random/base/randu' );
 var pkg = require( './../package.json' ).name;
 var incrnanmeanabs = require( './../lib' );
 
@@ -54,7 +55,7 @@ bench( pkg+'::accumulator', function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		v = acc( i );
+		v = acc(  randu()-0.5  );
 		if ( v !== v ) {
 			b.fail( 'should not return NaN' );
 		}