bench: fix array dtypes

Author: kgryte

lib/node_modules/@stdlib/array/base/put/benchmark/benchmark.length.js

@@ -29,6 +29,13 @@ var pkg = require( './../package.json' ).name;
 var put = require( './../lib' );
 
 
+// VARIABLES //
+
+var opts = {
+	'dtype': 'generic'
+};
+
+
 // FUNCTIONS //
 
 /**
@@ -43,11 +50,11 @@ function createBenchmark( len ) {
 	var idx;
 	var x;
 
-	x = discreteUniform( len, 0, 10 );
+	x = discreteUniform( len, 0, 10, opts );
 	idx = zeroTo( len );
 	values = [
-		discreteUniform( len, -10, 0 ),
-		discreteUniform( len, 0, 10 )
+		discreteUniform( len, -10, 0, opts ),
+		discreteUniform( len, 0, 10, opts )
 	];
 
 	return benchmark;