bench: use string interpolation in math/base/special/floor

PR-URL: #10736
Ref: #8647

Co-authored-by: Egger <egger@horny-toad.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: travisbreaks

lib/node_modules/@stdlib/math/base/special/floor/benchmark/benchmark.js

@@ -23,6 +23,7 @@
 var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var floor = require( './../lib' );
 
@@ -51,7 +52,7 @@ bench( pkg, function benchmark( b ) {
 	b.end();
 });
 
-bench( pkg+'::built-in', function benchmark( b ) {
+bench( format( '%s::built-in', pkg ), function benchmark( b ) {
 	var x;
 	var y;
 	var i;

lib/node_modules/@stdlib/math/base/special/floor/benchmark/benchmark.native.js

@@ -25,6 +25,7 @@ var bench = require( '@stdlib/bench' );
 var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -38,7 +39,7 @@ var opts = {
 
 // MAIN //
 
-bench( pkg+'::native', opts, function benchmark( b ) {
+bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
 	var x;
 	var y;
 	var i;