bench: refactor to use string interpolation in lapack/base/zlacpy

PR-URL: #10128
Ref: #8647
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: prajjwalbajpai

lib/node_modules/@stdlib/lapack/base/zlacpy/benchmark/benchmark.js

@@ -26,6 +26,7 @@ var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var zlacpy = require( './../lib/zlacpy.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( N );
-		bench( pkg+':order=column-major,size='+(N*N), f );
+		bench( format( '%s:order=column-major,size=%d', pkg, N*N ), f );
 	}
 }
 

lib/node_modules/@stdlib/lapack/base/zlacpy/benchmark/benchmark.ndarray.js

@@ -26,6 +26,7 @@ var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var floor = require( '@stdlib/math/base/special/floor' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var zlacpy = require( './../lib/ndarray.js' );
 
@@ -103,7 +104,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		N = floor( pow( pow( 10, i ), 1.0/2.0 ) );
 		f = createBenchmark( N );
-		bench( pkg+':ndarray:order=column-major,size='+(N*N), f );
+		bench( format( '%s:ndarray:order=column-major,size=%d', pkg, N*N ), f );
 	}
 }