bench: add factory benchmarks

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Author: anandkaranubc

lib/node_modules/@stdlib/stats/base/dists/bradford/pdf/benchmark/benchmark.js

@@ -52,3 +52,27 @@ bench( pkg, function benchmark( b ) {
 	b.pass( 'benchmark finished' );
 	b.end();
 });
+
+bench( pkg+':factory', function benchmark( b ) {
+	var mypdf;
+	var x;
+	var y;
+	var i;
+
+	x = uniform( 100, 0.0, 1.0 );
+	mypdf = pdf.factory( 5.0 );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		y = mypdf( x[ i % x.length ] );
+		if ( isnan( y ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnan( y ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});