Resolves #4982 by improving benchmark accuracy and performance.

Author: Mohammad-Tamerr

lib/node_modules/@stdlib/stats/base/dists/pareto-type1/cdf/benchmark/benchmark.js

@@ -31,22 +31,19 @@ var cdf = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
-	var alpha;
-	var beta;
+	var alpha = uniform( EPS, 100.0 );
+    var beta = uniform( EPS, 100.0 );
 	var x;
 	var y;
 	var i;
 
-	b.tic();
-	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) + EPS;
-		alpha = ( randu()*100.0 ) + EPS;
-		beta = ( randu()*100.0 ) + EPS;
-		y = cdf( x, alpha, beta );
-		if ( isnan( y ) ) {
-			b.fail( 'should not return NaN' );
-		}
-	}
+    for ( i = 0; i < b.iterations; i++ ) {
+        x = uniform( EPS, 20.0 );
+        y = cdf( x, alpha, beta );
+        if ( isnan( y ) ) {
+            b.fail( 'should not return NaN' );
+        }
+    }
 	b.toc();
 	if ( isnan( y ) ) {
 		b.fail( 'should not return NaN' );
@@ -56,25 +53,21 @@ bench( pkg, function benchmark( b ) {
 });
 
 bench( pkg+':factory', function benchmark( b ) {
-	var mycdf;
-	var alpha;
-	var beta;
+	var alpha = 100.56789;
+    var beta = 55.54321;
+    var mycdf = cdf.factory( alpha, beta );
 	var x;
 	var y;
 	var i;
 
-	alpha = 100.56789;
-	beta = 55.54321;
-	mycdf = cdf.factory( alpha, beta );
-
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*50.0 ) + EPS;
-		y = mycdf( x );
-		if ( isnan( y ) ) {
-			b.fail( 'should not return NaN' );
-		}
-	}
+        x = uniform( EPS, 50.0 );
+        y = mycdf( x );
+        if ( isnan( y ) ) {
+            b.fail( 'should not return NaN' );
+        }
+    }
 	b.toc();
 	if ( isnan( y ) ) {
 		b.fail( 'should not return NaN' );