bench: refactor random number stats/base/dists/signrank

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Author: shraddha761

lib/node_modules/@stdlib/stats/base/dists/signrank/cdf/benchmark/benchmark.js

@@ -21,8 +21,8 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var cdf = require( './../lib' );
@@ -38,8 +38,8 @@ bench( pkg, function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
-		n = ceil( randu()*20.0 );
+		x = uniform( 0.0, 20.0 );
+		n = discreteUniform( 1, 20 );
 		y = cdf( x, n );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
@@ -65,7 +65,7 @@ bench( pkg+':factory', function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
+		x = uniform( 0.0, 20.0 );
 		y = mycdf( x );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );

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

@@ -21,8 +21,8 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
-var ceil = require( '@stdlib/math/base/special/ceil' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var pdf = require( './../lib' );
@@ -38,8 +38,8 @@ bench( pkg, function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
-		n = ceil( randu()*20.0 );
+		x = uniform(0.0, 10.0);
+		n = discreteUniform( 1, 20 );
 		y = pdf( x, n );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
@@ -65,7 +65,7 @@ bench( pkg+':factory', function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = randu() * 20.0;
+		x = uniform(0.0, 20.0);
 		y = mypdf( x );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );

lib/node_modules/@stdlib/stats/base/dists/signrank/quantile/benchmark/benchmark.js

@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var randint = require( '@stdlib/random/base/discrete-uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
@@ -38,7 +38,7 @@ bench( pkg, function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		p = randu();
+		p = uniform( 0.0, 1.0 );
 		n = randint( 1, 200 );
 		y = quantile( p, n );
 		if ( isnan( y ) ) {
@@ -65,7 +65,7 @@ bench( pkg+':factory', function benchmark( b ) {
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		p = randu();
+		p = uniform( 0.0, 1.0 );
 		y = myquantile( p );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );