Auto-generated commit

Author: stdlib-bot

CHANGELOG.md

@@ -22,6 +22,7 @@
 
 <details>
 
+-   [`3a6a913`](https://github.com/stdlib-js/stdlib/commit/3a6a913fe41d3ffbbb4f73837fc6aa8396cdccce) - **bench:** update random value generation [(#6377)](https://github.com/stdlib-js/stdlib/pull/6377) _(by Harsh)_
 -   [`a644ffe`](https://github.com/stdlib-js/stdlib/commit/a644ffeba579430f342444b80fa9d21cc4a635f4) - **chore:** remove obsolete accuracy and precision scripts [(#6435)](https://github.com/stdlib-js/stdlib/pull/6435) _(by Karan Anand)_
 -   [`4301694`](https://github.com/stdlib-js/stdlib/commit/43016945387e02d6396d33cb7134c62c977b7fd8) - **docs:** update related packages sections [(#4362)](https://github.com/stdlib-js/stdlib/pull/4362) _(by stdlib-bot)_
 -   [`e450426`](https://github.com/stdlib-js/stdlib/commit/e450426813957ec4de5e31434edb969741db7c94) - **bench:** add missing native suffix _(by Philipp Burckhardt)_
@@ -41,9 +42,10 @@
 
 ### Contributors
 
-A total of 3 people contributed to this release. Thank you to the following contributors:
+A total of 4 people contributed to this release. Thank you to the following contributors:
 
 -   Athan Reines
+-   Harsh
 -   Karan Anand
 -   Philipp Burckhardt
 

benchmark/benchmark.js

@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench-harness' );
-var randu = require( '@stdlib/random-base-randu' );
+var uniform = require( '@stdlib/random-array-uniform' );
 var isnan = require( '@stdlib/math-base-assert-is-nan' );
 var pkg = require( './../package.json' ).name;
 var log2 = require( './../lib' );
@@ -41,10 +41,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, 0.0, 1000.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 0.0;
-		y = log2( x );
+		y = log2( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -62,10 +63,11 @@ bench( pkg+'::built-in', opts, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, 0.0, 1000.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 0.0;
-		y = Math.log2( x ); // eslint-disable-line stdlib/no-builtin-math
+		y = Math.log2( x[ i%x.length ] ); // eslint-disable-line stdlib/no-builtin-math
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

benchmark/benchmark.native.js

@@ -22,7 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench-harness' );
-var randu = require( '@stdlib/random-base-randu' );
+var uniform = require( '@stdlib/random-array-uniform' );
 var isnan = require( '@stdlib/math-base-assert-is-nan' );
 var tryRequire = require( '@stdlib/utils-try-require' );
 var pkg = require( './../package.json' ).name;
@@ -43,10 +43,11 @@ bench( pkg+'::native', opts, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, 0.0, 1000.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 0.0;
-		y = log2( x );
+		y = log2( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

benchmark/c/benchmark.c

@@ -90,15 +90,18 @@ static double rand_double( void ) {
 */
 static double benchmark( void ) {
 	double elapsed;
-	double x;
+	double x[ 100 ];
 	double y;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 1000.0*rand_double() ) - 0.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 1000.0*rand_double() ) - 0.0;
-		y = log2( x );
+		y = log2( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

benchmark/c/cephes/benchmark.c

@@ -95,15 +95,18 @@ static double rand_double( void ) {
 */
 static double benchmark( void ) {
 	double elapsed;
-	double x;
+	double x[ 100 ];
 	double y;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 1000.0*rand_double() ) - 0.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 1000.0*rand_double() ) - 0.0;
-		y = log2( x );
+		y = log2( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

benchmark/c/native/benchmark.c

@@ -91,15 +91,18 @@ static double rand_double( void ) {
 */
 static double benchmark( void ) {
 	double elapsed;
-	double x;
+	double x[ 100 ];
 	double y;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 1000.0*rand_double() ) - 0.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 1000.0*rand_double() ) - 0.0;
-		y = stdlib_base_log2( x );
+		y = stdlib_base_log2( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

package.json

@@ -60,6 +60,7 @@
     "@stdlib/math-base-assert-is-positive-zero": "^0.2.2",
     "@stdlib/math-base-special-abs": "^0.2.2",
     "@stdlib/math-base-special-round": "^0.3.0",
+    "@stdlib/random-array-uniform": "^0.2.1",
     "@stdlib/random-base-randu": "^0.2.1",
     "@stdlib/utils-try-require": "^0.2.2",
     "tape": "git+https://github.com/kgryte/tape.git#fix/globby",

test/test.js

@@ -211,23 +211,23 @@ tape( 'the function evaluates the binary logarithm of `x` (subnormal values)', f
 });
 
 tape( 'the function returns `-infinity` if provided `0`', function test( t ) {
-	t.equal( log2( 0.0 ), NINF, 'equals -infinity' );
+	t.equal( log2( 0.0 ), NINF, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `+infinity` if provided `+infinity`', function test( t ) {
-	t.equal( log2( PINF ), PINF, 'equals +infinity' );
+	t.equal( log2( PINF ), PINF, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `NaN` if provided a negative number', function test( t ) {
 	var v = log2( -1.0 );
-	t.equal( isnan( v ), true, 'returns NaN' );
+	t.equal( isnan( v ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns positive zero if provided `1.0`', function test( t ) {
 	var v = log2( 1.0 );
-	t.equal( isPositiveZero( v ), true, 'returns +0' );
+	t.equal( isPositiveZero( v ), true, 'returns expected value' );
 	t.end();
 });

test/test.native.js

@@ -220,23 +220,23 @@ tape( 'the function evaluates the binary logarithm of `x` (subnormal values)', o
 });
 
 tape( 'the function returns `-infinity` if provided `0`', opts, function test( t ) {
-	t.equal( log2( 0.0 ), NINF, 'equals -infinity' );
+	t.equal( log2( 0.0 ), NINF, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `+infinity` if provided `+infinity`', opts, function test( t ) {
-	t.equal( log2( PINF ), PINF, 'equals +infinity' );
+	t.equal( log2( PINF ), PINF, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `NaN` if provided a negative number', opts, function test( t ) {
 	var v = log2( -1.0 );
-	t.equal( isnan( v ), true, 'returns NaN' );
+	t.equal( isnan( v ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns positive zero if provided `1.0`', opts, function test( t ) {
 	var v = log2( 1.0 );
-	t.equal( isPositiveZero( v ), true, 'returns +0' );
+	t.equal( isPositiveZero( v ), true, 'returns expected value' );
 	t.end();
 });