bench: update random value generation

PR-URL: #6327
Co-authored-by: Athan Reines <[email protected]>
Reviewed-by: Athan Reines <[email protected]> 
Signed-off-by: Athan Reines <[email protected]>

Author: hrshya

lib/node_modules/@stdlib/math/base/special/erfc/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/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var erfc = require( './../lib' );
@@ -34,10 +34,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -500.0, 500.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 500.0;
-		y = erfc( x );
+		y = erfc( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/erfc/benchmark/benchmark.native.js

@@ -22,7 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-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, -500.0, 500.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 500.0;
-		y = erfc( x );
+		y = erfc( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/erfc/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() ) - 500.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 1000.0*rand_double() ) - 500.0;
-		y = erfc( x );
+		y = erfc( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/erfc/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 ] = ( 2.0*rand_double() ) - 1.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 2.0*rand_double() ) - 1.0;
-		y = erfc( x );
+		y = erfc( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/erfc/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() ) - 500.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 1000.0*rand_double() ) - 500.0;
-		y = stdlib_base_erfc( x );
+		y = stdlib_base_erfc( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/erfc/test/test.js

@@ -291,30 +291,30 @@ tape( 'the function evaluates the complementary error function for subnormal `x`
 
 tape( 'if provided `-0`, the function returns `1`', function test( t ) {
 	var y = erfc( -0.0 );
-	t.equal( y, 1.0, 'returns 1' );
+	t.equal( y, 1.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `+0`, the function returns `1`', function test( t ) {
 	var y = erfc( +0.0 );
-	t.equal( y, 1.0, 'returns 1' );
+	t.equal( y, 1.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `-infinity`, the function returns `2`', function test( t ) {
 	var y = erfc( NINF );
-	t.equal( y, 2.0, 'returns 2' );
+	t.equal( y, 2.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `+infinity`, the function returns `0`', function test( t ) {
 	var y = erfc( PINF );
-	t.equal( y, 0.0, 'returns 0' );
+	t.equal( y, 0.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `NaN`, the function returns `NaN`', function test( t ) {
 	var y = erfc( NaN );
-	t.equal( isnan( y ), true, 'returns NaN' );
+	t.equal( isnan( y ), true, 'returns expected value' );
 	t.end();
 });

lib/node_modules/@stdlib/math/base/special/erfc/test/test.native.js

@@ -300,30 +300,30 @@ tape( 'the function evaluates the complementary error function for subnormal `x`
 
 tape( 'if provided `-0`, the function returns `1`', opts, function test( t ) {
 	var y = erfc( -0.0 );
-	t.equal( y, 1.0, 'returns 1' );
+	t.equal( y, 1.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `+0`, the function returns `1`', opts, function test( t ) {
 	var y = erfc( +0.0 );
-	t.equal( y, 1.0, 'returns 1' );
+	t.equal( y, 1.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `-infinity`, the function returns `2`', opts, function test( t ) {
 	var y = erfc( NINF );
-	t.equal( y, 2.0, 'returns 2' );
+	t.equal( y, 2.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `+infinity`, the function returns `0`', opts, function test( t ) {
 	var y = erfc( PINF );
-	t.equal( y, 0.0, 'returns 0' );
+	t.equal( y, 0.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if provided `NaN`, the function returns `NaN`', opts, function test( t ) {
 	var y = erfc( NaN );
-	t.equal( isnan( y ), true, 'returns NaN' );
+	t.equal( isnan( y ), true, 'returns expected value' );
 	t.end();
 });

lib/node_modules/@stdlib/math/base/special/erfcinv/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/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
 var erfcinv = require( './../lib' );
@@ -34,10 +34,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, 0.0, 2.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*2.0 ) - 0.0;
-		y = erfcinv( x );
+		y = erfcinv( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/erfcinv/benchmark/benchmark.native.js

@@ -22,7 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-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, 2.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*2.0 ) - 0.0;
-		y = erfcinv( x );
+		y = erfcinv( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/erfcinv/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 ] = ( 2.0 * rand_double() ) - 0.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 2.0 * rand_double() ) - 0.0;
-		y = stdlib_base_erfcinv( x );
+		y = stdlib_base_erfcinv( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;