bench: update random value generation

lib/node_modules/@stdlib/math/base/special/sici/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 isArray = require( '@stdlib/assert/is-array' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pkg = require( './../package.json' ).name;
@@ -35,10 +35,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -50.0, 50.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu() * 100.0 ) - 50.0;
-		y = sici( x );
+		y = sici( x[ i%x.length ] );
 		if ( isnan( y[ 0 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -61,11 +62,11 @@ bench( pkg+':assign', function benchmark( b ) {
 	var i;
 
 	out = [ 0.0, 0.0 ];
+	x = uniform( 100, -50.0, 50.0 );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu() * 100.0 ) - 50.0;
-		y = sici.assign( x, out, 1, 0 );
+		y = sici.assign( x[ i%x.length ], out, 1, 0 );
 		if ( isnan( y[ 0 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/sici/benchmark/c/cephes/benchmark.c

@@ -94,17 +94,20 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
+	double x[ 100 ];
 	double elapsed;
-	double x;
 	double y;
 	double z;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 100.0*rand_double() ) - 50.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 100.0*rand_double() ) - 50.0;
-		sici( x, &y, &z );
+		sici( x[ i%100 ], &y, &z );
 		if ( y != y || z != z ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/sici/test/test.assign.js

@@ -267,8 +267,8 @@ tape( 'the function returns `[0,-Infinity]` if provided `0`', function test( t )
 	out = [ 0.0, 0.0 ];
 	val = sici( 0.0, out, 1, 0 );
 	t.equal( val, out, 'returns output array' );
-	t.strictEqual( val[ 0 ], 0.0, 'first element equals NaN' );
-	t.strictEqual( val[ 1 ], NINF, 'second element equals -Infinity' );
+	t.strictEqual( val[ 0 ], 0.0, 'returns expected value' );
+	t.strictEqual( val[ 1 ], NINF, 'returns expected value' );
 	t.end();
 });
 
@@ -279,8 +279,8 @@ tape( 'the function returns `[-PI/2,NaN]` if provided `-Infinity`', function tes
 	out = [ 0.0, 0.0 ];
 	val = sici( NINF, out, 1, 0 );
 	t.equal( val, out, 'returns output array' );
-	t.strictEqual( val[ 0 ], -HALF_PI, 'first element equals -PI/2' );
-	t.strictEqual( isnan( val[ 1 ] ), true, 'second element equals NaN' );
+	t.strictEqual( val[ 0 ], -HALF_PI, 'returns expected value' );
+	t.strictEqual( isnan( val[ 1 ] ), true, 'returns expected value' );
 	t.end();
 });
 
@@ -291,8 +291,8 @@ tape( 'the function returns `[PI/2,0]` if provided `+Infinity`', function test(
 	out = [ 0.0, 0.0 ];
 	val = sici( PINF, out, 1, 0 );
 	t.equal( val, out, 'returns output array' );
-	t.strictEqual( val[ 0 ], HALF_PI, 'first element equals PI/2' );
-	t.strictEqual( val[ 1 ], 0, 'second element equals 0' );
+	t.strictEqual( val[ 0 ], HALF_PI, 'returns expected value' );
+	t.strictEqual( val[ 1 ], 0, 'returns expected value' );
 	t.end();
 });
 
@@ -303,8 +303,8 @@ tape( 'the function returns `[NaN,NaN]` if provided `NaN`', function test( t ) {
 	out = [ 0.0, 0.0 ];
 	val = sici( NaN, out, 1, 0 );
 	t.equal( val, out, 'returns output array' );
-	t.strictEqual( isnan( val[ 0 ] ), true, 'first element equals NaN' );
-	t.strictEqual( isnan( val[ 1 ] ), true, 'second element equals NaN' );
+	t.strictEqual( isnan( val[ 0 ] ), true, 'returns expected value' );
+	t.strictEqual( isnan( val[ 1 ] ), true, 'returns expected value' );
 	t.end();
 });
 
@@ -316,8 +316,8 @@ tape( 'the function supports providing an output object (array)', function test(
 	val = sici( 3.0, out, 1, 0 );
 
 	t.strictEqual( val, out, 'returns output object' );
-	t.strictEqual( val[ 0 ], 1.848652527999468, 'has expected first element' );
-	t.strictEqual( val[ 1 ], 0.11962978600800023, 'has expected second element' );
+	t.strictEqual( val[ 0 ], 1.848652527999468, 'returns expected value' );
+	t.strictEqual( val[ 1 ], 0.11962978600800023, 'returns expected value' );
 
 	t.end();
 });
@@ -330,8 +330,8 @@ tape( 'the function supports providing an output object (typed array)', function
 	val = sici( 3.0, out, 1, 0 );
 
 	t.strictEqual( val, out, 'returns output object' );
-	t.strictEqual( val[ 0 ], 1.848652527999468, 'has expected first element' );
-	t.strictEqual( val[ 1 ], 0.11962978600800023, 'has expected second element' );
+	t.strictEqual( val[ 0 ], 1.848652527999468, 'returns expected value' );
+	t.strictEqual( val[ 1 ], 0.11962978600800023, 'returns expected value' );
 
 	t.end();
 });

lib/node_modules/@stdlib/math/base/special/sici/test/test.main.js

@@ -242,31 +242,31 @@ tape( 'the function computes the sine and cosine integrals for very large positi
 tape( 'the function returns `[0,-Infinity]` if provided `0`', function test( t ) {
 	var val = sici( 0.0 );
 	t.strictEqual( isArray( val ), true, 'returns an array' );
-	t.strictEqual( val[ 0 ], 0.0, 'first element equals NaN' );
-	t.strictEqual( val[ 1 ], NINF, 'second element equals -Infinity' );
+	t.strictEqual( val[ 0 ], 0.0, 'returns expected value' );
+	t.strictEqual( val[ 1 ], NINF, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `[-PI/2,NaN]` if provided `-Infinity`', function test( t ) {
 	var val = sici( NINF );
 	t.strictEqual( isArray( val ), true, 'returns an array' );
-	t.strictEqual( val[ 0 ], -HALF_PI, 'first element equals -PI/2' );
-	t.strictEqual( isnan( val[ 1 ] ), true, 'second element equals NaN' );
+	t.strictEqual( val[ 0 ], -HALF_PI, 'returns expected value' );
+	t.strictEqual( isnan( val[ 1 ] ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `[PI/2,0]` if provided `+Infinity`', function test( t ) {
 	var val = sici( PINF );
 	t.strictEqual( isArray( val ), true, 'returns an array' );
-	t.strictEqual( val[ 0 ], HALF_PI, 'first element equals PI/2' );
-	t.strictEqual( val[ 1 ], 0, 'second element equals 0' );
+	t.strictEqual( val[ 0 ], HALF_PI, 'returns expected value' );
+	t.strictEqual( val[ 1 ], 0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `[NaN,NaN]` if provided `NaN`', function test( t ) {
 	var val = sici( NaN );
 	t.strictEqual( isArray( val ), true, 'returns an array' );
-	t.strictEqual( isnan( val[ 0 ] ), true, 'first element equals NaN' );
-	t.strictEqual( isnan( val[ 1 ] ), true, 'second element equals NaN' );
+	t.strictEqual( isnan( val[ 0 ] ), true, 'returns expected value' );
+	t.strictEqual( isnan( val[ 1 ] ), true, 'returns expected value' );
 	t.end();
 });

lib/node_modules/@stdlib/math/base/special/signum/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 signum = require( './../lib' );
@@ -41,10 +41,11 @@ 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 = signum( x );
+		y = signum( 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, -500.0, 500.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*1000.0 ) - 500.0;
-		y = Math.sign( x ); // eslint-disable-line stdlib/no-builtin-math
+		y = Math.sign( x[ i%x.length ] ); // eslint-disable-line stdlib/no-builtin-math
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/signum/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 = signum( x );
+		y = signum( x[ i%x.length ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/signum/benchmark/c/benchmark.c

@@ -89,16 +89,19 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
+	double x[ 100 ];
 	double elapsed;
-	double x;
 	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 = signbit( x );
+		y = signbit( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/signum/benchmark/c/cephes/benchmark.c

@@ -96,16 +96,19 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
+	double x[ 100 ];
 	double elapsed;
-	double x;
 	double t;
 	int y;
 	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 = signbit( x );
+		y = signbit( x[ i%100 ] );
 		if ( y > 1 || y < -1 ) {
 			printf( "should not return a number greater than 1\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/signum/benchmark/c/native/benchmark.c

@@ -90,16 +90,19 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
+	double x[ 100 ];
 	double elapsed;
-	double x;
 	double y;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( rand_double()*1000.0 ) - 500.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( rand_double()*1000.0 ) - 500.0;
-		y = stdlib_base_signum( x );
+		y = stdlib_base_signum( x[ i%100 ] );
 		if ( y != y ) {
 			printf( "should not return NaN\n" );
 			break;

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

@@ -40,38 +40,38 @@ tape( 'main export is a function', function test( t ) {
 
 tape( 'the function returns `NaN` if provided `NaN`', function test( t ) {
 	var sign = signum( NaN );
-	t.equal( isnan( sign ), true, 'returns NaN' );
+	t.equal( isnan( sign ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `-0` if provided `-0`', function test( t ) {
 	var sign = signum( -0.0 );
-	t.equal( isNegativeZero( sign ), true, 'returns -0' );
+	t.equal( isNegativeZero( sign ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `0` if provided +0', function test( t ) {
 	var sign;
 
 	sign = signum( 0.0 );
-	t.equal( isPositiveZero( sign ), true, 'returns +0' );
+	t.equal( isPositiveZero( sign ), true, 'returns expected value' );
 
 	sign = signum( +0.0 );
-	t.equal( isPositiveZero( sign ), true, 'returns +0' );
+	t.equal( isPositiveZero( sign ), true, 'returns expected value' );
 
 	t.end();
 });
 
 tape( 'the function returns `-1` if provided a negative number', function test( t ) {
-	t.equal( signum( -10.0 ), -1.0, 'signum(-10) => -1' );
-	t.equal( signum( -PI ), -1.0, 'signum(-π) => -1' );
-	t.equal( signum( NINF ), -1.0, 'signum(-infinity) => -1' );
+	t.equal( signum( -10.0 ), -1.0, 'returns expected value' );
+	t.equal( signum( -PI ), -1.0, 'returns expected value' );
+	t.equal( signum( NINF ), -1.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `+1` if provided a positive number', function test( t ) {
-	t.equal( signum( 10.0 ), 1.0, 'signum(10) => 1' );
-	t.equal( signum( PI ), 1.0, 'signum(π) => 1' );
-	t.equal( signum( PINF ), 1.0, 'signum(infinity) => 1' );
+	t.equal( signum( 10.0 ), 1.0, 'returns expected value' );
+	t.equal( signum( PI ), 1.0, 'returns expected value' );
+	t.equal( signum( PINF ), 1.0, 'returns expected value' );
 	t.end();
 });

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

@@ -49,38 +49,38 @@ tape( 'main export is a function', opts, function test( t ) {
 
 tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) {
 	var sign = signum( NaN );
-	t.equal( isnan( sign ), true, 'returns NaN' );
+	t.equal( isnan( sign ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `-0` if provided `-0`', opts, function test( t ) {
 	var sign = signum( -0.0 );
-	t.equal( isNegativeZero( sign ), true, 'returns -0' );
+	t.equal( isNegativeZero( sign ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `0` if provided +0', opts, function test( t ) {
 	var sign;
 
 	sign = signum( 0.0 );
-	t.equal( isPositiveZero( sign ), true, 'returns +0' );
+	t.equal( isPositiveZero( sign ), true, 'returns expected value' );
 
 	sign = signum( +0.0 );
-	t.equal( isPositiveZero( sign ), true, 'returns +0' );
+	t.equal( isPositiveZero( sign ), true, 'returns expected value' );
 
 	t.end();
 });
 
 tape( 'the function returns `-1` if provided a negative number', opts, function test( t ) {
-	t.equal( signum( -10.0 ), -1.0, 'signum(-10) => -1' );
-	t.equal( signum( -PI ), -1.0, 'signum(-π) => -1' );
-	t.equal( signum( NINF ), -1.0, 'signum(-infinity) => -1' );
+	t.equal( signum( -10.0 ), -1.0, 'returns expected value' );
+	t.equal( signum( -PI ), -1.0, 'returns expected value' );
+	t.equal( signum( NINF ), -1.0, 'returns expected value' );
 	t.end();
 });
 
 tape( 'the function returns `+1` if provided a positive number', opts, function test( t ) {
-	t.equal( signum( 10.0 ), 1.0, 'signum(10) => 1' );
-	t.equal( signum( PI ), 1.0, 'signum(π) => 1' );
-	t.equal( signum( PINF ), 1.0, 'signum(infinity) => 1' );
+	t.equal( signum( 10.0 ), 1.0, 'returns expected value' );
+	t.equal( signum( PI ), 1.0, 'returns expected value' );
+	t.equal( signum( PINF ), 1.0, 'returns expected value' );
 	t.end();
 });