bench: update random value generation

lib/node_modules/@stdlib/math/base/special/sincos/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 sin = require( '@stdlib/math/base/special/sin' );
 var cos = require( '@stdlib/math/base/special/cos' );
@@ -36,10 +36,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y = sincos( x );
+		y = sincos( x[ i%x.length ] );
 		if ( isnan( y[0] ) || isnan( y[1] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -57,11 +58,12 @@ bench( pkg+'::separate-evaluation', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y = [ sin( x ), cos( x ) ];
+		y = [ sin( x[ i%x.length ] ), cos( x[ i%x.length ] ) ];
 		if ( isnan( y[0] ) || isnan( y[1] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -79,11 +81,12 @@ bench( pkg+':assign', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		sincos.assign( x, y, 1, 0 );
+		sincos.assign( x[ i%x.length ], y, 1, 0 );
 		if ( isnan( y[0] ) || isnan( y[1] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -101,12 +104,13 @@ bench( pkg+'::separate-evaluation,in-place', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y[0] = sin( x );
-		y[1] = cos( x );
+		y[0] = sin( x[ i%x.length ] );
+		y[1] = cos( x[ i%x.length ] );
 		if ( isnan( y[0] ) || isnan( y[1] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -124,10 +128,11 @@ bench( pkg+'::built-in', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y = [ Math.sin( x ), Math.cos( x ) ]; // eslint-disable-line stdlib/no-builtin-math
+		y = [ Math.sin( x[ i%x.length ] ), Math.cos( x[ i%x.length ] ) ]; // eslint-disable-line stdlib/no-builtin-math
 		if ( isnan( y[0] ) || isnan( y[1] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -145,12 +150,13 @@ bench( pkg+'::built-in,in-place', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y[0] = Math.sin( x ); // eslint-disable-line stdlib/no-builtin-math
-		y[1] = Math.cos( x ); // eslint-disable-line stdlib/no-builtin-math
+		y[0] = Math.sin( x[ i%x.length ] ); // eslint-disable-line stdlib/no-builtin-math
+		y[1] = Math.cos( x[ i%x.length ] ); // eslint-disable-line stdlib/no-builtin-math
 		if ( isnan( y[0] ) || isnan( y[1] ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/sincos/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, -10.0, 10.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu() * 20.0 ) - 10.0;
-		y = sincos( x );
+		y = sincos( x[ i%x.length ] );
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}

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

@@ -89,18 +89,21 @@ 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 ] = ( 20.0 * rand_double() ) - 10.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 20.0 * rand_double() ) - 10.0;
-		y = sin( x );
-		z = cos( x );
+		y = sin( x[ i%100 ] );
+		z = cos( x[ i%100 ] );
 		if ( y != y || z != z ) {
 			printf( "should not return NaN\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/sincos/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 ] = ( 20.0*rand_double() ) - 10.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 20.0*rand_double() ) - 10.0;
-		sincos( x, &y, &z, 0 );
+		sincos( x[ i%100 ], &y, &z, 0 );
 		if ( y != y || z != z ) {
 			printf( "should not return NaN\n" );
 			break;

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

@@ -90,17 +90,20 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
+	double x[ 100 ];
 	double elapsed;
 	double cosine;
 	double sine;
-	double x;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 20.0 * rand_double() ) - 10.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 20.0 * rand_double() ) - 10.0;
-		stdlib_base_sincos( x, &sine, &cosine );
+		stdlib_base_sincos( x[ i%100 ], &sine, &cosine );
 		if ( cosine != cosine || sine != sine ) {
 			printf( "unexpected results\n" );
 			break;

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

@@ -90,17 +90,20 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
+	double x[ 100 ];
 	double elapsed;
 	double cosine;
 	double sine;
-	double x;
 	double t;
 	int i;
 
+	for ( i = 0; i < 100; i++ ) {
+		x[ i ] = ( 20.0 * rand_double() ) - 10.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 20.0 * rand_double() ) - 10.0;
-		stdlib_base_sincosd( x, &sine, &cosine );
+		stdlib_base_sincosd( x[ i%100 ], &sine, &cosine );
 		if ( cosine != cosine || sine != sine ) {
 			printf( "unexpected results\n" );
 			break;

lib/node_modules/@stdlib/math/base/special/sincospi/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 sinpi = require( '@stdlib/math/base/special/sinpi' );
 var cospi = require( '@stdlib/math/base/special/cospi' );
@@ -37,10 +37,11 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y = sincospi( x );
+		y = sincospi( x[ i%x.length ] );
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -58,11 +59,12 @@ bench( pkg+'::separate-evaluation', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y = [ sinpi( x ), cospi( x ) ];
+		y = [ sinpi( x[ i%x.length ] ), cospi( x[ i%x.length ] ) ];
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -80,11 +82,12 @@ bench( pkg+':assign', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		sincospi.assign( x, y, 1, 0 );
+		sincospi.assign( x[ i%x.length ], y, 1, 0 );
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -102,12 +105,13 @@ bench( pkg+'::separate-evaluation,in-place', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y[ 0 ] = sinpi( x );
-		y[ 1 ] = cospi( x );
+		y[ 0 ] = sinpi( x[ i%x.length ] );
+		y[ 1 ] = cospi( x[ i%x.length ] );
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -125,10 +129,11 @@ bench( pkg+'::built-in', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y = [ Math.sin( PI*x ), Math.cos( PI*x ) ]; // eslint-disable-line stdlib/no-builtin-math
+		y = [ Math.sin( PI*x[ i%x.length ] ), Math.cos( PI*x[ i%x.length ] ) ]; // eslint-disable-line stdlib/no-builtin-math
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}
@@ -146,12 +151,13 @@ bench( pkg+'::built-in,in-place', function benchmark( b ) {
 	var y;
 	var i;
 
+	x = uniform( 100, -10.0, 10.0 );
 	y = [ 0.0, 0.0 ];
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu()*20.0 ) - 10.0;
-		y[ 0 ] = Math.sin( PI*x ); // eslint-disable-line stdlib/no-builtin-math
-		y[ 1 ] = Math.cos( PI*x ); // eslint-disable-line stdlib/no-builtin-math
+		y[ 0 ] = Math.sin( PI*x[ i%x.length ] ); // eslint-disable-line stdlib/no-builtin-math
+		y[ 1 ] = Math.cos( PI*x[ i%x.length ] ); // eslint-disable-line stdlib/no-builtin-math
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}

lib/node_modules/@stdlib/math/base/special/sincospi/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, -10.0, 10.0 );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		x = ( randu() * 20.0 ) - 10.0;
-		y = sincospi( x );
+		y = sincospi( x[ i%x.length ] );
 		if ( isnan( y[ 0 ] ) || isnan( y[ 1 ] ) ) {
 			b.fail( 'should not return NaN' );
 		}

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

@@ -89,18 +89,21 @@ 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 ] = ( 20.0 * rand_double() ) - 10.0;
+	}
+
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		x = ( 20.0 * rand_double() ) - 10.0;
-		y = sin( M_PI * x );
-		z = cos( M_PI * x );
+		y = sin( M_PI * x[ i%100 ] );
+		z = cos( M_PI * x[ i%100 ] );
 		if ( y != y || z != z ) {
 			printf( "should not return NaN\n" );
 			break;