chore: added benchmarks and tests

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Author: DhruvArvindSingh

lib/node_modules/@stdlib/blas/base/srotg/README.md

@@ -92,6 +92,137 @@ for ( i = 0; i < 100; i++ ) {
 
 <!-- /.examples -->
 
+<!-- C interface documentation. -->
+
+* * *
+
+<section class="c">
+
+## C APIs
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- C usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/blas/base/srotg.h"
+```
+
+#### c_srotg( a, b, \*Out, strideOut )
+
+Constructs a Givens plane rotation provided two single-precision floating-point values `a` and `b`.
+
+```c
+float Out[4];
+c_srotg( 0.0, 2.0, Out, 1 );
+// Out => <Float32Array>[ 2.0, 1.0, 0.0, 1.0 ]
+```
+
+The function accepts the following arguments:
+
+-   **a**: `[in] float` rotational elimination parameter.
+-   **b**: `[in] float` rotational elimination parameter.
+-   **Out**: `[inout] float*` output array.
+-   **strideOut**: `[in] CBLAS_INT` stride length for `Out`.
+
+```c
+void c_srotg_assign( float a, float b, float* Out, const CBLAS_INT strideOut, const CBLAS_INT offsetOut );
+```
+
+#### c_srotg_assign(a, b, \*Out, strideOut, offsetOut )
+
+Constructs a Givens plane rotation provided two single-precision floating-point values `a` and `b` and assigns results to an output array.
+
+```c
+float Out[4];
+c_srotg_assign( 0.0, 2.0, Out, 1, 0 );
+// Out => <Float32Array>[ 2.0, 1.0, 0.0, 1.0 ]
+```
+
+The function accepts the following arguments:
+
+-   **a**: `[in] float` rotational elimination parameter.
+-   **b**: `[in] float` rotational elimination parameter.
+-   **Out**: `[inout] float*` output array.
+-   **strideOut**: `[in] CBLAS_INT` stride length for `Out`.
+-   **offsetOut**: `[in] CBLAS_INT` starting index for `Out`.
+
+Givens transformation.
+
+```c
+void c_srotg_assign( float a, float b, float* Out, const CBLAS_INT strideOut, const CBLAS_INT offsetOut );
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- C API usage examples. -->
+
+<section class="examples">
+
+### Examples
+
+```c
+#include "stdlib/blas/base/srotg.h"
+#include <stdio.h>
+
+int main( void ) {
+    // Specify rotational elimination parameter:
+    const float a = 0.0;
+    const float b = 2.0;
+    int i;
+
+    // Create strided arrays:
+    float Out[4];
+
+    // Specify stride lengths:
+    const int strideOut = 1;
+
+    // Apply plane rotation:
+    c_srotg( a, b, Out, strideOut );
+
+    // Print the result:
+    for ( i = 0; i < 4; i++ ) {
+        printf( "Out[%d] =  %f\n", i, Out[i] );
+    }
+
+    // Apply plane rotation
+    c_srotg_assign( a, b, Out, strideOut, 0 );
+
+    // Print the result:
+    for ( i = 0; i < 4; i++ ) {
+        printf( "Out[%d] =  %f\n", i, Out[i] );
+    }
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+</section>
+
+<!-- /.c -->
+
 <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
 
 <section class="related">

lib/node_modules/@stdlib/blas/base/srotg/benchmark/benchmark.assign.native.js

@@ -0,0 +1,71 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2023 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var resolve = require( 'path' ).resolve;
+var bench = require( '@stdlib/bench' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var uniform = require( '@stdlib/random/array/uniform' );
+var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
+var pkg = require( './../package.json' ).name;
+
+
+// VARIABLES //
+
+var srotg = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( srotg instanceof Error )
+};
+
+
+// VARIABLES //
+
+var OPTS = {
+	'dtype': 'float32'
+};
+
+
+// MAIN //
+
+bench( pkg, opts, function benchmark( b ) {
+	var out;
+	var x;
+	var y;
+	var i;
+
+	x = uniform( 100, -5, 5, OPTS );
+	y = uniform( 100, -5, 5, OPTS );
+	out = uniform( 4, 0, 0, OPTS );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		srotg( x[ i%x.length ], y[ i%y.length ], out, 1, 0 );
+		if ( typeof out !=='object' ) {
+			b.fail( 'should return an array' );
+		}
+	}
+	b.toc();
+	if ( isnanf( out[ i%4 ] ) ) {
+		b.fail( 'should return the output array' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/blas/base/srotg/benchmark/benchmark.js

@@ -21,9 +21,8 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
-var Float32Array = require( '@stdlib/array/float32' );
 var pkg = require( './../package.json' ).name;
 var srotg = require( './../lib' );
 
@@ -43,8 +42,8 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
-	x = discreteUniform( 100, -5, 5, OPTS );
-	y = discreteUniform( 100, -5, 5, OPTS );
+	x = uniform( 100, -5, 5, OPTS );
+	y = uniform( 100, -5, 5, OPTS );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
@@ -68,9 +67,9 @@ bench( pkg+':assign', function benchmark( b ) {
 	var z;
 	var i;
 
-	x = discreteUniform( 100, -5, 5, OPTS );
-	y = discreteUniform( 100, -5, 5, OPTS );
-	out = new Float32Array( 4 );
+	x = uniform( 100, -5, 5, OPTS );
+	y = uniform( 100, -5, 5, OPTS );
+	out = uniform( 4, 0, 0, OPTS );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {

lib/node_modules/@stdlib/blas/base/srotg/benchmark/benchmark.native.js

@@ -23,9 +23,8 @@
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
 var tryRequire = require( '@stdlib/utils/try-require' );
-var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
-var Float32Array = require( '@stdlib/array/float32' );
 var pkg = require( './../package.json' ).name;
 
 
@@ -52,13 +51,13 @@ bench( pkg, opts, function benchmark( b ) {
 	var y;
 	var i;
 
-	x = discreteUniform( 100, -5, 5, OPTS );
-	y = discreteUniform( 100, -5, 5, OPTS );
-	out = new Float32Array( 4 );
+	x = uniform( 100, -5, 5, OPTS );
+	y = uniform( 100, -5, 5, OPTS );
+	out = uniform( 4, 0, 0, OPTS );
 
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		srotg( x[ i%x.length ], y[ i%y.length ], out, 1, 0 );
+		srotg( x[ i%x.length ], y[ i%y.length ], out, 1 );
 		if ( typeof out !=='object' ) {
 			b.fail( 'should return an array' );
 		}

lib/node_modules/@stdlib/blas/base/srotg/benchmark/c/benchmark.c renamed to lib/node_modules/@stdlib/blas/base/srotg/benchmark/c/benchmark.length.c

@@ -93,7 +93,7 @@ static double random_uniform( const double min, const double max ) {
 *
 * @return elapsed time in seconds
 */
-static double benchmark( void ) {
+static double benchmark1( void ) {
 	double elapsed;
 	float a[ 100 ];
 	float b[ 100 ];
@@ -108,7 +108,40 @@ static double benchmark( void ) {
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		srotg( a[ i % 100 ], b[ i % 100 ], Out, 1, 0 );
+		c_srotg( a[ i % 100 ], b[ i % 100 ], Out, 1 );
+		if ( stdlib_base_is_nan( Out[0] ) || stdlib_base_is_nan( Out[1] ) || stdlib_base_is_nan( Out[2] ) || stdlib_base_is_nan( Out[3] ) ) {
+			printf( "should not return NaN\n" );
+			break;
+		}
+	}
+	elapsed = tic() - t;
+	if ( stdlib_base_is_nan( Out[0] ) || stdlib_base_is_nan( Out[1] ) || stdlib_base_is_nan( Out[2] ) || stdlib_base_is_nan( Out[3] ) ) {
+		printf( "should not return NaN\n" );
+	}
+	return elapsed;
+}
+
+/**
+* Runs a benchmark.
+*
+* @return elapsed time in seconds
+*/
+static double benchmark2( void ) {
+	double elapsed;
+	float a[ 100 ];
+	float b[ 100 ];
+	float Out[ 4 ];
+	double t;
+	int i;
+
+	for ( i = 0; i < 100; i++ ) {
+		a[ i ] = random_uniform( 0.0, 100.0 );
+		b[ i ] = random_uniform( 0.0, 100.0 ) - 50.0;
+	}
+
+	t = tic();
+	for ( i = 0; i < ITERATIONS; i++ ) {
+		c_srotg_assign( a[ i % 100 ], b[ i % 100 ], Out, 1, 0 );
 		if ( stdlib_base_is_nan( Out[0] ) || stdlib_base_is_nan( Out[1] ) || stdlib_base_is_nan( Out[2] ) || stdlib_base_is_nan( Out[3] ) ) {
 			printf( "should not return NaN\n" );
 			break;
@@ -126,17 +159,36 @@ static double benchmark( void ) {
 */
 int main( void ) {
 	double elapsed;
+	int count;
+	int iter;
+	int len;
 	int i;
-
+	int j;
 	// Use the current time to seed the random number generator:
 	srand( time( NULL ) );
-
 	print_version();
-	for ( i = 0; i < REPEATS; i++ ) {
-		printf( "# c::%s\n", NAME );
-		elapsed = benchmark();
-		print_results( elapsed );
-		printf( "ok %d benchmark finished\n", i+1 );
+	count = 0;
+	for ( i = MIN; i <= MAX; i++ ) {
+		len = pow( 10, i );
+		iter = ITERATIONS / pow( 10, i-1 );
+		for ( j = 0; j < REPEATS; j++ ) {
+			count += 1;
+			printf( "# c::%s:len=%d\n", NAME, len );
+			elapsed = benchmark1( iter, len );
+			print_results( iter, elapsed );
+			printf( "ok %d benchmark finished\n", count );
+		}
+	}
+	for ( i = MIN; i <= MAX; i++ ) {
+		len = pow( 10, i );
+		iter = ITERATIONS / pow( 10, i-1 );
+		for ( j = 0; j < REPEATS; j++ ) {
+			count += 1;
+			printf( "# c::%s:ndarray:len=%d\n", NAME, len );
+			elapsed = benchmark2( iter, len );
+			print_results( iter, elapsed );
+			printf( "ok %d benchmark finished\n", count );
+		}
 	}
-	print_summary( REPEATS, REPEATS );
+	print_summary( count, count );
 }