fix: update return value and tests for blas/ext/base/gcusumkbn

PR-URL: stdlib-js#5064
Reviewed-by: Athan Reines <[email protected]>

Author: headlessNode

lib/node_modules/@stdlib/blas/ext/base/gcusumkbn/docs/types/test.ts

@@ -28,7 +28,7 @@ import gcusumkbn = require( './index' );
 	const y = new Float64Array( 10 );
 
 	gcusumkbn( x.length, 0.0, x, 1, y, 1 ); // $ExpectType Float64Array
-	gcusumkbn( x.length, 0.0, new AccessorArray( x ), 1, new AccessorArray( y ), 1 ); // $ExpectType AccessorArray
+	gcusumkbn( x.length, 0.0, new AccessorArray( x ), 1, new AccessorArray( y ), 1 ); // $ExpectType AccessorArray<number>
 }
 
 // The compiler throws an error if the function is provided a first argument which is not a number...
@@ -142,7 +142,7 @@ import gcusumkbn = require( './index' );
 	const y = new Float64Array( 10 );
 
 	gcusumkbn.ndarray( x.length, 0.0, x, 1, 0, y, 1, 0 ); // $ExpectType Float64Array
-	gcusumkbn.ndarray( x.length, 0.0, new AccessorArray( x ), 1, 0, new AccessorArray( y ), 1, 0 ); // $ExpectType AccessorArray
+	gcusumkbn.ndarray( x.length, 0.0, new AccessorArray( x ), 1, 0, new AccessorArray( y ), 1, 0 ); // $ExpectType AccessorArray<number>
 }
 
 // The compiler throws an error if the `ndarray` method is provided a first argument which is not a number...

lib/node_modules/@stdlib/blas/ext/base/gcusumkbn/lib/accessors.js

@@ -55,10 +55,11 @@ var abs = require( '@stdlib/math/base/special/abs' );
 * var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
 * var arraylike2object = require( '@stdlib/array/base/arraylike2object' );
 *
-* var x = toAccessorArray( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
-* var y = toAccessorArray( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] );
+* var x = [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ];
+* var y = [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ];
 *
-* gcusumkbn( 4, 0.0, arraylike2object( x ), 2, 1, arraylike2object( y ), 1, 0 );
+* gcusumkbn( 4, 0.0, arraylike2object( toAccessorArray( x ) ), 2, 1, arraylike2object( toAccessorArray( y ) ), 1, 0 );
+* // y => [ 1.0, -1.0, 1.0, 5.0, 0.0, 0.0, 0.0, 0.0 ]
 */
 function gcusumkbn( N, sum, x, strideX, offsetX, y, strideY, offsetY ) {
 	var xbuf;

lib/node_modules/@stdlib/blas/ext/base/gcusumkbn/lib/ndarray.js

@@ -72,7 +72,8 @@ function gcusumkbn( N, sum, x, strideX, offsetX, y, strideY, offsetY ) {
 	ox = arraylike2object( x );
 	oy = arraylike2object( y );
 	if ( ox.accessorProtocol || oy.accessorProtocol ) {
-		return accessors( N, sum, ox, strideX, offsetX, oy, strideY, offsetY );
+		accessors( N, sum, ox, strideX, offsetX, oy, strideY, offsetY );
+		return y;
 	}
 	ix = offsetX;
 	iy = offsetY;

lib/node_modules/@stdlib/blas/ext/base/gcusumkbn/test/test.main.js

@@ -230,6 +230,20 @@ tape( 'the function returns a reference to the output array', function test( t )
 	t.end();
 });
 
+tape( 'the function returns a reference to the output array (accessors)', function test( t ) {
+	var out;
+	var x;
+	var y;
+
+	x = toAccessorArray( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+	y = toAccessorArray( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] );
+
+	out = gcusumkbn( x.length, 0.0, x, 1, y, 1 );
+
+	t.strictEqual( out, y, 'same reference' );
+	t.end();
+});
+
 tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `y` unchanged', function test( t ) {
 	var expected;
 	var x;

lib/node_modules/@stdlib/blas/ext/base/gcusumkbn/test/test.ndarray.js

@@ -227,6 +227,20 @@ tape( 'the function returns a reference to the output array', function test( t )
 	t.end();
 });
 
+tape( 'the function returns a reference to the output array (accessors)', function test( t ) {
+	var out;
+	var x;
+	var y;
+
+	x = toAccessorArray( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
+	y = toAccessorArray( [ 0.0, 0.0, 0.0, 0.0, 0.0 ] );
+
+	out = gcusumkbn( x.length, 0.0, x, 1, 0, y, 1, 0 );
+
+	t.strictEqual( out, y, 'same reference' );
+	t.end();
+});
+
 tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `y` unchanged', function test( t ) {
 	var expected;
 	var x;