add support for accessor arrays

Author: vivekmaurya001

lib/node_modules/@stdlib/stats/base/cumax/lib/accessors.js

@@ -31,21 +31,26 @@ var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
 *
 * @private
 * @param {PositiveInteger} N - number of indexed elements
-* @param {NumericArray} x - input array
-* @param {integer} strideX - `x` stride length
+* @param {Object} x - input array object
+* @param {Collection} x.data - input array data
+* @param {Array<Function>} x.accessors - array element accessors
+* @param {integer} strideX - stride length for `x`
 * @param {NonNegativeInteger} offsetX - starting index for `x`
-* @param {NumericArray} y - output array
-* @param {integer} strideY - `y` stride length
+* @param {Object} y - output array object
+* @param {Collection} y.data - output array data
+* @param {Array<Function>} y.accessors - array element accessors
+* @param {integer} strideY - stride length for `y`
 * @param {NonNegativeInteger} offsetY - starting index for `y`
-* @returns {NumericArray} output array
+* @returns {Object} output array object
 *
 * @example
 * var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
+* var arraylike2object = require( '@stdlib/array/base/arraylike2object' );
 *
 * 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 ];
 *
-* cumax( 4, toAccessorArray( x ), 2, 1, toAccessorArray( y ), 1, 0 );
+* cumax( 4, arraylike2object( toAccessorArray( x ) ), 2, 1, arraylike2object( toAccessorArray( y ) ), 1, 0 );
 * // y => [ 1.0, 1.0, 2.0, 4.0, 0.0, 0.0, 0.0, 0.0 ];
 */
 function cumax( N, x, strideX, offsetX, y, strideY, offsetY ) {
@@ -59,16 +64,12 @@ function cumax( N, x, strideX, offsetX, y, strideY, offsetY ) {
 	var v;
 	var i;
 
-	// Cache reference to input array data:
+	// Cache reference to array data:
 	xbuf = x.data;
-
-	// Cache reference to output array data:
 	ybuf = y.data;
 
 	// Cache a reference to the element accessor:
 	get = x.accessors[ 0 ];
-
-	// Cache a reference to the element accessor:
 	set = y.accessors[ 1 ];
 
 	ix = offsetX;

lib/node_modules/@stdlib/stats/base/cumax/lib/ndarray.js

@@ -33,21 +33,18 @@ var accessors = require( './accessors.js' );
 *
 * @param {PositiveInteger} N - number of indexed elements
 * @param {NumericArray} x - input array
-* @param {integer} strideX - `x` stride length
+* @param {integer} strideX - stride length for `x`
 * @param {NonNegativeInteger} offsetX - starting index for `x`
 * @param {NumericArray} y - output array
-* @param {integer} strideY - `y` stride length
+* @param {integer} strideY - stride length for `y`
 * @param {NonNegativeInteger} offsetY - starting index for `y`
 * @returns {NumericArray} output array
 *
 * @example
-* var floor = require( '@stdlib/math/base/special/floor' );
-*
 * 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 ];
-* var N = floor( x.length / 2 );
 *
-* var v = cumax( N, x, 2, 1, y, 1, 0 );
+* var v = cumax( 4, x, 2, 1, y, 1, 0 );
 * // returns [ 1.0, 1.0, 2.0, 4.0, 0.0, 0.0, 0.0, 0.0 ]
 */
 function cumax( N, x, strideX, offsetX, y, strideY, offsetY ) {

lib/node_modules/@stdlib/stats/base/cumax/test/test.cumax.js

@@ -200,6 +200,20 @@ 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 = cumax( x.length, 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;