diff --git a/lib/node_modules/@stdlib/blas/ext/base/gnansum/README.md b/lib/node_modules/@stdlib/blas/ext/base/gnansum/README.md
index 28db46a2bc14..d191235ea7c6 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/gnansum/README.md
+++ b/lib/node_modules/@stdlib/blas/ext/base/gnansum/README.md
@@ -109,6 +109,7 @@ var v = gnansum.ndarray( 5, x, 2, 1 );
## Notes
- If `N <= 0`, both functions return `0.0`.
+- Both functions support array-like objects having getter and setter accessors for array element access (e.g., [`@stdlib/array/base/accessor`][@stdlib/array/base/accessor])
- Depending on the environment, the typed versions ([`dnansum`][@stdlib/blas/ext/base/dnansum], [`snansum`][@stdlib/blas/ext/base/snansum], etc.) are likely to be significantly more performant.
@@ -176,6 +177,8 @@ console.log( v );
[mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray
+[@stdlib/array/base/accessor]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/accessor
+
[@stdlib/blas/ext/base/dnansum]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/blas/ext/base/dnansum
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/index.d.ts
index 84c857bb4938..a7c9827a259c 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/index.d.ts
@@ -20,7 +20,12 @@
///
-import { NumericArray } from '@stdlib/types/array';
+import { NumericArray, Collection, AccessorArrayLike } from '@stdlib/types/array';
+
+/**
+* Input array.
+*/
+type InputArray = NumericArray | Collection | AccessorArrayLike;
/**
* Interface describing `gnansum`.
@@ -40,7 +45,7 @@ interface Routine {
* var v = gnansum( x.length, x, 1 );
* // returns 1.0
*/
- ( N: number, x: NumericArray, strideX: number ): number;
+ ( N: number, x: InputArray, strideX: number ): number;
/**
* Computes the sum of strided array elements, ignoring `NaN` values and using alternative indexing semantics.
@@ -57,7 +62,7 @@ interface Routine {
* var v = gnansum.ndarray( x.length, x, 1, 0 );
* // returns 1.0
*/
- ndarray( N: number, x: NumericArray, strideX: number, offsetX: number ): number;
+ ndarray( N: number, x: InputArray, strideX: number, offsetX: number ): number;
}
/**
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/test.ts b/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/test.ts
index 87de3fc8f193..4db9215ef3f4 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/test.ts
+++ b/lib/node_modules/@stdlib/blas/ext/base/gnansum/docs/types/test.ts
@@ -16,6 +16,7 @@
* limitations under the License.
*/
+import AccessorArray = require( '@stdlib/array/base/accessor' );
import gnansum = require( './index' );
@@ -26,6 +27,7 @@ import gnansum = require( './index' );
const x = new Float64Array( 10 );
gnansum( x.length, x, 1 ); // $ExpectType number
+ gnansum( x.length, new AccessorArray( x ), 1 ); // $ExpectType number
}
// The compiler throws an error if the function is provided a first argument which is not a number...
@@ -85,6 +87,7 @@ import gnansum = require( './index' );
const x = new Float64Array( 10 );
gnansum.ndarray( x.length, x, 1, 0 ); // $ExpectType number
+ gnansum.ndarray( x.length, new AccessorArray( x ), 1, 0 ); // $ExpectType number
}
// The compiler throws an error if the `ndarray` method is provided a first argument which is not a number...
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.main.js b/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.main.js
index a91b06293bbe..f1cd5753dd08 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.main.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.main.js
@@ -21,6 +21,7 @@
// MODULES //
var tape = require( 'tape' );
+var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
var Float64Array = require( '@stdlib/array/float64' );
var gnansum = require( './../lib' );
@@ -73,6 +74,41 @@ tape( 'the function calculates the sum of strided array elements (ignoring NaN v
t.end();
});
+tape( 'the function calculates the sum of strided array elements (ignoring NaN values, accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [ 1.0, -2.0, -4.0, 5.0, 0.0, NaN, 3.0, 0.0, -3.0, 3.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, 3.0, 'returns expected value' );
+
+ x = [ 1.0, -2.0, -4.0, NaN, 5.0, 0.0, 3.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, 3.0, 'returns expected value' );
+
+ x = [ -4.0, NaN, -4.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, -8.0, 'returns expected value' );
+
+ x = [ NaN, 4.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, 4.0, 'returns expected value' );
+
+ x = [ NaN, NaN ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, 0.0, 'returns expected value' );
+
+ x = [ NaN ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, 0.0, 'returns expected value' );
+
+ x = [ 1.0, 1.0e100, 1.0, -1.0e100 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1 );
+ t.strictEqual( v, 2.0, 'returns expected value' );
+
+ t.end();
+});
+
tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `0.0`', function test( t ) {
var x;
var v;
@@ -123,6 +159,29 @@ tape( 'the function supports a `stride` parameter', function test( t ) {
t.end();
});
+tape( 'the function supports a `stride` parameter (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [
+ 1.0, // 0
+ 2.0,
+ 2.0, // 1
+ -7.0,
+ -2.0, // 2
+ 3.0,
+ 4.0, // 3
+ 2.0,
+ NaN, // 4
+ NaN
+ ];
+
+ v = gnansum( 5, toAccessorArray( x ), 2 );
+
+ t.strictEqual( v, 5.0, 'returns expected value' );
+ t.end();
+});
+
tape( 'the function supports a negative `stride` parameter', function test( t ) {
var x;
var v;
@@ -146,6 +205,29 @@ tape( 'the function supports a negative `stride` parameter', function test( t )
t.end();
});
+tape( 'the function supports a negative `stride` parameter (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [
+ NaN, // 4
+ NaN,
+ 1.0, // 3
+ 2.0,
+ 2.0, // 2
+ -7.0,
+ -2.0, // 1
+ 3.0,
+ 4.0, // 0
+ 2.0
+ ];
+
+ v = gnansum( 5, toAccessorArray( x ), -2 );
+
+ t.strictEqual( v, 5.0, 'returns expected value' );
+ t.end();
+});
+
tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times', function test( t ) {
var x;
var v;
@@ -158,6 +240,18 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns the s
t.end();
});
+tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
+
+ v = gnansum( x.length, toAccessorArray( x ), 0 );
+ t.strictEqual( v, 5.0, 'returns expected value' );
+
+ t.end();
+});
+
tape( 'if provided a `stride` parameter equal to `0` and the first element is NaN, the function returns 0', function test( t ) {
var x;
var v;
@@ -170,6 +264,18 @@ tape( 'if provided a `stride` parameter equal to `0` and the first element is Na
t.end();
});
+tape( 'if provided a `stride` parameter equal to `0` and the first element is NaN, the function returns 0 (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [ NaN, -2.0, -4.0, 5.0, 3.0 ];
+
+ v = gnansum( x.length, toAccessorArray( x ), 0 );
+ t.strictEqual( v, 0.0, 'returns expected value' );
+
+ t.end();
+});
+
tape( 'the function supports view offsets', function test( t ) {
var x0;
var x1;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.ndarray.js
index 6f9179b4d2c8..24af51c7904c 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/gnansum/test/test.ndarray.js
@@ -21,6 +21,7 @@
// MODULES //
var tape = require( 'tape' );
+var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
var gnansum = require( './../lib/ndarray.js' );
@@ -72,6 +73,41 @@ tape( 'the function calculates the sum of strided array elements (ignoring NaN v
t.end();
});
+tape( 'the function calculates the sum of strided array elements (ignoring NaN values, accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [ 1.0, -2.0, -4.0, 5.0, 0.0, NaN, 3.0, 0.0, -3.0, 3.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, 3.0, 'returns expected value' );
+
+ x = [ 1.0, -2.0, -4.0, NaN, 5.0, 0.0, 3.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, 3.0, 'returns expected value' );
+
+ x = [ -4.0, NaN, -4.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, -8.0, 'returns expected value' );
+
+ x = [ NaN, 4.0 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, 4.0, 'returns expected value' );
+
+ x = [ NaN, NaN ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, 0.0, 'returns expected value' );
+
+ x = [ NaN ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, 0.0, 'returns expected value' );
+
+ x = [ 1.0, 1.0e100, 1.0, -1.0e100 ];
+ v = gnansum( x.length, toAccessorArray( x ), 1, 0 );
+ t.strictEqual( v, 2.0, 'returns expected value' );
+
+ t.end();
+});
+
tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `0.0`', function test( t ) {
var x;
var v;
@@ -122,6 +158,29 @@ tape( 'the function supports a `stride` parameter', function test( t ) {
t.end();
});
+tape( 'the function supports a `stride` parameter (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [
+ 1.0, // 0
+ 2.0,
+ 2.0, // 1
+ -7.0,
+ -2.0, // 2
+ 3.0,
+ 4.0, // 3
+ 2.0,
+ NaN, // 4
+ NaN
+ ];
+
+ v = gnansum( 5, toAccessorArray( x ), 2, 0 );
+
+ t.strictEqual( v, 5.0, 'returns expected value' );
+ t.end();
+});
+
tape( 'the function supports a negative `stride` parameter', function test( t ) {
var x;
var v;
@@ -145,6 +204,29 @@ tape( 'the function supports a negative `stride` parameter', function test( t )
t.end();
});
+tape( 'the function supports a negative `stride` parameter (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [
+ NaN, // 4
+ NaN,
+ 1.0, // 3
+ 2.0,
+ 2.0, // 2
+ -7.0,
+ -2.0, // 1
+ 3.0,
+ 4.0, // 0
+ 2.0
+ ];
+
+ v = gnansum( 5, toAccessorArray( x ), -2, 8 );
+
+ t.strictEqual( v, 5.0, 'returns expected value' );
+ t.end();
+});
+
tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times', function test( t ) {
var x;
var v;
@@ -157,6 +239,18 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns the s
t.end();
});
+tape( 'if provided a `stride` parameter equal to `0`, the function returns the sum of the first element repeated N times (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [ 1.0, -2.0, -4.0, 5.0, 3.0 ];
+
+ v = gnansum( x.length, toAccessorArray( x ), 0, 0 );
+ t.strictEqual( v, 5.0, 'returns expected value' );
+
+ t.end();
+});
+
tape( 'if provided a `stride` parameter equal to `0` and the first element is NaN, the function returns 0', function test( t ) {
var x;
var v;
@@ -169,6 +263,18 @@ tape( 'if provided a `stride` parameter equal to `0` and the first element is Na
t.end();
});
+tape( 'if provided a `stride` parameter equal to `0` and the first element is NaN, the function returns 0 (accessors)', function test( t ) {
+ var x;
+ var v;
+
+ x = [ NaN, -2.0, -4.0, 5.0, 3.0 ];
+
+ v = gnansum( x.length, toAccessorArray( x ), 0, 0 );
+ t.strictEqual( v, 0.0, 'returns expected value' );
+
+ t.end();
+});
+
tape( 'the function supports an `offset` parameter', function test( t ) {
var x;
var v;
@@ -191,3 +297,26 @@ tape( 'the function supports an `offset` parameter', function test( t ) {
t.end();
});
+
+tape( 'the function supports an `offset` parameter', function test( t ) {
+ var x;
+ var v;
+
+ x = [
+ 2.0,
+ 1.0, // 0
+ 2.0,
+ -2.0, // 1
+ -2.0,
+ 2.0, // 2
+ 3.0,
+ 4.0, // 3
+ NaN,
+ NaN // 4
+ ];
+
+ v = gnansum( 5, toAccessorArray( x ), 2, 1 );
+ t.strictEqual( v, 5.0, 'returns expected value' );
+
+ t.end();
+});