diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/README.md b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/README.md
new file mode 100644
index 000000000000..8f2205dc5fde
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/README.md
@@ -0,0 +1,187 @@
+
+
+# gfirstIndexNotEqual
+
+> Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+
+
+
+
+
+
+
+## Usage
+
+```javascript
+var gfirstIndexNotEqual = require( '@stdlib/blas/ext/base/gfirst-index-not-equal' );
+```
+
+#### gfirstIndexNotEqual( N, x, strideX, y, strideY )
+
+Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+
+```javascript
+var x = [ 0, 0, 1, 0 ];
+var y = [ 0, 0, 0, 0 ];
+
+var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+// returns 2
+```
+
+The function has the following parameters:
+
+- **N**: number of indexed elements.
+- **x**: first input [`Array`][mdn-array] or [`typed array`][mdn-typed-array].
+- **strideX**: stride length for `x`.
+- **y**: second input [`Array`][mdn-array] or [`typed array`][mdn-typed-array].
+- **strideY**: stride length for `y`.
+
+If unable to find an element in `x` which is not equal to the corresponding element in `y`, the function returns `-1`.
+
+```javascript
+var x = [ 0, 0, 0, 0 ];
+var y = [ 0, 0, 0, 0 ];
+
+var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+// returns -1
+```
+
+The `N` and stride parameters determine which elements in the strided arrays are accessed at runtime. For example, to compare every other element in `x` to every other element in `y`:
+
+```javascript
+var x = [ 0, 0, 1, 0, 0, 0 ];
+var y = [ 0, 0, 1, 0, 9, 0 ];
+
+var idx = gfirstIndexNotEqual( 3, x, 2, y, 2 );
+// returns 2
+```
+
+Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views.
+
+```javascript
+var Float64Array = require( '@stdlib/array/float64' );
+
+// Initial arrays...
+var x0 = new Float64Array( [ 0, 0, 0, 1, 0, 0 ] );
+var y0 = new Float64Array( [ 0, 0, 0, 0, 0, 0 ] );
+
+// Create offset views...
+var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
+var y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*1 ); // start at 2nd element
+
+var idx = gfirstIndexNotEqual( x1.length, x1, 1, y1, 1 );
+// returns 2
+```
+
+#### gfirstIndexNotEqual.ndarray( N, x, strideX, offsetX, y, strideY, offsetY )
+
+Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array using alternative indexing semantics.
+
+```javascript
+var x = [ 0, 0, 1, 0 ];
+var y = [ 0, 0, 0, 0 ];
+
+var idx = gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, 0 );
+// returns 2
+```
+
+The function has the following additional parameters:
+
+- **offsetX**: starting index for `x`.
+- **offsetY**: starting index for `y`.
+
+While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameters support indexing semantics based on starting indices. For example, to compare the last three elements of `x` to the last three elements of `y`:
+
+```javascript
+var x = [ 0, 0, 0, 1 ];
+var y = [ 1, 0, 0, 0 ];
+
+var idx = gfirstIndexNotEqual.ndarray( 3, x, 1, x.length-3, y, 1, y.length-3 );
+// returns 2
+```
+
+
+
+
+
+
+
+## Notes
+
+- If `N <= 0`, both functions return `-1`.
+- Both functions determine whether corresponding elements are equal using strict equality (i.e., the `===` operator). As a consequence, corresponding `NaN` elements are considered unequal (as `NaN !== NaN` always evaluates to `true`), while `-0` and `+0` are considered equal.
+- 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]).
+
+
+
+
+
+
+
+## Examples
+
+
+
+```javascript
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var gfirstIndexNotEqual = require( '@stdlib/blas/ext/base/gfirst-index-not-equal' );
+
+var x = discreteUniform( 10, -5, 5, {
+ 'dtype': 'generic'
+});
+console.log( x );
+
+var y = discreteUniform( 10, -5, 5, {
+ 'dtype': 'generic'
+});
+console.log( y );
+
+var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+console.log( idx );
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+[mdn-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array
+
+[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
+
+
+
+
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/benchmark/benchmark.js
new file mode 100644
index 000000000000..e12dde8c4f68
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/benchmark/benchmark.js
@@ -0,0 +1,98 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 bench = require( '@stdlib/bench' );
+var pow = require( '@stdlib/math/base/special/pow' );
+var isInteger = require( '@stdlib/assert/is-integer' ).isPrimitive;
+var oneTo = require( '@stdlib/array/one-to' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var gfirstIndexNotEqual = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+ var x = oneTo( len, 'float64' );
+ var y = oneTo( len, 'float64' );
+ return benchmark;
+
+ /**
+ * Benchmark function.
+ *
+ * @private
+ * @param {Benchmark} b - benchmark instance
+ */
+ function benchmark( b ) {
+ var out;
+ var i;
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ out = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ if ( out !== out ) {
+ b.fail( 'should return an integer' );
+ }
+ }
+ b.toc();
+ if ( !isInteger( out ) ) {
+ b.fail( 'should return an integer' );
+ }
+ b.pass( 'benchmark finished' );
+ b.end();
+ }
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+ var len;
+ var min;
+ var max;
+ var f;
+ var i;
+
+ min = 1; // 10^min
+ max = 6; // 10^max
+
+ for ( i = min; i <= max; i++ ) {
+ len = pow( 10, i );
+
+ f = createBenchmark( len );
+ bench( format( '%s:len=%d', pkg, len ), f );
+ }
+}
+
+main();
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/benchmark/benchmark.ndarray.js
new file mode 100644
index 000000000000..6bcddbd9e06e
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/benchmark/benchmark.ndarray.js
@@ -0,0 +1,98 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 bench = require( '@stdlib/bench' );
+var pow = require( '@stdlib/math/base/special/pow' );
+var isInteger = require( '@stdlib/assert/is-integer' ).isPrimitive;
+var oneTo = require( '@stdlib/array/one-to' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var gfirstIndexNotEqual = require( './../lib/ndarray.js' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+ var x = oneTo( len, 'float64' );
+ var y = oneTo( len, 'float64' );
+ return benchmark;
+
+ /**
+ * Benchmark function.
+ *
+ * @private
+ * @param {Benchmark} b - benchmark instance
+ */
+ function benchmark( b ) {
+ var out;
+ var i;
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ out = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ if ( out !== out ) {
+ b.fail( 'should return an integer' );
+ }
+ }
+ b.toc();
+ if ( !isInteger( out ) ) {
+ b.fail( 'should return an integer' );
+ }
+ b.pass( 'benchmark finished' );
+ b.end();
+ }
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+ var len;
+ var min;
+ var max;
+ var f;
+ var i;
+
+ min = 1; // 10^min
+ max = 6; // 10^max
+
+ for ( i = min; i <= max; i++ ) {
+ len = pow( 10, i );
+
+ f = createBenchmark( len );
+ bench( format( '%s:ndarray:len=%d', pkg, len ), f );
+ }
+}
+
+main();
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/repl.txt b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/repl.txt
new file mode 100644
index 000000000000..9128454f1d04
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/repl.txt
@@ -0,0 +1,112 @@
+
+{{alias}}( N, x, strideX, y, strideY )
+ Returns the index of the first element in a strided array which is not
+ equal to the corresponding element in another strided array.
+
+ The `N` and stride parameters determine which elements in the strided
+ arrays are accessed at runtime.
+
+ Indexing is relative to the first index. To introduce an offset, use
+ typed array views.
+
+ If `N <= 0` or unable to find an element in `x` which is not equal to the
+ corresponding element in `y`, the function returns `-1`.
+
+ Parameters
+ ----------
+ N: integer
+ Number of indexed elements.
+
+ x: Array|TypedArray
+ First input array.
+
+ strideX: integer
+ Stride length for `x`.
+
+ y: Array|TypedArray
+ Second input array.
+
+ strideY: integer
+ Stride length for `y`.
+
+ Returns
+ -------
+ idx: integer
+ Index.
+
+ Examples
+ --------
+ // Standard usage:
+ > var x = [ 0, 0, 1, 0 ];
+ > var y = [ 0, 0, 0, 0 ];
+ > var idx = {{alias}}( x.length, x, 1, y, 1 )
+ 2
+
+ // Using `N` and stride parameters:
+ > var x = [ 2, 4, 6, 8, 10 ];
+ > var y = [ 2, 3, 4, 5, 6 ];
+ > var idx = {{alias}}( 3, x, 2, y, 1 )
+ 1
+
+ // View offsets:
+ > var x0 = new {{alias:@stdlib/array/float64}}( [ 0, 0, 1, 0 ] );
+ > var x1 = new {{alias:@stdlib/array/float64}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
+ > var y = [ 0, 0, 0 ];
+ > var idx = {{alias}}( x1.length, x1, 1, y, 1 )
+ 1
+
+
+{{alias}}.ndarray( N, x, strideX, offsetX, y, strideY, offsetY )
+ Returns the index of the first element in a strided array which is not
+ equal to the corresponding element in another strided array using
+ alternative indexing semantics.
+
+ While typed array views mandate a view offset based on the underlying
+ buffer, the offset parameters support indexing semantics based on
+ starting indices.
+
+ Parameters
+ ----------
+ N: integer
+ Number of indexed elements.
+
+ x: Array|TypedArray
+ First input array.
+
+ strideX: integer
+ Stride length for `x`.
+
+ offsetX: integer
+ Starting index for `x`.
+
+ y: Array|TypedArray
+ Second input array.
+
+ strideY: integer
+ Stride length for `y`.
+
+ offsetY: integer
+ Starting index for `y`.
+
+ Returns
+ -------
+ idx: integer
+ Index.
+
+ Examples
+ --------
+ // Standard usage:
+ > var x = [ 0, 0, 1, 0 ];
+ > var y = [ 0, 0, 0, 0 ];
+ > var idx = {{alias}}.ndarray( x.length, x, 1, 0, y, 1, 0 )
+ 2
+
+ // Advanced indexing:
+ > var x = [ 2, 4, 6, 8, 10 ];
+ > var y = [ 2, 3, 4, 5, 6 ];
+ > var idx = {{alias}}.ndarray( 3, x, 2, 0, y, 1, 0 )
+ 1
+
+ See Also
+ --------
+
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/types/index.d.ts
new file mode 100644
index 000000000000..d2912c974a27
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/types/index.d.ts
@@ -0,0 +1,116 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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.
+*/
+
+// TypeScript Version: 4.1
+
+///
+
+import { Collection, AccessorArrayLike } from '@stdlib/types/array';
+
+/**
+* Input array.
+*/
+type InputArray = Collection | AccessorArrayLike;
+
+/**
+* Interface describing `gfirstIndexNotEqual`.
+*/
+interface Routine {
+ /**
+ * Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+ *
+ * ## Notes
+ *
+ * - If unable to find an element in `x` which is not equal to the corresponding element in `y`, the function returns `-1`.
+ *
+ * @param N - number of indexed elements
+ * @param x - first input array
+ * @param strideX - stride length for `x`
+ * @param y - second input array
+ * @param strideY - stride length for `y`
+ * @returns index
+ *
+ * @example
+ * var x = [ 0, 0, 1, 0 ];
+ * var y = [ 0, 0, 0, 0 ];
+ *
+ * var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ * // returns 2
+ */
+ ( N: number, x: InputArray, strideX: number, y: InputArray, strideY: number ): number;
+
+ /**
+ * Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array using alternative indexing semantics.
+ *
+ * ## Notes
+ *
+ * - If unable to find an element in `x` which is not equal to the corresponding element in `y`, the function returns `-1`.
+ *
+ * @param N - number of indexed elements
+ * @param x - first input array
+ * @param strideX - stride length for `x`
+ * @param offsetX - starting index for `x`
+ * @param y - second input array
+ * @param strideY - stride length for `y`
+ * @param offsetY - starting index for `y`
+ * @returns index
+ *
+ * @example
+ * var x = [ 0, 0, 1, 0 ];
+ * var y = [ 0, 0, 0, 0 ];
+ *
+ * var idx = gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, 0 );
+ * // returns 2
+ */
+ ndarray( N: number, x: InputArray, strideX: number, offsetX: number, y: InputArray, strideY: number, offsetY: number ): number;
+}
+
+/**
+* Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+*
+* ## Notes
+*
+* - If unable to find an element in `x` which is not equal to the corresponding element in `y`, the function returns `-1`.
+*
+* @param N - number of indexed elements
+* @param x - first input array
+* @param strideX - stride length for `x`
+* @param y - second input array
+* @param strideY - stride length for `y`
+* @returns index
+*
+* @example
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+* // returns 2
+*
+* @example
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, 0 );
+* // returns 2
+*/
+declare var gfirstIndexNotEqual: Routine;
+
+
+// EXPORTS //
+
+export = gfirstIndexNotEqual;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/types/test.ts b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/types/test.ts
new file mode 100644
index 000000000000..16ab0fbf3ed9
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/docs/types/test.ts
@@ -0,0 +1,215 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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.
+*/
+
+import AccessorArray = require( '@stdlib/array/base/accessor' );
+import gfirstIndexNotEqual = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual( x.length, x, 1, y, 1 ); // $ExpectType number
+ gfirstIndexNotEqual( x.length, new AccessorArray( x ), 1, new AccessorArray( y ), 1 ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided a first argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual( '1', x, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( true, x, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( false, x, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( null, x, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( {}, x, 1, y, 1 ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided a second argument which is not a collection...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual( x.length, 5, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, true, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, false, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, null, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, undefined, 1, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, {}, 1, y, 1 ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided a third argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual( x.length, x, '1', y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, true, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, false, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, null, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, {}, y, 1 ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided a fourth argument which is not a collection...
+{
+ const x = [ 0, 0, 1, 0 ];
+
+ gfirstIndexNotEqual( x.length, x, 1, 5, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, true, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, false, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, null, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, undefined, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, {}, 1 ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided a fifth argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual( x.length, x, 1, y, '1' ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, y, true ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, y, false ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, y, null ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, y, {} ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided an unsupported number of arguments...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual(); // $ExpectError
+ gfirstIndexNotEqual( x.length ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1 ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, y ); // $ExpectError
+ gfirstIndexNotEqual( x.length, x, 1, y, 1, {} ); // $ExpectError
+}
+
+// Attached to the main export is an `ndarray` method which returns a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, 0 ); // $ExpectType number
+ gfirstIndexNotEqual.ndarray( x.length, new AccessorArray( x ), 1, 0, new AccessorArray( y ), 1, 0 ); // $ExpectType number
+}
+
+// The compiler throws an error if the `ndarray` method is provided a first argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( '1', x, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( true, x, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( false, x, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( null, x, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( {}, x, 1, 0, y, 1, 0 ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided a second argument which is not a collection...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, 5, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, true, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, false, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, null, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, undefined, 1, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, {}, 1, 0, y, 1, 0 ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided a third argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, x, '1', 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, true, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, false, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, null, 0, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, {}, 0, y, 1, 0 ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided a fourth argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, '1', y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, true, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, false, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, null, y, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, {}, y, 1, 0 ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided a fifth argument which is not a collection...
+{
+ const x = [ 0, 0, 1, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, 5, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, true, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, false, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, null, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, undefined, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, {}, 1, 0 ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided a sixth argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, '1', 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, true, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, false, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, null, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, {}, 0 ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided a seventh argument which is not a number...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, '1' ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, true ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, false ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, null ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, {} ); // $ExpectError
+}
+
+// The compiler throws an error if the `ndarray` method is provided an unsupported number of arguments...
+{
+ const x = [ 0, 0, 1, 0 ];
+ const y = [ 0, 0, 0, 0 ];
+
+ gfirstIndexNotEqual.ndarray(); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1 ); // $ExpectError
+ gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, 0, {} ); // $ExpectError
+}
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/examples/index.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/examples/index.js
new file mode 100644
index 000000000000..0126c17a60b6
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/examples/index.js
@@ -0,0 +1,35 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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';
+
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var gfirstIndexNotEqual = require( './../lib' );
+
+var x = discreteUniform( 10, -5, 5, {
+ 'dtype': 'generic'
+});
+console.log( x );
+
+var y = discreteUniform( 10, -5, 5, {
+ 'dtype': 'generic'
+});
+console.log( y );
+
+var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+console.log( idx );
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/accessors.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/accessors.js
new file mode 100644
index 000000000000..bdecb9046ac9
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/accessors.js
@@ -0,0 +1,79 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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';
+
+// MAIN //
+
+/**
+* Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+*
+* @private
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Object} x - first input array object
+* @param {Collection} x.data - first input array data
+* @param {Array} x.accessors - first array element accessors
+* @param {integer} strideX - stride length for `x`
+* @param {NonNegativeInteger} offsetX - starting index for `x`
+* @param {Object} y - second input array object
+* @param {Collection} y.data - second input array data
+* @param {Array} y.accessors - second array element accessors
+* @param {integer} strideY - stride length for `y`
+* @param {NonNegativeInteger} offsetY - starting index for `y`
+* @returns {integer} index
+*
+* @example
+* var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
+* var arraylike2object = require( '@stdlib/array/base/arraylike2object' );
+*
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual( x.length, arraylike2object( toAccessorArray( x ) ), 1, 0, arraylike2object( toAccessorArray( y ) ), 1, 0 );
+* // returns 2
+*/
+function gfirstIndexNotEqual( N, x, strideX, offsetX, y, strideY, offsetY ) {
+ var xbuf;
+ var ybuf;
+ var xget;
+ var yget;
+ var ix;
+ var iy;
+ var i;
+
+ xbuf = x.data;
+ ybuf = y.data;
+ xget = x.accessors[ 0 ];
+ yget = y.accessors[ 0 ];
+
+ ix = offsetX;
+ iy = offsetY;
+ for ( i = 0; i < N; i++ ) {
+ if ( xget( xbuf, ix ) !== yget( ybuf, iy ) ) {
+ return i;
+ }
+ ix += strideX;
+ iy += strideY;
+ }
+ return -1;
+}
+
+
+// EXPORTS //
+
+module.exports = gfirstIndexNotEqual;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/index.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/index.js
new file mode 100644
index 000000000000..566db2a17318
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/index.js
@@ -0,0 +1,59 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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';
+
+/**
+* Return the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+*
+* @module @stdlib/blas/ext/base/gfirst-index-not-equal
+*
+* @example
+* var gfirstIndexNotEqual = require( '@stdlib/blas/ext/base/gfirst-index-not-equal' );
+*
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+* // returns 2
+*
+* @example
+* var gfirstIndexNotEqual = require( '@stdlib/blas/ext/base/gfirst-index-not-equal' );
+*
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual.ndarray( x.length, x, 1, 0, y, 1, 0 );
+* // returns 2
+*/
+
+// MODULES //
+
+var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
+var main = require( './main.js' );
+var ndarray = require( './ndarray.js' );
+
+
+// MAIN //
+
+setReadOnly( main, 'ndarray', ndarray );
+
+
+// EXPORTS //
+
+module.exports = main;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/main.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/main.js
new file mode 100644
index 000000000000..4e4574936111
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/main.js
@@ -0,0 +1,53 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 stride2offset = require( '@stdlib/strided/base/stride2offset' );
+var ndarray = require( './ndarray.js' );
+
+
+// MAIN //
+
+/**
+* Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Collection} x - first input array
+* @param {integer} strideX - stride length for `x`
+* @param {Collection} y - second input array
+* @param {integer} strideY - stride length for `y`
+* @returns {integer} index
+*
+* @example
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+* // returns 2
+*/
+function gfirstIndexNotEqual( N, x, strideX, y, strideY ) {
+ return ndarray( N, x, strideX, stride2offset( N, strideX ), y, strideY, stride2offset( N, strideY ) ); // eslint-disable-line max-len
+}
+
+
+// EXPORTS //
+
+module.exports = gfirstIndexNotEqual;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/ndarray.js
new file mode 100644
index 000000000000..e8c244bbc23c
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/lib/ndarray.js
@@ -0,0 +1,78 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 arraylike2object = require( '@stdlib/array/base/arraylike2object' );
+var accessors = require( './accessors.js' );
+
+
+// MAIN //
+
+/**
+* Returns the index of the first element in a strided array which is not equal to the corresponding element in another strided array using alternative indexing semantics.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {Collection} x - first input array
+* @param {integer} strideX - stride length for `x`
+* @param {NonNegativeInteger} offsetX - starting index for `x`
+* @param {Collection} y - second input array
+* @param {integer} strideY - stride length for `y`
+* @param {NonNegativeInteger} offsetY - starting index for `y`
+* @returns {integer} index
+*
+* @example
+* var x = [ 0, 0, 1, 0 ];
+* var y = [ 0, 0, 0, 0 ];
+*
+* var idx = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+* // returns 2
+*/
+function gfirstIndexNotEqual( N, x, strideX, offsetX, y, strideY, offsetY ) {
+ var ix;
+ var iy;
+ var ox;
+ var oy;
+ var i;
+
+ if ( N <= 0 ) {
+ return -1;
+ }
+ ox = arraylike2object( x );
+ oy = arraylike2object( y );
+ if ( ox.accessorProtocol || oy.accessorProtocol ) {
+ return accessors( N, ox, strideX, offsetX, oy, strideY, offsetY );
+ }
+ ix = offsetX;
+ iy = offsetY;
+ for ( i = 0; i < N; i++ ) {
+ if ( x[ ix ] !== y[ iy ] ) {
+ return i;
+ }
+ ix += strideX;
+ iy += strideY;
+ }
+ return -1;
+}
+
+
+// EXPORTS //
+
+module.exports = gfirstIndexNotEqual;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/package.json b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/package.json
new file mode 100644
index 000000000000..60594a62cec3
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/package.json
@@ -0,0 +1,73 @@
+{
+ "name": "@stdlib/blas/ext/base/gfirst-index-not-equal",
+ "version": "0.0.0",
+ "description": "Return the index of the first element in a strided array which is not equal to the corresponding element in another strided array.",
+ "license": "Apache-2.0",
+ "author": {
+ "name": "The Stdlib Authors",
+ "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+ },
+ "contributors": [
+ {
+ "name": "The Stdlib Authors",
+ "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+ }
+ ],
+ "main": "./lib",
+ "directories": {
+ "benchmark": "./benchmark",
+ "doc": "./docs",
+ "example": "./examples",
+ "lib": "./lib",
+ "test": "./test"
+ },
+ "types": "./docs/types",
+ "scripts": {},
+ "homepage": "https://github.com/stdlib-js/stdlib",
+ "repository": {
+ "type": "git",
+ "url": "git://github.com/stdlib-js/stdlib.git"
+ },
+ "bugs": {
+ "url": "https://github.com/stdlib-js/stdlib/issues"
+ },
+ "dependencies": {},
+ "devDependencies": {},
+ "engines": {
+ "node": ">=0.10.0",
+ "npm": ">2.7.0"
+ },
+ "os": [
+ "aix",
+ "darwin",
+ "freebsd",
+ "linux",
+ "macos",
+ "openbsd",
+ "sunos",
+ "win32",
+ "windows"
+ ],
+ "keywords": [
+ "stdlib",
+ "stdmath",
+ "mathematics",
+ "math",
+ "blas",
+ "extended",
+ "search",
+ "index",
+ "first",
+ "compare",
+ "comparison",
+ "equal",
+ "equality",
+ "not equal",
+ "unequal",
+ "mismatch",
+ "strided",
+ "array",
+ "ndarray"
+ ],
+ "__stdlib__": {}
+}
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.js
new file mode 100644
index 000000000000..d107b9dcd33d
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.js
@@ -0,0 +1,38 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 tape = require( 'tape' );
+var gfirstIndexNotEqual = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof gfirstIndexNotEqual, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'attached to the main export is a method providing an ndarray interface', function test( t ) {
+ t.strictEqual( typeof gfirstIndexNotEqual.ndarray, 'function', 'method is a function' );
+ t.end();
+});
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.main.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.main.js
new file mode 100644
index 000000000000..93ca9efcbd8d
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.main.js
@@ -0,0 +1,339 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 tape = require( 'tape' );
+var Float64Array = require( '@stdlib/array/float64' );
+var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
+var gfirstIndexNotEqual = require( './../lib/main.js' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof gfirstIndexNotEqual, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'the function has an arity of 5', function test( t ) {
+ t.strictEqual( gfirstIndexNotEqual.length, 5, 'has expected arity' );
+ t.end();
+});
+
+tape( 'the function returns the index of the first element in `x` which is not equal to the corresponding element in `y`', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ];
+ y = [ 1.0, 1.0, 2.0, 5.0, 3.0, 3.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ t.strictEqual( actual, 3, 'returns expected value' );
+
+ x = [ 9.0, 1.0, 2.0 ];
+ y = [ 1.0, 1.0, 2.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns the index of the first element in `x` which is not equal to the corresponding element in `y` (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = toAccessorArray( [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ] );
+ y = toAccessorArray( [ 1.0, 1.0, 2.0, 5.0, 3.0, 3.0 ] );
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ t.strictEqual( actual, 3, 'returns expected value' );
+
+ x = toAccessorArray( [ 9.0, 1.0, 2.0 ] );
+ y = toAccessorArray( [ 1.0, 1.0, 2.0 ] );
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if every indexed element in `x` is equal to the corresponding element in `y`', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 1.0, 2.0, 3.0 ];
+ y = [ 1.0, 2.0, 3.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if every indexed element in `x` is equal to the corresponding element in `y` (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = toAccessorArray( [ 1.0, 2.0, 3.0 ] );
+ y = toAccessorArray( [ 1.0, 2.0, 3.0 ] );
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, y, 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if provided an `N` parameter less than or equal to zero', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 1.0, 2.0, 3.0 ];
+ y = [ 4.0, 5.0, 6.0 ];
+
+ actual = gfirstIndexNotEqual( 0, x, 1, y, 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ actual = gfirstIndexNotEqual( -1, x, 1, y, 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if provided an `N` parameter less than or equal to zero (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = toAccessorArray( [ 1.0, 2.0, 3.0 ] );
+ y = toAccessorArray( [ 4.0, 5.0, 6.0 ] );
+
+ actual = gfirstIndexNotEqual( 0, x, 1, y, 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ actual = gfirstIndexNotEqual( -1, x, 1, y, 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats corresponding `NaN` elements as unequal', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, [ NaN ], 1, [ NaN ], 1 );
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats corresponding `NaN` elements as unequal (accessors)', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, toAccessorArray( [ NaN ] ), 1, toAccessorArray( [ NaN ] ), 1 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats `-0` and `+0` as equal', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, [ -0.0 ], 1, [ 0.0 ], 1 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats `-0` and `+0` as equal (accessors)', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, toAccessorArray( [ -0.0 ] ), 1, toAccessorArray( [ 0.0 ] ), 1 ); // eslint-disable-line max-len
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports an `x` stride', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 0
+ 0.0, // 1
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 2, y, 1 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports an `x` stride (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 0
+ 0.0, // 1
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 2, toAccessorArray( y ), 1 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports a `y` stride', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 0.0, 0.0, 1.0 ];
+ y = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 1, y, 2 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports a `y` stride (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 0.0, 0.0, 1.0 ];
+ y = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 1, toAccessorArray( y ), 2 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports negative strides', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 5.0, 4.0, 3.0, 2.0, 1.0, 0.0 ];
+ y = [ 5.0, 4.0, 3.0, 9.0, 1.0, 0.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, -1, y, -1 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports negative strides (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 5.0, 4.0, 3.0, 2.0, 1.0, 0.0 ];
+ y = [ 5.0, 4.0, 3.0, 9.0, 1.0, 0.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, toAccessorArray( x ), -1, toAccessorArray( y ), -1 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports complex access patterns', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 2
+ 0.0, // 1
+ 0.0, // 0
+ 9.0,
+ 9.0
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 2, y, -1 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports view offsets', function test( t ) {
+ var actual;
+ var x0;
+ var y0;
+ var x1;
+ var y1;
+
+ x0 = new Float64Array( [ 9.0, 0.0, 1.0, 0.0 ] );
+ y0 = new Float64Array( [ 9.0, 9.0, 0.0, 0.0 ] );
+
+ x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 );
+ y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*2 );
+
+ actual = gfirstIndexNotEqual( 3, x1, 1, y1, 1 );
+ t.strictEqual( actual, 1, 'returns expected value' );
+
+ t.end();
+});
diff --git a/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.ndarray.js
new file mode 100644
index 000000000000..d93e337a660b
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/gfirst-index-not-equal/test/test.ndarray.js
@@ -0,0 +1,437 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 tape = require( 'tape' );
+var toAccessorArray = require( '@stdlib/array/base/to-accessor-array' );
+var gfirstIndexNotEqual = require( './../lib/ndarray.js' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof gfirstIndexNotEqual, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'the function has an arity of 7', function test( t ) {
+ t.strictEqual( gfirstIndexNotEqual.length, 7, 'has expected arity' );
+ t.end();
+});
+
+tape( 'the function returns the index of the first element in `x` which is not equal to the corresponding element in `y`', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ];
+ y = [ 1.0, 1.0, 2.0, 5.0, 3.0, 3.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, 3, 'returns expected value' );
+
+ x = [ 9.0, 1.0, 2.0 ];
+ y = [ 1.0, 1.0, 2.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns the index of the first element in `x` which is not equal to the corresponding element in `y` (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = toAccessorArray( [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ] );
+ y = toAccessorArray( [ 1.0, 1.0, 2.0, 5.0, 3.0, 3.0 ] );
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, 3, 'returns expected value' );
+
+ x = toAccessorArray( [ 9.0, 1.0, 2.0 ] );
+ y = toAccessorArray( [ 1.0, 1.0, 2.0 ] );
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if every indexed element in `x` is equal to the corresponding element in `y`', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 1.0, 2.0, 3.0 ];
+ y = [ 1.0, 2.0, 3.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if every indexed element in `x` is equal to the corresponding element in `y` (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = toAccessorArray( [ 1.0, 2.0, 3.0 ] );
+ y = toAccessorArray( [ 1.0, 2.0, 3.0 ] );
+
+ actual = gfirstIndexNotEqual( x.length, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if provided an `N` parameter less than or equal to zero', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 1.0, 2.0, 3.0 ];
+ y = [ 4.0, 5.0, 6.0 ];
+
+ actual = gfirstIndexNotEqual( 0, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ actual = gfirstIndexNotEqual( -1, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function returns `-1` if provided an `N` parameter less than or equal to zero (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = toAccessorArray( [ 1.0, 2.0, 3.0 ] );
+ y = toAccessorArray( [ 4.0, 5.0, 6.0 ] );
+
+ actual = gfirstIndexNotEqual( 0, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ actual = gfirstIndexNotEqual( -1, x, 1, 0, y, 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats corresponding `NaN` elements as unequal', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, [ NaN ], 1, 0, [ NaN ], 1, 0 );
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats corresponding `NaN` elements as unequal (accessors)', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, toAccessorArray( [ NaN ] ), 1, 0, toAccessorArray( [ NaN ] ), 1, 0 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 0, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats `-0` and `+0` as equal', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, [ -0.0 ], 1, 0, [ 0.0 ], 1, 0 );
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function treats `-0` and `+0` as equal (accessors)', function test( t ) {
+ var actual;
+
+ actual = gfirstIndexNotEqual( 1, toAccessorArray( [ -0.0 ] ), 1, 0, toAccessorArray( [ 0.0 ] ), 1, 0 ); // eslint-disable-line max-len
+ t.strictEqual( actual, -1, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports an `x` stride', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 0
+ 0.0, // 1
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 2, 0, y, 1, 0 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports an `x` stride (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 0
+ 0.0, // 1
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 2, 0, toAccessorArray( y ), 1, 0 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports an `x` offset', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 9.0,
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 0
+ 0.0, // 1
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 2, 1, y, 1, 0 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports an `x` offset (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 9.0,
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 0
+ 0.0, // 1
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 2, 1, toAccessorArray( y ), 1, 0 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports a `y` stride', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 0.0, 0.0, 1.0 ];
+ y = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 1, 0, y, 2, 0 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports a `y` stride (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 0.0, 0.0, 1.0 ];
+ y = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 1, 0, toAccessorArray( y ), 2, 0 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports a `y` offset', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 0.0, 0.0, 1.0 ];
+ y = [
+ 9.0,
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 1, 0, y, 2, 1 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports a `y` offset (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 0.0, 0.0, 1.0 ];
+ y = [
+ 9.0,
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 0.0 // 2
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 1, 0, toAccessorArray( y ), 2, 1 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports negative strides', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 5.0, 4.0, 3.0, 2.0, 1.0, 0.0 ];
+ y = [ 5.0, 4.0, 3.0, 9.0, 1.0, 0.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, x, -1, x.length-1, y, -1, y.length-1 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports negative strides (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [ 5.0, 4.0, 3.0, 2.0, 1.0, 0.0 ];
+ y = [ 5.0, 4.0, 3.0, 9.0, 1.0, 0.0 ];
+
+ actual = gfirstIndexNotEqual( x.length, toAccessorArray( x ), -1, x.length-1, toAccessorArray( y ), -1, y.length-1 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports complex access patterns', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 2
+ 0.0, // 1
+ 0.0, // 0
+ 9.0,
+ 9.0
+ ];
+
+ actual = gfirstIndexNotEqual( 3, x, 2, 0, y, -1, 2 );
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});
+
+tape( 'the function supports complex access patterns (accessors)', function test( t ) {
+ var actual;
+ var x;
+ var y;
+
+ x = [
+ 0.0, // 0
+ 9.0,
+ 0.0, // 1
+ 9.0,
+ 1.0 // 2
+ ];
+ y = [
+ 0.0, // 2
+ 0.0, // 1
+ 0.0, // 0
+ 9.0,
+ 9.0
+ ];
+
+ actual = gfirstIndexNotEqual( 3, toAccessorArray( x ), 2, 0, toAccessorArray( y ), -1, 2 ); // eslint-disable-line max-len
+ t.strictEqual( actual, 2, 'returns expected value' );
+
+ t.end();
+});