diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/README.md b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/README.md
new file mode 100644
index 000000000000..8641a770dbdf
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/README.md
@@ -0,0 +1,159 @@
+
+
+# zindexOf
+
+> Return the first index of a search element in a one-dimensional double-precision complex floating-point ndarray.
+
+
+
+
+
+
+
+
+
+## Usage
+
+```javascript
+var zindexOf = require( '@stdlib/blas/ext/base/ndarray/zindex-of' );
+```
+
+#### zindexOf( arrays )
+
+Returns the first index of a specified search element in a one-dimensional double-precision complex floating-point ndarray.
+
+```javascript
+var Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+
+var x = new Complex128Vector( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+
+var searchElement = scalar2ndarray( new Complex128( 3.0, 4.0 ), {
+ 'dtype': 'complex128'
+});
+
+var fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+});
+
+var idx = zindexOf( [ x, searchElement, fromIndex ] );
+// returns 1
+```
+
+The function has the following parameters:
+
+- **arrays**: array-like object containing the following ndarrays:
+
+ - a one-dimensional input ndarray.
+ - a zero-dimensional ndarray containing the search element.
+ - a zero-dimensional ndarray containing the index from which to begin searching.
+
+If the function is unable to find a search element, the function returns `-1`.
+
+```javascript
+var Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+
+var x = new Complex128Vector( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+
+var searchElement = scalar2ndarray( new Complex128( 10.0, 0.0 ), {
+ 'dtype': 'complex128'
+});
+
+var fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+});
+
+var idx = zindexOf( [ x, searchElement, fromIndex ] );
+// returns -1
+```
+
+
+
+
+
+
+
+## Notes
+
+- If a specified starting search index is negative, the function resolves the starting search index by counting backward from the last element (where `-1` refers to the last element).
+
+
+
+
+
+
+
+## Examples
+
+
+
+```javascript
+var discreteUniform = require( '@stdlib/random/array/discrete-uniform' );
+var Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var ndarray2array = require( '@stdlib/ndarray/to-array' );
+var ndarraylike2scalar = require( '@stdlib/ndarray/ndarraylike2scalar' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+var zindexOf = require( '@stdlib/blas/ext/base/ndarray/zindex-of' );
+
+var opts = {
+ 'dtype': 'float64'
+};
+
+var x = new Complex128Vector( discreteUniform( 20, -50, 50, opts ) );
+console.log( ndarray2array( x ) );
+
+var searchElement = scalar2ndarray( new Complex128( 2.0, 3.0 ), {
+ 'dtype': 'complex128'
+});
+console.log( 'Search Element:', ndarraylike2scalar( searchElement ) );
+
+var fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+});
+console.log( 'From Index:', ndarraylike2scalar( fromIndex ) );
+
+var idx = zindexOf( [ x, searchElement, fromIndex ] );
+console.log( idx );
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/benchmark/benchmark.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/benchmark/benchmark.js
new file mode 100644
index 000000000000..a938fcbad847
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/benchmark/benchmark.js
@@ -0,0 +1,113 @@
+/**
+* @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 uniform = require( '@stdlib/random/array/uniform' );
+var isInteger = require( '@stdlib/assert/is-integer' ).isPrimitive;
+var pow = require( '@stdlib/math/base/special/pow' );
+var Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var zindexOf = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - array length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+ var searchElement;
+ var fromIndex;
+ var xbuf;
+ var x;
+
+ xbuf = uniform( len*2, 0.0, 100.0, {
+ 'dtype': 'float64'
+ });
+ x = new Complex128Vector( xbuf.buffer );
+ searchElement = scalar2ndarray( new Complex128( -10.0, -10.0 ), {
+ 'dtype': 'complex128'
+ });
+ fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+ });
+ 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 = zindexOf( [ x, searchElement, fromIndex ] );
+ 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/ndarray/zindex-of/docs/repl.txt b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/repl.txt
new file mode 100644
index 000000000000..793f8d90da30
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/repl.txt
@@ -0,0 +1,35 @@
+
+{{alias}}( arrays )
+ Returns the first index of a search element in a one-dimensional double-
+ precision complex floating-point ndarray.
+
+ If a specified starting search index is negative, the function resolves the
+ starting search index by counting backward from the last element (where `-1`
+ refers to the last element).
+
+ Parameters
+ ----------
+ arrays: ArrayLikeObject
+ Array-like object containing the following ndarrays:
+
+ - a one-dimensional input ndarray.
+ - a zero-dimensional ndarray containing the search element.
+ - a zero-dimensional ndarray containing the index from which to begin
+ searching.
+
+ Returns
+ -------
+ out: integer
+ Index.
+
+ Examples
+ --------
+ > var x = new {{alias:@stdlib/ndarray/vector/complex128}}( [ 1.0, 2.0, 3.0, 4.0 ] );
+ > var c = new {{alias:@stdlib/complex/float64/ctor}}( 3.0, 4.0 );
+ > var v = {{alias:@stdlib/ndarray/from-scalar}}( c, { 'dtype': 'complex128' } );
+ > var i = {{alias:@stdlib/ndarray/from-scalar}}( 0, { 'dtype': 'generic' } );
+ > {{alias}}( [ x, v, i ] )
+ 1
+
+ See Also
+ --------
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/types/index.d.ts
new file mode 100644
index 000000000000..5affc3eec6b7
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/types/index.d.ts
@@ -0,0 +1,63 @@
+/*
+* @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 { complex128ndarray, typedndarray } from '@stdlib/types/ndarray';
+import { Complex128 } from '@stdlib/types/complex';
+
+/**
+* Returns the first index of a search element in a one-dimensional double-precision complex floating-point ndarray.
+*
+* ## Notes
+*
+* - The function expects the following ndarrays:
+*
+* - a one-dimensional input ndarray.
+* - a zero-dimensional ndarray containing the search element.
+* - a zero-dimensional ndarray containing the index from which to begin searching.
+*
+* @param arrays - array-like object containing ndarrays
+* @returns index
+*
+* @example
+* var Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+* var Complex128 = require( '@stdlib/complex/float64/ctor' );
+*
+* var x = new Complex128Vector( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+*
+* var searchElement = scalar2ndarray( new Complex128( 3.0, 4.0 ), {
+* 'dtype': 'complex128'
+* });
+*
+* var fromIndex = scalar2ndarray( 0, {
+* 'dtype': 'generic'
+* });
+*
+* var v = zindexOf( [ x, searchElement, fromIndex ] );
+* // returns 1
+*/
+declare function zindexOf( arrays: [ complex128ndarray, typedndarray, typedndarray ] ): number;
+
+
+// EXPORTS //
+
+export = zindexOf;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/types/test.ts b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/types/test.ts
new file mode 100644
index 000000000000..81ea9e28f789
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/docs/types/test.ts
@@ -0,0 +1,71 @@
+/*
+* @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.
+*/
+
+/* eslint-disable space-in-parens */
+
+import zeros = require( '@stdlib/ndarray/zeros' );
+import scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+import Complex128 = require( '@stdlib/complex/float64/ctor' );
+import zindexOf = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+ const x = zeros( [ 10 ], {
+ 'dtype': 'complex128'
+ });
+ const searchElement = scalar2ndarray( new Complex128( 0.0, 0.0 ), {
+ 'dtype': 'complex128'
+ });
+ const fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+ });
+
+ zindexOf( [ x, searchElement, fromIndex ] ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided a first argument which is not an array of ndarrays...
+{
+ zindexOf( '10' ); // $ExpectError
+ zindexOf( 10 ); // $ExpectError
+ zindexOf( true ); // $ExpectError
+ zindexOf( false ); // $ExpectError
+ zindexOf( null ); // $ExpectError
+ zindexOf( undefined ); // $ExpectError
+ zindexOf( [] ); // $ExpectError
+ zindexOf( {} ); // $ExpectError
+ zindexOf( ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided an unsupported number of arguments...
+{
+ const x = zeros( [ 10 ], {
+ 'dtype': 'complex128'
+ });
+ const searchElement = scalar2ndarray( new Complex128( 0.0, 0.0 ), {
+ 'dtype': 'complex128'
+ });
+ const fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+ });
+
+ zindexOf(); // $ExpectError
+ zindexOf( [ x, searchElement, fromIndex ], {} ); // $ExpectError
+}
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/examples/index.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/examples/index.js
new file mode 100644
index 000000000000..6e848a046e86
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/examples/index.js
@@ -0,0 +1,47 @@
+/**
+* @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 Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+var ndarray2array = require( '@stdlib/ndarray/to-array' );
+var ndarraylike2scalar = require( '@stdlib/ndarray/ndarraylike2scalar' );
+var Complex128 = require( '@stdlib/complex/float64/ctor' );
+var zindexOf = require( './../lib' );
+
+var opts = {
+ 'dtype': 'float64'
+};
+
+var x = new Complex128Vector( discreteUniform( 20, -50, 50, opts ) );
+console.log( ndarray2array( x ) );
+
+var searchElement = scalar2ndarray( new Complex128( 2.0, 3.0 ), {
+ 'dtype': 'complex128'
+});
+console.log( 'Search Element:', ndarraylike2scalar( searchElement ) );
+
+var fromIndex = scalar2ndarray( 0, {
+ 'dtype': 'generic'
+});
+console.log( 'From Index:', ndarraylike2scalar( fromIndex ) );
+
+var idx = zindexOf( [ x, searchElement, fromIndex ] );
+console.log( idx );
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/lib/index.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/lib/index.js
new file mode 100644
index 000000000000..4fd2ceac505d
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/lib/index.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';
+
+/**
+* Return the first index of a search element in a one-dimensional double-precision complex floating-point ndarray.
+*
+* @module @stdlib/blas/ext/base/ndarray/zindex-of
+*
+* @example
+* var Complex128Vector = require( '@stdlib/ndarray/vector/complex128' );
+* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+* var Complex128 = require( '@stdlib/complex/float64/ctor' );
+* var zindexOf = require( '@stdlib/blas/ext/base/ndarray/zindex-of' );
+*
+* var x = new Complex128Vector( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
+*
+* var searchElement = scalar2ndarray( new Complex128( 3.0, 4.0 ), {
+* 'dtype': 'complex128'
+* });
+*
+* var fromIndex = scalar2ndarray( 0, {
+* 'dtype': 'generic'
+* });
+*
+* var v = zindexOf( [ x, searchElement, fromIndex ] );
+* // returns 1
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/lib/main.js b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/lib/main.js
new file mode 100644
index 000000000000..86c704cd6894
--- /dev/null
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/zindex-of/lib/main.js
@@ -0,0 +1,101 @@
+/**
+* @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 numelDimension = require( '@stdlib/ndarray/base/numel-dimension' );
+var getStride = require( '@stdlib/ndarray/base/stride' );
+var getOffset = require( '@stdlib/ndarray/base/offset' );
+var getData = require( '@stdlib/ndarray/base/data-buffer' );
+var strided = require( '@stdlib/blas/ext/base/zindex-of' ).ndarray;
+var ndarraylike2scalar = require( '@stdlib/ndarray/base/ndarraylike2scalar' );
+
+
+// MAIN //
+
+/**
+* Returns the first index of a search element in a one-dimensional double-precision complex floating-point ndarray.
+*
+* ## Notes
+*
+* - The function expects the following ndarrays:
+*
+* - a one-dimensional input ndarray.
+* - a zero-dimensional ndarray containing the search element.
+* - a zero-dimensional ndarray containing the index from which to begin searching.
+*
+* @param {ArrayLikeObject