refactor: add function to increment offsets

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Author: kgryte

lib/node_modules/@stdlib/ndarray/base/unary-reduce-strided1d-to-struct/lib/increment_offsets.js

@@ -0,0 +1,46 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 //
+
+/**
+* Increments index offsets according to a list of increments.
+*
+* ## Notes
+*
+* -   This function mutates the list of index offsets.
+*
+* @private
+* @param {NonNegativeIntegerArray} offsets - list of index offsets
+* @param {NonNegativeIntegerArray} inc - list of increments
+* @returns {NonNegativeIntegerArray} updated offsets
+*/
+function incrementOffsets( offsets, inc ) {
+	var i;
+	for ( i = 0; i < offsets.length; i++ ) {
+		offsets[ i ] += inc[ i ];
+	}
+	return offsets;
+}
+
+
+// EXPORTS //
+
+module.exports = incrementOffsets;