fix: apply suggestions from code review

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: headlessNode

lib/node_modules/@stdlib/blas/ext/base/ndarray/dlast-index-of/lib/main.js

@@ -70,13 +70,14 @@ function dlastIndexOf( arrays ) {
 	searchElement = ndarraylike2scalar( arrays[ 1 ] );
 	fromIndex = ndarraylike2scalar( arrays[ 2 ] );
 
-	if ( fromIndex < 0 ) {
-		fromIndex += N;
-		if ( fromIndex < 0 ) {
-			fromIndex = 0;
+	if (fromIndex < 0) {
+		if (fromIndex >= -N) {
+			fromIndex += N;
+		} else {
+			return -1;
 		}
 	} else if ( fromIndex >= N ) {
-		return -1;
+		fromIndex = N - 1;
 	}
 	N = fromIndex + 1;
 	stride = getStride( x, 0 );

lib/node_modules/@stdlib/blas/ext/base/ndarray/dlast-index-of/test/test.js

@@ -137,7 +137,7 @@ tape( 'the function returns the last index of an element which equals a provided
 	t.end();
 });
 
-tape( 'the function returns `-1` if provided a starting search index which is greater than or equal to number of elements in the input ndarray', function test( t ) {
+tape( 'the function clamps the provided starting search index if it is greater than or equal to number of elements in the input ndarray', function test( t ) {
 	var searchElement;
 	var fromIndex;
 	var actual;
@@ -152,7 +152,7 @@ tape( 'the function returns `-1` if provided a starting search index which is gr
 	});
 
 	actual = dlastIndexOf( [ x, searchElement, fromIndex ] );
-	t.strictEqual( actual, -1, 'returns expected value' );
+	t.strictEqual( actual, 3, 'returns expected value' );
 
 	t.end();
 });