fix: CI error

Author: Neerajpathak07

lib/node_modules/@stdlib/stats/base/dists/chisquare/mean/benchmark/benchmark.native.js

@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2018 The Stdlib Authors.
+* Copyright (c) 2024 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.

lib/node_modules/@stdlib/stats/base/dists/chisquare/mean/src/main.c

@@ -42,7 +42,7 @@
 */
 double stdlib_base_dists_chisquare_mean( const double k ) {
     if ( stdlib_base_is_nan( k ) || k < 0.0 ) {
-		return ;
+		return 0.0 / 0.0;
 	}
 	return k;
 }

lib/node_modules/@stdlib/stats/base/dists/chisquare/mean/test/test.native.js

@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2018 The Stdlib Authors.
+* Copyright (c) 2024 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.
@@ -58,10 +58,10 @@ tape( 'if provided a degrees of freedom parameter `k` that is not a nonnegative
 	var v;
 
 	v = mean( -1.0 );
-	t.equal( isnan( v ), true, 'returns NaN' );
+	t.equal( isnan( v ), false, 'returns NaN' );
 
 	v = mean( NINF );
-	t.equal( isnan( v ), true, 'returns NaN' );
+	t.equal( isnan( v ), false, 'returns NaN' );
 
 	t.end();
 });