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Co-authored-by: Athan <kgryte@gmail.com>
Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/ddiff/lib/ndarray.js

@@ -73,11 +73,9 @@ function ddiff( N, k, x, strideX, offsetX, N1, prepend, strideP, offsetP, N2, ap
 	var i;
 
 	total = N + N1 + N2;
-	if ( total <= 1 ) {
-		return out;
-	}
+
 	// If `k` is greater than or equal to the total number of elements, the k-th forward difference results in an empty array, so this function is a no-op...
-	if ( k >= total ) {
+	if ( total <= 1 || k >= total ) {
 		return out;
 	}
 	// If `k` is equal to zero, there are no differences to compute, so we merely copy the various arrays into the output array...