fix: apply code review suggestion

Author: headlessNode

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

@@ -65,15 +65,14 @@ function dnannsumkbn( N, x, strideX, offsetX, out, strideOut, offsetOut ) {
 	var n;
 	var i;
 
-	ix = offsetX;
-	io = offsetOut;
-
 	sum = 0.0;
+	io = offsetOut;
 	if ( N <= 0 ) {
 		out[ io ] = sum;
 		out[ io+strideOut ] = 0;
 		return out;
 	}
+	ix = offsetX;
 	if ( strideX === 0 ) {
 		if ( isnan( x[ ix ] ) ) {
 			out[ io ] = sum;

lib/node_modules/@stdlib/blas/ext/base/dnannsumkbn/src/main.c

@@ -16,8 +16,8 @@
 * limitations under the License.
 */
 
-#include "stdlib/strided/base/stride2offset.h"
 #include "stdlib/blas/ext/base/dnannsumkbn.h"
+#include "stdlib/strided/base/stride2offset.h"
 #include "stdlib/math/base/assert/is_nan.h"
 #include "stdlib/math/base/special/abs.h"
 #include "stdlib/blas/base/shared.h"
@@ -71,11 +71,11 @@ double API_SUFFIX(stdlib_strided_dnannsumkbn_ndarray)( const CBLAS_INT N, const
 	double c;
 
 	sum = 0.0;
-	ix = offsetX;
 	*n = 0;
 	if ( N <= 0 ) {
 		return sum;
 	}
+	ix = offsetX;
 	if ( strideX == 0 ) {
 		if ( stdlib_base_is_nan( X[ ix ] ) ) {
 			return sum;