diff --git a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.js b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.js
index 74265cbba6e3..fc3e743e515b 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.js
@@ -232,6 +232,23 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns a sum
 	t.end();
 });
 
+tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns `0.0`', function test( t ) {
+	var expected;
+	var out;
+	var x;
+	var v;
+
+	x = new Float64Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] );
+
+	out = new Float64Array( 2 );
+	v = dnannsumors( x.length, x, 0, out, 1 );
+
+	expected = new Float64Array( [ 0.0, 0.0 ] );
+	t.deepEqual( v, expected, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports view offsets', function test( t ) {
 	var expected0;
 	var expected1;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.native.js b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.native.js
index 8716af177db7..3e906ab744a3 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.dnannsumors.native.js
@@ -241,6 +241,23 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns a sum
 	t.end();
 });
 
+tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns `0.0`', opts, function test( t ) {
+	var expected;
+	var out;
+	var x;
+	var v;
+
+	x = new Float64Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] );
+
+	out = new Float64Array( 2 );
+	v = dnannsumors( x.length, x, 0, out, 1 );
+
+	expected = new Float64Array( [ 0.0, 0.0 ] );
+	t.deepEqual( v, expected, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports view offsets', opts, function test( t ) {
 	var expected0;
 	var expected1;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.js b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.js
index daae94f7a2a4..09007f1de7c9 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.js
@@ -232,6 +232,23 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns a sum
 	t.end();
 });
 
+tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns `0.0`', function test( t ) {
+	var expected;
+	var out;
+	var x;
+	var v;
+
+	x = new Float64Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] );
+
+	out = new Float64Array( 2 );
+	v = dnannsumors( x.length, x, 0, 0, out, 1, 0 );
+
+	expected = new Float64Array( [ 0.0, 0.0 ] );
+	t.deepEqual( v, expected, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports `offset` parameters', function test( t ) {
 	var expected;
 	var out;
diff --git a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.native.js b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.native.js
index 85481a880db3..cb74b729a875 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.native.js
+++ b/lib/node_modules/@stdlib/blas/ext/base/dnannsumors/test/test.ndarray.native.js
@@ -241,6 +241,23 @@ tape( 'if provided a `stride` parameter equal to `0`, the function returns a sum
 	t.end();
 });
 
+tape( 'if provided a `stride` parameter equal to `0` and the first element is `NaN`, the function returns `0.0`', opts, function test( t ) {
+	var expected;
+	var out;
+	var x;
+	var v;
+
+	x = new Float64Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] );
+
+	out = new Float64Array( 2 );
+	v = dnannsumors( x.length, x, 0, 0, out, 1, 0 );
+
+	expected = new Float64Array( [ 0.0, 0.0 ] );
+	t.deepEqual( v, expected, 'returns expected value' );
+
+	t.end();
+});
+
 tape( 'the function supports `offset` parameters', opts, function test( t ) {
 	var expected;
 	var out;