diff --git a/lib/node_modules/@stdlib/blas/ext/base/ndarray/docs/types/index.d.ts b/lib/node_modules/@stdlib/blas/ext/base/ndarray/docs/types/index.d.ts
index de73cb6a6ddf..8eca4b50b0cc 100644
--- a/lib/node_modules/@stdlib/blas/ext/base/ndarray/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/blas/ext/base/ndarray/docs/types/index.d.ts
@@ -47,6 +47,7 @@ import dcusumors = require( '@stdlib/blas/ext/base/ndarray/dcusumors' );
 import dcusumpw = require( '@stdlib/blas/ext/base/ndarray/dcusumpw' );
 import ddiff = require( '@stdlib/blas/ext/base/ndarray/ddiff' );
 import dfillEqual = require( '@stdlib/blas/ext/base/ndarray/dfill-equal' );
+import dfillNaN = require( '@stdlib/blas/ext/base/ndarray/dfill-nan' );
 import dfillNotEqual = require( '@stdlib/blas/ext/base/ndarray/dfill-not-equal' );
 import dfirstIndexGreaterThan = require( '@stdlib/blas/ext/base/ndarray/dfirst-index-greater-than' );
 import dfirstIndexLessThan = require( '@stdlib/blas/ext/base/ndarray/dfirst-index-less-than' );
@@ -92,6 +93,7 @@ import gcusumkbn2 = require( '@stdlib/blas/ext/base/ndarray/gcusumkbn2' );
 import gcusumors = require( '@stdlib/blas/ext/base/ndarray/gcusumors' );
 import gcusumpw = require( '@stdlib/blas/ext/base/ndarray/gcusumpw' );
 import gfillEqual = require( '@stdlib/blas/ext/base/ndarray/gfill-equal' );
+import gfillNaN = require( '@stdlib/blas/ext/base/ndarray/gfill-nan' );
 import gfillNotEqual = require( '@stdlib/blas/ext/base/ndarray/gfill-not-equal' );
 import gfindIndex = require( '@stdlib/blas/ext/base/ndarray/gfind-index' );
 import gfindLastIndex = require( '@stdlib/blas/ext/base/ndarray/gfind-last-index' );
@@ -138,6 +140,7 @@ import scusum = require( '@stdlib/blas/ext/base/ndarray/scusum' );
 import scusumkbn = require( '@stdlib/blas/ext/base/ndarray/scusumkbn' );
 import scusumkbn2 = require( '@stdlib/blas/ext/base/ndarray/scusumkbn2' );
 import scusumors = require( '@stdlib/blas/ext/base/ndarray/scusumors' );
+import sfillNaN = require( '@stdlib/blas/ext/base/ndarray/sfill-nan' );
 import sfillNotEqual = require( '@stdlib/blas/ext/base/ndarray/sfill-not-equal' );
 import sfirstIndexLessThan = require( '@stdlib/blas/ext/base/ndarray/sfirst-index-less-than' );
 import sindexOf = require( '@stdlib/blas/ext/base/ndarray/sindex-of' );
@@ -402,7 +405,7 @@ interface Namespace {
 	* var B = new Complex64Matrix( [ [ 0.0, 0.0, 0.0, 0.0 ], [ 0.0, 0.0, 0.0, 0.0 ] ] );
 	*
 	* var k = scalar2ndarray( 0, {
-	*    'dtype': 'generic'
+	*     'dtype': 'generic'
 	* });
 	*
 	* var out = ns.ctriu( [ A, B, k ] );
@@ -992,6 +995,34 @@ interface Namespace {
 	*/
 	dfillEqual: typeof dfillEqual;
 
+	/**
+	* Replaces elements in a one-dimensional double-precision floating-point ndarray equal to `NaN` with a specified scalar constant.
+	*
+	* ## Notes
+	*
+	* -   The function expects the following ndarrays:
+	*
+	*     -   a one-dimensional input ndarray.
+	*     -   a zero-dimensional ndarray containing the scalar constant.
+	*
+	* @param arrays - array-like object containing ndarrays
+	* @returns input ndarray
+	*
+	* @example
+	* var Float64Vector = require( '@stdlib/ndarray/vector/float64' );
+	* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+	*
+	* var x = new Float64Vector( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] );
+	*
+	* var alpha = scalar2ndarray( 0.0, {
+	*     'dtype': 'float64'
+	* });
+	*
+	* var out = ns.dfillNaN( [ x, alpha ] );
+	* // returns <ndarray>[ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ]
+	*/
+	dfillNaN: typeof dfillNaN;
+
 	/**
 	* Replaces elements in a one-dimensional double-precision floating-point ndarray not equal to a provided search element with a specified scalar constant.
 	*
@@ -2234,6 +2265,34 @@ interface Namespace {
 	*/
 	gfillEqual: typeof gfillEqual;
 
+	/**
+	* Replaces elements in a one-dimensional ndarray equal to `NaN` with a specified scalar constant.
+	*
+	* ## Notes
+	*
+	* -   The function expects the following ndarrays:
+	*
+	*     -   a one-dimensional input ndarray.
+	*     -   a zero-dimensional ndarray containing the scalar constant.
+	*
+	* @param arrays - array-like object containing ndarrays
+	* @returns input ndarray
+	*
+	* @example
+	* var vector = require( '@stdlib/ndarray/vector/ctor' );
+	* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+	*
+	* var x = vector( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ], 'generic' );
+	*
+	* var alpha = scalar2ndarray( 0.0, {
+	*     'dtype': 'generic'
+	* });
+	*
+	* var out = ns.gfillNaN( [ x, alpha ] );
+	* // returns <ndarray>[ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ]
+	*/
+	gfillNaN: typeof gfillNaN;
+
 	/**
 	* Replaces elements in a one-dimensional ndarray not equal to a provided search element with a specified scalar constant.
 	*
@@ -2966,7 +3025,7 @@ interface Namespace {
 	* var B = matrix( [ [ 0.0, 0.0 ], [ 0.0, 0.0 ] ], 'generic' );
 	*
 	* var k = scalar2ndarray( 0, {
-	*    'dtype': 'generic'
+	*     'dtype': 'generic'
 	* });
 	*
 	* var out = ns.gtriu( [ A, B, k ] );
@@ -3504,6 +3563,34 @@ interface Namespace {
 	*/
 	scusumors: typeof scusumors;
 
+	/**
+	* Replaces elements in a one-dimensional single-precision floating-point ndarray equal to `NaN` with a specified scalar constant.
+	*
+	* ## Notes
+	*
+	* -   The function expects the following ndarrays:
+	*
+	*     -   a one-dimensional input ndarray.
+	*     -   a zero-dimensional ndarray containing the scalar constant.
+	*
+	* @param arrays - array-like object containing ndarrays
+	* @returns input ndarray
+	*
+	* @example
+	* var Float32Vector = require( '@stdlib/ndarray/vector/float32' );
+	* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
+	*
+	* var x = new Float32Vector( [ NaN, -2.0, 3.0, NaN, 4.0, -6.0 ] );
+	*
+	* var alpha = scalar2ndarray( 0.0, {
+	*     'dtype': 'float32'
+	* });
+	*
+	* var out = ns.sfillNaN( [ x, alpha ] );
+	* // returns <ndarray>[ 0.0, -2.0, 3.0, 0.0, 4.0, -6.0 ]
+	*/
+	sfillNaN: typeof sfillNaN;
+
 	/**
 	* Replaces elements in a one-dimensional single-precision floating-point ndarray not equal to a provided search element with a specified scalar constant.
 	*
@@ -4047,7 +4134,7 @@ interface Namespace {
 	* var B = new Float32Matrix( [ [ 0.0, 0.0 ], [ 0.0, 0.0 ] ] );
 	*
 	* var k = scalar2ndarray( 0, {
-	*    'dtype': 'generic'
+	*     'dtype': 'generic'
 	* });
 	*
 	* var out = ns.striu( [ A, B, k ] );
@@ -4472,7 +4559,7 @@ interface Namespace {
 	* var B = new Complex128Matrix( [ [ 0.0, 0.0, 0.0, 0.0 ], [ 0.0, 0.0, 0.0, 0.0 ] ] );
 	*
 	* var k = scalar2ndarray( 0, {
-	*    'dtype': 'generic'
+	*     'dtype': 'generic'
 	* });
 	*
 	* var out = ns.ztriu( [ A, B, k ] );