fix: use sqrtf

Author: aayush0325

lib/node_modules/@stdlib/stats/base/sstdevtk/lib/ndarray.js

@@ -20,9 +20,8 @@
 
 // MODULES //
 
-var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
 var svariancetk = require( '@stdlib/stats/base/svariancetk' ).ndarray;
-var sqrt = require( '@stdlib/math/base/special/sqrt' );
+var sqrtf = require( '@stdlib/math/base/special/sqrtf' );
 
 
 // MAIN //
@@ -46,7 +45,7 @@ var sqrt = require( '@stdlib/math/base/special/sqrt' );
 * // returns 2.5
 */
 function sstdevtk( N, correction, x, strideX, offsetX ) {
-	return float64ToFloat32( sqrt( svariancetk( N, correction, x, strideX, offsetX ) ) ); // eslint-disable-line max-len
+	return sqrtf( svariancetk( N, correction, x, strideX, offsetX ) );
 }