chore: updaing js implementation

Author: Neerajpathak07

lib/node_modules/@stdlib/number/float16/base/ulp-difference/lib/main.js

@@ -30,18 +30,18 @@ var abs = require( '@stdlib/math/base/special/abs' );
 // FUNCTIONS //
 
 /**
-* Converts an unsigned 32-bit integer corresponding to the IEEE 754 binary representation of a half-precision floating-point number to a lexicographically ordered integer.
+* Converts an unsigned 16-bit integer corresponding to the IEEE 754 binary representation of a half-precision floating-point number to a lexicographically ordered integer.
 *
 * @private
-* @param {unsigned32} word - unsigned 32-bit integer
+* @param {unsigned16} word - unsigned 16-bit integer
 * @returns {integer} lexicographically ordered integer
 */
 function monotoneKey( word ) {
 	if ( word & SIGN_MASK ) { // x < 0
-		return ( ~word + 1 ) &UINT16_MAX; // two's-complement negation
+		return ( ( ~word + 1 ) &UINT16_MAX ); // two's-complement negation
 	}
 	// x >= 0
-	return ( word | SIGN_MASK ) &UINT16_MAX; // push +0 to just above -0
+	return ( word | SIGN_MASK ) >>> 0; // push +0 to just above -0
 }
 
 
@@ -87,7 +87,7 @@ function ulpdiff( x, y ) {
 	if ( isnan( x ) || isnan( y ) ) {
 		return NaN;
 	}
-	// Convert input values to unsigned 32-bit integers corresponding to the IEEE 754 binary representation of half-precision floating-point numbers:
+	// Convert input values to unsigned 16-bit integers corresponding to the IEEE 754 binary representation of half-precision floating-point numbers:
 	wx = toWord( x );
 	wy = toWord( y );