chore: update data types

Author: Neerajpathak07

lib/node_modules/@stdlib/math/base/special/atanh/src/main.c

@@ -95,9 +95,9 @@ static const int32_t HIGH_BIASED_EXP_NEG_1 = 0x3fe00000;
 * // returns ~1.472
 */
 double stdlib_base_atanh( const double x ) {
-	u_int32_t lx;
-	double hx;
-	double ahx;
+	uint32_t lx;
+	int32_t hx;
+	int32_t ahx;
 	double t;
 	if ( stdlib_base_is_nan( x ) || x < -1.0 || x > 1.0 ) {
 		return 0.0 / 0.0; // NaN