"converted floating point value to a word"

Author: RiyaChy072

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

@@ -78,20 +78,24 @@ static const double NEAR_ZERO = 1.0 / (1 << 28); // 2**-28
 * out = stdlib_base_atanh( 0.9 );
 * // returns ~1.472
 */
+
+static const double one = 1.0;
+static const double zero = 0.0;
+
 double stdlib_base_atanh( const double x ) {
 	int32_t sgn;
 	double ax;
 	double t;
-	if ( stdlib_base_is_nan( x ) || x < -1.0 || x > 1.0 ) {
-		return 0.0 / 0.0; // NaN
+	if ( stdlib_base_is_nan( x ) || x < -one || x > one ) {
+		return zero / zero ; // NaN
 	}
-	if ( x == 1.0 ) {
+	if ( x === one ) {
 		return STDLIB_CONSTANT_FLOAT64_PINF;
 	}
-	if ( x == -1.0 ) {
+	if ( x == -one ) {
 		return STDLIB_CONSTANT_FLOAT64_NINF;
 	}
-	if ( x < 0.0 ) {
+	if ( x < zero ) {
 		sgn = 1;
 		ax = -x;
 	} else {
@@ -104,9 +108,9 @@ double stdlib_base_atanh( const double x ) {
 	}
 	if ( ax < 0.5 ) {
 		t = ax + ax;
-		t = 0.5 * stdlib_base_log1p( t + ( t * ax / ( 1 - ax ) ) );
+		t = 0.5 * stdlib_base_log1p( t + ( t * ax / ( one - ax ) ) );
 	} else {
-		t = 0.5 * stdlib_base_log1p( ( ax + ax ) / ( 1 - ax ) );
+		t = 0.5 * stdlib_base_log1p( ( ax + ax ) / ( one - ax ) );
 	}
 	return ( sgn == 1 ) ? -t : t;
 }