Remove unnecessary variable

kgryte · kgryte · commit cc4a2ee5366d · 2017-12-27T20:58:14.000-08:00
The `prefix` variable was only included in the original reference
implementation for historical reasons. Its inclusion is no longer
necessary.
diff --git a/lib/node_modules/@stdlib/math/base/special/beta/lib/beta.js b/lib/node_modules/@stdlib/math/base/special/beta/lib/beta.js
@@ -65,7 +65,6 @@ var G = 10.90051099999999983936049829935654997826;
 * // returns NaN
 */
 function beta( a, b ) {
-	var prefix;
 	var ambh;
 	var agh;
 	var bgh;
@@ -74,7 +73,6 @@ function beta( a, b ) {
 	var tmp;
 	var c;
 
-	prefix = 1;
 	if ( isnan( a ) || isnan( b ) ) {
 		return NaN;
 	}
@@ -128,9 +126,6 @@ function beta( a, b ) {
 		res *= pow( (agh*bgh)/(cgh*cgh), b );
 	}
 	res *= sqrt( E/bgh);
-
-	// If `a` and `b` were originally less than 1 we need to scale the result:
-	res *= prefix;
 	return res;
 } // end FUNCTION beta()
 
