refactor: avoid re-materializing complex number instances

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/blas/base/icamax/lib/ndarray.js

@@ -46,6 +46,7 @@ function icamax( N, x, strideX, offsetX ) {
 	var max;
 	var idx;
 	var ix;
+	var v;
 	var i;
 
 	if ( N < 1 ) {
@@ -58,9 +59,10 @@ function icamax( N, x, strideX, offsetX ) {
 	max = scabs1( x.get( offsetX ) );
 	ix = offsetX + strideX;
 	for ( i = 1; i < N; i++ ) {
-		if ( scabs1( x.get( ix ) ) > max ) {
+		v = scabs1( x.get( ix );
+		if ( v ) > max ) {
 			idx = i;
-			max = scabs1( x.get( ix ) );
+			max = v;
 		}
 		ix += strideX;
 	}