TEST: vectorized the for loops
TEST: vectorized the for loops

samuelstjean/dipy,rfdougherty/dipy,villalonreina/dipy,nilgoyyou/dipy,JohnGriffiths/dipy,samuelstjean/dipy,JohnGriffiths/dipy,sinkpoint/dipy,mdesco/dipy,oesteban/dipy,nilgoyyou/dipy,StongeEtienne/dipy,FrancoisRheaultUS/dipy,oesteban/dipy,StongeEtienne/dipy,jyeatman/dipy,mdesco/dipy,beni55/dipy,FrancoisRheaultUS/dipy,jyeatman/dipy,matthieudumont/dipy,beni55/dipy,sinkpoint/dipy,demianw/dipy,Messaoud-Boudjada/dipy,samuelstjean/dipy,villalonreina/dipy,rfdougherty/dipy,matthieudumont/dipy,demianw/dipy,Messaoud-Boudjada/dipy