|5 p: y Improved||
initial writing: 2009-11-04|
last updated: 2009-11-04
5 p: y (totient function; the number of numbers relatively prime to y) is now faster. The following benchmarks illustrate the improvements.
timer=: 6!:2 y=: 2x+i.1e5 timer '5 p: y' NB. J7.01 0.796005 timer '5 p: y' NB. J6.02 2.7178