tasks a-s

2013-04-10 23:57:08 -07:00 · 2013-04-10 23:57:08 -07:00 · b83f433714
commit b83f433714
parent 47bf37c096
12433 changed files with 156208 additions and 123 deletions
--- a/Task/Primality-by-trial-division/CoffeeScript/primality-by-trial-division.coffeescript
+++ b/Task/Primality-by-trial-division/CoffeeScript/primality-by-trial-division.coffeescript
@ -0,0 +1,12 @@
+is_prime = (n) ->
+  # simple prime detection using trial division, works
+  # for all integers
+  return false if n <= 1 # by definition
+  p = 2
+  while p * p <= n
+    return false if n % p == 0
+    p += 1
+  true
+
+for i in [-1..100]
+  console.log i if is_prime i