core_marking1/collatz_test2.scala
author Christian Urban <christian.urban@kcl.ac.uk>
Fri, 12 Sep 2025 10:36:07 +0100
changeset 492 17e6f46260bd
parent 491 2a30c7dfe3ed
permissions -rw-r--r--
updated
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
491
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     1
def urbanmain() = {
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     2
  import C1._
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     3
 
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     4
  assert(collatz_max(10) == (19, 9))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     5
  assert(collatz_max(100) == (118, 97))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     6
  assert(collatz_max(1000) == (178, 871))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     7
  assert(collatz_max(10000) == (261, 6171))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     8
  assert(collatz_max(100000) == (350, 77031))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
     9
  assert(collatz_max(1000000) == (524, 837799))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
    10
  assert(collatz_max(2) == (1, 2))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
    11
  assert(collatz_max(77000) == (339, 52527))
2a30c7dfe3ed updated
Christian Urban <christian.urban@kcl.ac.uk>
parents: 421
diff changeset
    12
}