'min-test require :test
;;;

"math" test.describe

  (0 d2r sin 0 ==) test.assert

  (30 d2r sin 0.5 ==) test.assert

  (45 d2r sin 2 sqrt 2 / ==) test.assert

  (60 d2r sin 3 sqrt 2 / ==) test.assert

  (90 d2r sin 1 ==) test.assert

  (15 d2r sin 75 d2r cos ==) test.assert

  (15 cos 2 pow 15 sin 2 pow + 1 ==) test.assert

  (pi 4 / tan 1 ==) test.assert

  (e 3 pow ln 3 ==) test.assert

  (pi floor 3 ==) test.assert

  (pi 2 round 3.14 ==) test.assert

  (pi ceil 4 ==) test.assert

  (pi trunc 3 ==) test.assert
  
  (-2.87 abs 2.87 ==) test.assert

  test.report
  stack.clear