| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061 |
- #
- # Some normal numbers.
- #
- assert 1 / 2 <> undefined
- assert 0 / 2 <> undefined
- assert sqrt (10) <> undefined
- #
- # Some infinities.
- #
- assert 1 / 0 = undefined
- assert 1 div 0 = undefined
- assert 1 mod 0 = undefined
- assert 10 ^ 500 = undefined
- assert exp (1000) = undefined
- #
- # Some infinitesimals.
- #
- assert 10 ^ -500 = 0
- assert exp (-1000) = 0
- #
- # Some not-a-numbers.
- #
- assert sqrt (-10) = undefined
- assert 0 / 0 = undefined
- assert 0 div 0 = undefined
- assert 0 mod 0 = undefined
- #
- # Propagation.
- #
- assert - undefined = undefined
- assert undefined - undefined = undefined
- assert sqrt (undefined) = undefined
- assert sqrt (- undefined) = undefined
- assert undefined * 0 = undefined
- assert 0 * undefined = undefined
- assert 1 / undefined = undefined
- assert 0 ^ undefined = undefined
- assert undefined ^ undefined = undefined
- #
- # Propagation within larger expressions.
- #
- assert 1 / (1 / 0) = undefined
- assert 1 / (0 / 0) = undefined
- assert 1 / exp (1000) = undefined ; not the same as exp (-1000)!
- assert 0 ^ (1 / 0) = undefined
- assert 0 * (0 / 0) = undefined
- assert 0 * (1 / 0) = undefined
- #
- # Exception to propagation: anything to the power 0 always gives 1 (as in R).
- #
- assert 0 ^ 0 = 1
- ;assert undefined ^ 0 = 1
- assert undefined ^ 0 = undefined
- ;assert sqrt (-1) ^ 0 = 1
- assert sqrt (-1) ^ 0 = undefined
|
