builtins/numeric_parts.rb

tests/_examples/builtins/numeric_parts.rb in the metorex repository.

# The readings a real number answers about where it sits on the complex plane.
p(3.i)
p(3.to_c)
p(5.polar)
p((-5).polar)
p(5.rect)
p((-4).arg == Math::PI)
p(4.angle)
p(4.phase)
p((-3).abs2)

p(5.quo(2))
p(2.quo(2.5))
p(13.remainder(4))
p((-13).remainder(4))
p(13.remainder(-4))
p(100.send(:-@))

p(Rational(5404319552844595, 18014398509481984).rationalize(Rational(1, 10)))
p(0.3.rationalize(0.001))
p((3382729202.92822).rationalize)

p(Complex(1, 2) + Complex(3, 4))
p(Complex(20, 40) / 0.0)
p(Complex(3, 9).fdiv(1.5))
p(Complex(3, 9) / 3)

p([Float::RADIX, Float::MAX_EXP, Float::MIN_EXP])
nan = 0.0 / 0.0
p((nan <=> 1.0))
p((1.0 <=> nan))

Output:

(0+3i)
(3+0i)
[5, 0]
[5, 3.141592653589793]
[5, 0]
true
0
0
9
(5/2)
0.8
1
-1
1
-100
(1/3)
(3/10)
(4806858197361/1421)
(4+6i)
(Infinity+Infinity*i)
(2.0+6.0i)
((1/1)+(3/1)*i)
[2, 1024, -1021]
nil
nil