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Watson1978/test_mult.rb

Created May 3, 2012 06:15
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MacRuby : bug : multiply
Raw
test_mult.rb
a = 2147483648
b = 2147483647
p a * b #=> 4611686016279904256
p (-a) * b #=> -4611686016279904256
p a * (-b) #=> -4611686016279904256
p (-a) * (-b) #=> 4611686016279904256
@Watson1978

Watson1978 commented May 3, 2012

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Expect

$ ruby19 test_mult.rb                                   
4611686016279904256
-4611686016279904256
-4611686016279904256
4611686016279904256

Result

$ macruby test_mult.rb
4611686016279904256
2147483648
-4611686016279904256
-2147483648

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