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Ingy döt Net 2015-02-20 09:02:09 -05:00
parent 00a190b0a6
commit 91df62d461
5697 changed files with 93386 additions and 804 deletions
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4
Task/Integer-overflow/Clojure/integer-overflow-1.clj Normal file
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@ -0,0 +1,4 @@
(* -1 (dec -9223372036854775807))
(+ 5000000000000000000 5000000000000000000)
(- -9223372036854775807 9223372036854775807)
(* 3037000500 3037000500)

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Task/Integer-overflow/Clojure/integer-overflow-2.clj Normal file
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(set! *unchecked-math* true)
(* -1 (dec -9223372036854775807)) ;=> -9223372036854775808
(+ 5000000000000000000 5000000000000000000) ;=> -8446744073709551616
(- -9223372036854775807 9223372036854775807) ;=> 2
(* 3037000500 3037000500) ;=> -9223372036709301616
; Note: The following division will currently silently overflow regardless of *unchecked-math*
; See: http://dev.clojure.org/jira/browse/CLJ-1253
(/ (dec -9223372036854775807) -1) ;=> -9223372036854775808