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* Add BigInts * Renames tos plurals * Improve Stringifications * Update changelog.md Co-authored-by: flywind <43030857+xflywind@users.noreply.github.com> * RunnableExamplerize * discard the discardable pragma * Several improvements from peer reviews, more docs * More doc, more test * More doc, more test * Better error message 'Error: usage of low is an {.error.} defined at jsbigints.nim' instead of just 'type mismatch JsBigInt' * is an overload, rename * proc to scare kids away * Update lib/js/jsbigints.nim Co-authored-by: Timothee Cour <timothee.cour2@gmail.com> * https://github.com/nim-lang/Nim/pull/16409#discussion_r554365041 Co-authored-by: flywind <43030857+xflywind@users.noreply.github.com> Co-authored-by: Timothee Cour <timothee.cour2@gmail.com>
39 lines
1.2 KiB
Nim
39 lines
1.2 KiB
Nim
discard """
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targets: "js"
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"""
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import std/jsbigints
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let big1: JsBigInt = big"2147483647"
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let big2: JsBigInt = big"666"
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var big3: JsBigInt = big"2"
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doAssert big3 == big"2"
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doAssert (big3 xor big2) == big"664"
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doAssert (big1 mod big2) == big"613"
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doAssert -big1 == big"-2147483647"
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doAssert big1 div big2 == big"3224449"
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doAssert big1 + big2 == big"2147484313"
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doAssert big1 - big2 == big"2147482981"
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doAssert big1 shl big3 == big"8589934588"
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doAssert big1 shr big3 == big"536870911"
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doAssert big1 * big2 == big"1430224108902"
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doAssert $big1 == "2147483647n"
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doAssert big1.toCstring(10) == "2147483647".cstring
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doAssert big2 ** big3 == big(443556)
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var huge = big"999999999999999999999999999999999999999999999999999999999999999999999999999999999999999"
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huge.inc
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huge = huge + big"-999999999999999999999999999999999999999999999999999999999999999999999999999999999999999"
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doAssert huge == big"1"
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var list: seq[JsBigInt]
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for i in big"0" .. big"5":
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doAssert i is JsBigInt
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list.add i
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doAssert list == @[big"0", big"1", big"2", big"3", big"4", big"5"]
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list = @[]
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for i in big"0" ..< big"5":
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doAssert i is JsBigInt
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list.add i
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doAssert list == @[big"0", big"1", big"2", big"3", big"4"]
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