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Issue 4872 - std.bigint problem with negative numbers
Summary: std.bigint problem with negative numbers
Status: RESOLVED FIXED
Alias: None
Product: D
Classification: Unclassified
Component: phobos (show other issues)
Version: D2
Hardware: x86 Windows
: P2 normal
Assignee: No Owner
URL:
Keywords:
Depends on:
Blocks: 4874
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Reported: 2010-09-15 14:10 UTC by bearophile_hugs
Modified: 2010-09-18 20:09 UTC (History)
2 users (show)

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Description bearophile_hugs 2010-09-15 14:10:05 UTC 
With dmd 2.049beta this asserts:


import std.bigint: BigInt;
void main() {
    assert(((BigInt(3) * BigInt(-2)) + (BigInt(-5) * BigInt(-1))) == BigInt(-1));
}


I think in some situations BigInt(3)*BigInt(-2) == BigInt(6).
Comment 1 Don 2010-09-15 15:08:23 UTC 
Fixed svn 2007.