• d-bugmail puremagic.com (29/29) Aug 12 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6486
• d-bugmail puremagic.com (10/10) Mar 31 2013 http://d.puremagic.com/issues/show_bug.cgi?id=6486
• d-bugmail puremagic.com (8/8) Apr 03 2013 http://d.puremagic.com/issues/show_bug.cgi?id=6486
• d-bugmail puremagic.com (9/9) May 03 2013 http://d.puremagic.com/issues/show_bug.cgi?id=6486

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6486

           Summary: std.math.abs(BigInt)
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: enhancement
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: bearophile_hugs eml.cc



I'd like to use std.math.abs on a BigInt too:

import std.bigint, std.math;
void main() {
    auto r = abs(BigInt(-1000));
}


But dmd 2.054 gives:

...\src\phobos\std\math.d(251): Error: pure function 'abs' cannot call impure
function 'opCmp'
...\src\phobos\std\math.d(251): Error: safe function 'abs' cannot call system
function 'opCmp'

Line 251 of math.d is:

return x>=0 ? x : -x;

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6486


safety0ff.bugz gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |safety0ff.bugz gmail.com



https://github.com/D-Programming-Language/phobos/pull/1236

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6486




Commit pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/835fca54e909da1e01476016a47e443cbe196782
BigInt enhancement: make std.math.abs work with BigInt (issue 6486)

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6486


bearophile_hugs eml.cc changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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