1. 07 Apr, 2017 1 commit
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  4. 27 Jan, 2017 1 commit
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  13. 20 Aug, 2016 1 commit
    • Robbert Krebbers's avatar
      Remove the requirement that the unit of a CMRA is timeless. · 7975f872
      Robbert Krebbers authored
      This requirement was useful in Iris 2.0: in order to ensure that ownership of
      the physical state was timeless, we required the ghost CMRA to have a timeless
      unit. To avoid having additional type class parameters, or having to extend the
      algebraic hierarchy, we required the units of any CMRA to be timeless.
      
      In Iris 3.0, this issue no longer applies: ownership of the physical state is
      ghost ownership in the global CMRA, whose unit is always timeless.
      
      Thanks to Jeehoon Kang for spotting this unnecessary requirement.
      7975f872
  14. 14 Aug, 2016 1 commit
  15. 25 Jul, 2016 1 commit
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  17. 31 May, 2016 1 commit
  18. 28 May, 2016 1 commit
    • Robbert Krebbers's avatar
      CMRAs with partial cores. · cfb00b3e
      Robbert Krebbers authored
      Based on an idea and WIP commits of J-H. Jourdan: the core of a CMRA
      A is now a partial function A → option A.
      
      TODO: define sum CMRA
      TODO: remove one shot CMRA and define it in terms of sum
      cfb00b3e
  19. 27 May, 2016 1 commit
  20. 25 May, 2016 1 commit
    • Robbert Krebbers's avatar
      Tweak the algebraic hierarchy. · a3d0a338
      Robbert Krebbers authored
      - Make the carrier argument of the constructors for the canonical structures
        cofeT and cmraT explicit. This way we make sure the carrier is properly
        exposed, instead of some alias of the carrier.
      - Make derived constructions (such as discreteC and discreteR) notations
        instead of definitions. This is yet again to make sure that the carrier is
        properly exposed.
      - Turn DRA into a canonical structure (it used to be a type class).
      
      This fixes some issues, notably it fixes some broken rewrites in algebra/sts
      and it makes canonical structures work properly with dec_agree.
      a3d0a338
  21. 15 Mar, 2016 1 commit
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  25. 07 Mar, 2016 2 commits
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  29. 29 Feb, 2016 1 commit
  30. 26 Feb, 2016 3 commits
    • Robbert Krebbers's avatar
      0b440787
    • Robbert Krebbers's avatar
      Simplify CMRAMonotone. · ca3da7ca
      Robbert Krebbers authored
      It now also contains a non-expansiveness proof.
      ca3da7ca
    • Robbert Krebbers's avatar
      Simplify CMRA axioms. · aa947529
      Robbert Krebbers authored
      I have simplified the following CMRA axioms:
      
        cmra_unit_preservingN n x y : x ≼{n} y → unit x ≼{n} unit y;
        cmra_op_minus n x y : x ≼{n} y → x ⋅ y ⩪ x ≡{n}≡ y;
      
      By dropping off the step-index, so into:
      
        cmra_unit_preservingN x y : x ≼ y → unit x ≼ unit y;
        cmra_op_minus x y : x ≼ y → x ⋅ y ⩪ x ≡ y;
      
      The old axioms can be derived.
      aa947529
  31. 25 Feb, 2016 1 commit
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  34. 19 Feb, 2016 1 commit