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[ARITH] Analyzer Infra, ConstIntBound, Modular #2668

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Mar 2, 2019
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@tqchen tqchen commented Feb 24, 2019

This PR contains one step of #2588

  • Basic super analyzer infra.
  • Implement const int bound analyzer
  • Refactored Modular analysis to use the Analyzer

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tqchen commented Feb 24, 2019

@were @ZihengJiang @sgrechanik-h @masahi @merrymercy please help review this PR

@tqchen tqchen changed the title [ARITH] Constant Int Bound Analyzer [ARITH] Analyzer Infra, ConstIntBound, Modular Feb 25, 2019
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tqchen commented Feb 26, 2019

@junrushao1994 can you help to take a look as well?

/*! \brief Number to represent +inf */
static const constexpr int64_t kPosInf = std::numeric_limits<int64_t>::max();
/*! \brief Number to represent -inf */
static const constexpr int64_t kNegInf = -kPosInf;

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to make sure -kPosInf == kNegInf

@tqchen tqchen requested a review from junrushao March 1, 2019 02:36
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tqchen commented Mar 1, 2019

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I took another look tonight, and felt good that finally we have this infra 👍

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@were might be interested

@tqchen tqchen merged commit 1eb1dac into apache:master Mar 2, 2019
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tqchen commented Mar 2, 2019

Thanks, @junrushao1994 , this is now merged

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