[all-commits] [llvm/llvm-project] 1e1cf2: [flang] Fix IEEE_NEAREST_AFTER folding edge cases ...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1e1cf258c718bdce8c50c2b1923f1a522163fbc9
      https://github.com/llvm/llvm-project/commit/1e1cf258c718bdce8c50c2b1923f1a522163fbc9
  Author: Peter Klausler <35819229+klausler at users.noreply.github.com>
  Date:   2024-08-20 (Tue, 20 Aug 2024)

  Changed paths:
    M flang/include/flang/Evaluate/real.h
    M flang/lib/Evaluate/fold-real.cpp
    M flang/test/Evaluate/fold-nearest.f90

  Log Message:
  -----------
  [flang] Fix IEEE_NEAREST_AFTER folding edge cases (#104846)

Conversions of infinities from other kinds to real(10) were incorrect,
and comparisons of real(2) vs real(3) are dicey as conversions in one
direction can overflow and conversions in the other can lose precision.
Use real(16) as the common type for comparisons in IEEE_NEAREST_AFTER.



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