ARROW-9402: [C++] Rework portable wrappers for checked integer arithmetic

pitrou · pitrou · commit 6625414d0aa2 · 2020-08-10T15:33:28.000+02:00
Vendor relevant code from the portable-snippets library (~ public domain): https://github.com/nemequ/portable-snippets/tree/master/safe-math Also fix some bugs in checked arithmetic (null values had their value slots checked). Add compute scaffolding for stateful binary scalar functions. Closes apache#7784 from pitrou/ARROW-9402-overflow-arith Authored-by: Antoine Pitrou <antoine@python.org> Signed-off-by: Antoine Pitrou <antoine@python.org>
diff --git a/LICENSE.txt b/LICENSE.txt
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