wesm commented on a change in pull request #7442:
URL: https://github.com/apache/arrow/pull/7442#discussion_r441658427
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File path: cpp/src/arrow/testing/random.cc
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@@ -84,7 +84,7 @@ std::shared_ptr<Array> RandomArrayGenerator::Boolean(int64_t
size, double probab
BufferVector buffers{2};
// Need 2 distinct generators such that probabilities are not shared.
- GenOpt value_gen(seed(), 0, 1, probability);
+ GenOpt value_gen(seed(), 0, 1, 1 - probability);
Review comment:
Done, and renamed the parameters to be clear that it's the "true"
probaility
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