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ARROW-10277: [C++] Support comparing scalars approximately - #8438

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ARROW-10277: [C++] Support comparing scalars approximately#8438
liyafan82 wants to merge 1 commit into
apache:masterfrom
liyafan82:fly_1012_scl

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@liyafan82

@liyafan82liyafan82 commented Oct 12, 2020

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As discussed in #7748 (comment), we need to compare scalars approximately in some scenarios.

Also:

  • Fix comparison of same-pointer NaN values
  • Fix scalar comparison result when both inputs are null (ARROW-8956)
  • Fix scalar kernel result type when result is null scalar

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@liyafan82
liyafan82force-pushed the fly_1012_scl branch 2 times, most recently from cd08795 to 9631e9fCompareOctober 12, 2020 09:56
@github-actionsgithub-actionsBot added the needs-rebase A PR that needs to be rebased by the author label Nov 25, 2020
@pitrou

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Sorry for the delay @liyafan82 . I will take a look at this now.

@github-actionsgithub-actionsBot removed the needs-rebase A PR that needs to be rebased by the author label Dec 7, 2020
@pitrou

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I more or less rewrote this PR entirely as I identified other issues that were entangled with this one, and added a bunch of tests.

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+1. Will merge now that this is green.

@pitroupitrou closed this in 52d615dDec 7, 2020
@liyafan82

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@pitrou Thanks for your effort.

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