js8544 commented on code in PR #36289:
URL: https://github.com/apache/arrow/pull/36289#discussion_r1276116743
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cpp/src/arrow/compute/kernels/scalar_round_arithmetic_test.cc:
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@@ -1014,21 +1031,70 @@ TYPED_TEST(TestUnaryRoundSigned, Round) {
this->SetRoundNdigits(0);
for (const auto& round_mode : kRoundModes) {
this->SetRoundMode(round_mode);
- this->AssertUnaryOp(Round, values, ArrayFromJSON(float64(), values));
+ this->AssertUnaryOp(Round, values, ArrayFromJSON(this->type_singleton(),
values));
}
// Test different round N-digits for nearest rounding mode
std::vector<std::pair<int64_t, std::string>> ndigits_and_expected{{
- {-2, "[0.0, 0.0, -0.0, -100, 100]"},
- {-1, "[0.0, 0.0, -10, -50, 120]"},
+ {-2, "[0, 0, -0, -100, 100]"},
+ {-1, "[0, 0, -10, -50, 120]"},
{0, values},
{1, values},
{2, values},
}};
this->SetRoundMode(RoundMode::HALF_TOWARDS_INFINITY);
for (const auto& pair : ndigits_and_expected) {
this->SetRoundNdigits(pair.first);
- this->AssertUnaryOp(Round, values, ArrayFromJSON(float64(), pair.second));
+ this->AssertUnaryOp(Round, values,
+ ArrayFromJSON(this->type_singleton(), pair.second));
+ }
+
+ // Test different rounding mode
+ // skip int8 because of its small range
+ if constexpr (!std::is_same_v<TypeParam, Int8Type>) {
+ std::string values("[0, 1, -13, -50, 115, -176, 200, 250]");
Review Comment:
I kept -50 and added -150, so that no two options result in identical
results. (Changing -50 to -150 would make HALF_TO_ODD and HALF_UP the same).
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