ARROW-9022: [C++] Add/Sub/Mul arithmetic kernels with overflow check#7420
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kszucs wants to merge 5 commits intoapache:masterfrom
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ARROW-9022: [C++] Add/Sub/Mul arithmetic kernels with overflow check#7420kszucs wants to merge 5 commits intoapache:masterfrom
kszucs wants to merge 5 commits intoapache:masterfrom
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wesm
reviewed
Jun 12, 2020
kszucs
commented
Jun 15, 2020
| static enable_if_integer<T> Call(KernelContext* ctx, T left, T right) { | ||
| T result; | ||
| if (__builtin_add_overflow(left, right, &result)) { | ||
| ctx->SetStatus(Status::Invalid("overflow")); |
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Which error should we raise? ExecutionError?
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Shall we have benchmarks for the new operators? |
wesm
approved these changes
Jun 18, 2020
| static enable_if_integer<T> Call(KernelContext* ctx, T left, T right) { | ||
| T result; | ||
| if (__builtin_add_overflow(left, right, &result)) { | ||
| ctx->SetStatus(Status::Invalid("overflow")); |
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@kszucs, yes, let's have benchmarks for the overflow operators, but can be done in a follow up PR |
kou
reviewed
Jun 19, 2020
| ARROW_EXPORT | ||
| Result<Datum> Add(const Datum& left, const Datum& right, ExecContext* ctx = NULLPTR); | ||
| Result<Datum> Add(const Datum& left, const Datum& right, | ||
| ArithmeticOptions options = ArithmeticOptions(), |
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We need to document this.
This breaks CI: https://github.com/apache/arrow/runs/786249626
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Quick draft for checked arithmetics.
TODOs:
*Checkedfunctions)