[4.2] SR-7650: Incorrect result adding and subtracting Decimals #1588
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- For integerAddition, propogate the carry if set. - For integerSubtraction, compute the borrow and set .underflow on error. - When initialising a Decimal() from an Int or UInt dont convert via a double.
- integerAdd(), integerSubtract(): Use more meaningful variable names.
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@swift-ci please test |
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@swift-ci please test and merge |
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For integerAddition, propogate the carry if set.
For integerSubtraction, compute the borrow and set .underflow
on error.
When initialising a Decimal() from an Int or UInt dont convert via
a double.
Backport to 4.2 of #1550