[DOCS-4657] $mul example seems to advocate using floating point for currency Created: 13/Jan/15 Updated: 30/Oct/23 Resolved: 16/Mar/18 |
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| Status: | Closed |
| Project: | Documentation |
| Component/s: | manual |
| Affects Version/s: | None |
| Fix Version/s: | Server_Docs_20231030 |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Graham Lowe (Inactive) | Assignee: | Kay Kim (Inactive) |
| Resolution: | Done | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Participants: | |
| Days since reply: | 5 years, 47 weeks, 5 days ago |
| Description |
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See http://docs.mongodb.org/manual/reference/operator/update/mul/#multiply-the-value-of-a-field The example uses a document with the structure:
While the result of the $mul operator results in an obviously incorrect price value, we don't explain why it might not be a good idea to use floating point as a representation of price. Perhaps the message is too subtle? See http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency |
| Comments |
| Comment by Kay Kim (Inactive) [ 16/Mar/18 ] |
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https://github.com/mongodb/docs/commit/9e3d21ca9a42afad8855fbe4e6e180b186b5c806 |