The following bug has been logged on the website:
Bug reference: 14695
Logged by: Jaroslav Sivy
Email address: yarex@pobox.sk
PostgreSQL version: 9.6.3
Operating system: n/a
Description:
url: https://www.postgresql.org/docs/8.1/static/functions-math.html
CEIL and FLOOR example is not accurate.
ceil(dp or numeric)
smallest integer not less than argument: ceil(-42.8) = -42
..... well, minus 42 is not smallest integer from -42.8, because -42 is
bigger number :-).
..... so correct number should be -43 in case of negative numbers
(positive are fine)
Same applies to FLOOR from negative numbers, where its opposite.
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