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Tom Lane fd5200c3dc Improve cross-platform consistency of Inf/NaN handling in trig functions. ... Ensure that the trig functions return NaN for NaN input regardless of what the underlying C library functions might do. Also ensure that an error is thrown for Inf (or otherwise out-of-range) input, except for atan/atan2 which should accept it. All these behaviors should now conform to the POSIX spec; previously, all our popular platforms deviated from that in one case or another. The main remaining platform dependency here is whether the C library might choose to throw a domain error for sin/cos/tan inputs that are large but less than infinity. (Doing so is not unreasonable, since once a single unit-in-the-last-place exceeds PI, there can be no significance at all in the result; however there doesn't seem to be any suggestion in POSIX that such an error is allowed.) We will report such errors if they are reported via "errno", but not if they are reported via "fetestexcept" which is the other mechanism sanctioned by POSIX. Some preliminary experiments with fetestexcept indicated that it might also report errors we could do without, such as complaining about underflow at an unreasonably large threshold. So let's skip that complexity for now. Dean Rasheed, reviewed by Michael Paquier		10 years ago
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access	Suppress compiler warning.	10 years ago
bootstrap	Update copyright for 2016	10 years ago
catalog	Support multi-stage aggregation.	10 years ago
commands	Support multi-stage aggregation.	10 years ago
executor	Support parallel joins, and make related improvements.	10 years ago
foreign	Update copyright for 2016	10 years ago
lib	Add two HyperLogLog functions	10 years ago
libpq	Properly close token in sspi authentication	10 years ago
main	Update copyright for 2016	10 years ago
nodes	Add defenses against putting expanded objects into Const nodes.	10 years ago
optimizer	Add defenses against putting expanded objects into Const nodes.	10 years ago
parser	Remove new coupling between NAMEDATALEN and MAX_LEVENSHTEIN_STRLEN.	10 years ago
po	Translation updates	11 years ago
port	Windows: Make pg_ctl reliably detect service status	10 years ago
postmaster	Restructure index access method API to hide most of it at the C level.	10 years ago
regex	Update copyright for 2016	10 years ago
replication	Refactor to create generic WAL page read callback	10 years ago
rewrite	Update copyright for 2016	10 years ago
snowball	Update copyright for 2016	10 years ago
storage	Update copyright for 2016	10 years ago
tcop	Update copyright for 2016	10 years ago
tsearch	Update copyright for 2016	10 years ago
utils	Improve cross-platform consistency of Inf/NaN handling in trig functions.	10 years ago
.gitignore	Add .gitignore entries for AIX-specific intermediate build artifacts.	11 years ago
Makefile	Update copyright for 2016	10 years ago
common.mk	…
nls.mk	Remove trailing slashes from directories in find command	10 years ago