Horton

Add support for gamma() and lgamma() functions.

Dean Rasheed <dean.a.rasheed@gmail.com>

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Commit: a3b6dfd410699a19209be3cb3c7a74e5ff1da830
Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Date: 2025-03-26T09:35:53Z
Releases: 18.0 
Add support for gamma() and lgamma() functions.

These are useful general-purpose math functions which are included in
POSIX and C99, and are commonly included in other math libraries, so
expose them as SQL-callable functions.

Author: Dean Rasheed <dean.a.rasheed@gmail.com>
Reviewed-by: Stepan Neretin <sncfmgg@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Dmitry Koval <d.koval@postgrespro.ru>
Reviewed-by: Alexandra Wang <alexandra.wang.oss@gmail.com>
Discussion: https://postgr.es/m/CAEZATCXpGyfjXCirFk9au+FvM0y2Ah+2-0WSJx7MO368ysNUPA@mail.gmail.com

Files

PathChange+/−
doc/src/sgml/func.sgml modified +38 −0
src/backend/utils/adt/float.c modified +88 −0
src/include/catalog/catversion.h modified +1 −1
src/include/catalog/pg_proc.dat modified +7 −0
src/test/regress/expected/float8.out modified +57 −0
src/test/regress/sql/float8.sql modified +23 −0

Documentation touched

Discussion