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 <[email protected]> Reviewed-by: Stepan Neretin <[email protected]> Reviewed-by: Peter Eisentraut <[email protected]> Reviewed-by: Tom Lane <[email protected]> Reviewed-by: Dmitry Koval <[email protected]> Reviewed-by: Alexandra Wang <[email protected]> Discussion: https://postgr.es/m/caezatcxpgyfjxcirfk9au+fvm0y2ah+2-0wsjx7mo368ysn...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/a3b6dfd410699a19209be3cb3c7a74e5ff1da830 Modified Files -------------- doc/src/sgml/func.sgml | 38 ++++++++++++++++ src/backend/utils/adt/float.c | 88 ++++++++++++++++++++++++++++++++++++ src/include/catalog/catversion.h | 2 +- src/include/catalog/pg_proc.dat | 7 +++ src/test/regress/expected/float8.out | 57 +++++++++++++++++++++++ src/test/regress/sql/float8.sql | 23 ++++++++++ 6 files changed, 214 insertions(+), 1 deletion(-)
