Add trigonometric functions that work in degrees.
The implementations go to some lengths to deliver exact results for values
where an exact result can be expected, such as sind(30) = 0.5 exactly.
Dean Rasheed, reviewed by Michael Paquier
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/e1bd684a34c11139a1bf4e5200c3bbe59a0fbfad
Modified Files
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doc/src/sgml/func.sgml | 72 +++-
src/backend/utils/adt/float.c | 437 +++++++++++++++++++-
src/include/catalog/catversion.h | 2 +-
src/include/catalog/pg_proc.h | 18 +
src/include/utils/builtins.h | 8 +
.../expected/float8-exp-three-digits-win32.out | 77 ++++
src/test/regress/expected/float8-small-is-zero.out | 77 ++++
.../regress/expected/float8-small-is-zero_1.out | 77 ++++
src/test/regress/expected/float8.out | 77 ++++
src/test/regress/sql/float8.sql | 24 ++
10 files changed, 860 insertions(+), 9 deletions(-)
