Clarify the choice of rscale in numeric_sqrt(). Improve the comment explaining the choice of rscale in numeric_sqrt(), and ensure that the code works consistently when other values of NBASE/DEC_DIGITS are used.
Note that, in practice, we always expect DEC_DIGITS == 4, and this does not change the computation in that case. Joel Jacobson and Dean Rasheed Discussion: https://postgr.es/m/06712c29-98e9-43b3-98da-f234d81c6e49%40app.fastmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/0736fc1ceb0659a9f73699910ac56603336daeee Modified Files -------------- src/backend/utils/adt/numeric.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)