added constructor to WelfordAggregate and changed signature of Estimator constructor

6 jobs for 23-define-estimator-interface in 11 minutes and 52 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #430595
shell
build-mlmc

00:09:48

 
  Test
passed #430596
docker
ctest-mlmc

00:02:02

failed #430597
docker
mpitest-mlmc

00:00:53

 
  Experiments
skipped #430598
docker
elliptic-experiments-mlmc
skipped #430599
docker
elliptic-experiments-mlmc2
 
  .Post
passed #430600
shell
clean-mlmc

00:00:01

 
Name Stage Failure
failed
mpitest-mlmc Test
[----------] 2 tests from TestWelfordAggregate1e6Samples (14 ms total)

[----------] Global test environment tear-down
[==========] 7 tests from 3 test suites ran. (30 ms total)
[ PASSED ] 7 tests.
end program after 0.14 seconds on 4 procs at Thu May 13 08:31:50 2021
6/6 Test 6: TestWelfordAggregateMPI ...................... Passed 0.51 sec
Cleaning up file based variables
ERROR: Job failed: exit code 1