extra.check_linear_operator: add option to test on positive input values only

12 jobs for opcheck_pos_testval in 11 minutes and 52 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build Docker
passed #1298152
build_docker_from_cache

00:00:15

 
  Test
passed #1298154
test_mpi

00:00:16

passed #1298153
test_serial

00:06:09

86.0%
 
  Demo Runs
passed #1298161
run_bernoulli

00:00:28

passed #1298162
run_curve_fitting

00:00:26

passed #1298157
run_getting_started_1

00:00:32

passed #1298158
run_getting_started_2

00:00:58

passed #1298159
run_getting_started_3

00:02:11

passed #1298160
run_getting_started_mf

00:05:27

passed #1298155
run_ipynb0

00:01:32

passed #1298156
run_ipynb1

00:00:42

passed #1298163
run_visual_mgvi

00:01:21