Merge branch 'fix_division_warnings' into 'NIFTy_7'

silence unnecessary warnings

See merge request !547
12 jobs for NIFTy_7 in 25 minutes and 53 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #1103755
build_docker_from_scratch

00:12:59

 
  Test
passed #1103757
test_mpi

00:00:19

passed #1103756
test_serial

00:05:04

86.0%
 
  Demo Runs
passed #1103764
run_bernoulli

00:00:30

passed #1103765
run_curve_fitting

00:00:29

passed #1103760
run_getting_started_1

00:00:34

passed #1103761
run_getting_started_2

00:01:00

passed #1103762
run_getting_started_3

00:02:34

passed #1103763
run_getting_started_mf

00:07:49

passed #1103758
run_ipynb0

00:01:35

passed #1103759
run_ipynb1

00:00:43

passed #1103766
run_visual_mgvi

00:01:20