Merge branch 'feature/spectrum_func' into develop

4 jobs for 3.9 in 18 minutes and 59 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Build
passed build-gcc #1103488
docker

00:09:49

passed build-intel #1103489
docker

00:07:35

 
  Test
passed test-gcc #1103490
docker

00:09:08

passed test-intel #1103491
docker

00:10:48