fftw3_3_3_8-gnu-mpich-hpc from Education project
Select Your Operating System
Add repository and install manually
For SLE 15 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Education/SLE_15/Education.repo zypper refresh zypper install fftw3_3_3_8-gnu-mpich-hpc