use limited float on some parameters Change-Id: Ic1ec823344a36a1cbcf551fadc8f87073e7b3dac Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/22889 Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de> Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>