Cheery picked from merge request !1040 (merged) on run2-patches
branch
c1d9503e Add Asymmetric Normal signal form
c5ce7094 Add skewed normal signal form
aba1e730 Avoid some string comparisons and code duplication
Cheery picked from merge request !1040 (merged) on run2-patches
branch
c1d9503e Add Asymmetric Normal signal form
c5ce7094 Add skewed normal signal form
aba1e730 Avoid some string comparisons and code duplication