#const reff 2.5478
#var amp 2.0
#var alpha 0.002
#varb s02 0.9 0.0 1.2
#varb tight 1.5 0.0 1.2
#fix e0 1.5
#expr delr alpha*reff
#expr sig 0.003 + amp*1e-4
#expr chained delr*2 + sqrt(s02)
#expr combo e0 + max(amp, s02) - min(alpha, 0.001)
#expect amp 2.0
#expect alpha 0.002
#expect s02 0.9
#expect tight 1.2
#expect e0 1.5
#expect delr 0.0050956000000000005
#expect sig 0.0032
#expect chained 0.9588744980505137
#expect combo 3.499