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Make scattering cosines nan if out of range [-1,+1] #52

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Make scattering cosines nan if out of range [-1,+1] #52

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5 changes: 4 additions & 1 deletion src/NeSST/spectral_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@ def init_station_elastic_scatter(self):
muc = col.muc(self.A,Ei,Eo,1.0,-1.0,0.0)
sigma = self.sigma(self.Ein)
self.elastic_mu0 = col.mu_out(self.A,Ei,Eo,0.0)
self.elastic_mu0[np.abs(self.elastic_mu0) > 1.0] = np.nan
if(self.elastic_legendre):
Tlcoeff,Nl = xs.interp_Tlcoeff(self.legendre_dx_spline,self.Ein)
Tlcoeff_interp = 0.5*(2*np.arange(0,Nl)+1)*Tlcoeff
Expand All @@ -128,9 +129,11 @@ def init_station_inelastic_scatter(self):
kin_a = np.sqrt(kin_a2_safe)
kin_b = 1.0/(self.A+1)
muc = ((Eo/Ei)-kin_a**2-kin_b**2)/(2*kin_a*kin_b)
muc[kin_a2 < 0.0] = np.nan
sigma = self.isigma[i_inelastic](self.Ein)
inelastic_mu0 = (np.sqrt(Eo/Ei)-(kin_a**2-kin_b**2)*np.sqrt(Ei/Eo))/(2*kin_b)
inelastic_mu0[kin_a2 < 0.0] = 0.0
inelastic_mu0[np.abs(inelastic_mu0) > 1.0] = np.nan
inelastic_mu0[kin_a2 < 0.0] = np.nan
self.inelastic_mu0.append(inelastic_mu0)

if(self.inelastic_legendre[i_inelastic]):
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