moving logL computation for --plot_traj where it should be

Library/BNS_HMC_Tools.py

@@ -191,7 +191,6 @@ def NumericalGradientLeapfrog_ThreeDetectors_Trajectory(q_pos_0, p_mom_0, dlogL_
 		dlogL_pos = sampler.likelihood_gradient.calculate_dlogL_np()
 		q_pos_dict = sampler.likelihood.parameters
 		dlogTrajPi = sampler.traj_prior_gradients.calculate_dlogPi_np(q_pos_dict)
-		logL = sampler.likelihood_gradient.log_likelihood_at_point
 		p_mom += 0.5 * epsilon * (dlogL_pos + dlogTrajPi) * sampler.scales
 
 
@@ -199,6 +198,7 @@ def NumericalGradientLeapfrog_ThreeDetectors_Trajectory(q_pos_0, p_mom_0, dlogL_
 		dlogL_fit_traj.append(dlogL_pos.tolist())
 
 		if RUN_CONST.plot_traj:
+			logL = sampler.likelihood_gradient.log_likelihood_at_point
 			logTrajPi = sampler.traj_priors.ln_prob(q_pos_dict)
 			H = computeHamiltonian(p_mom, logL, logTrajPi)
 			H_p_logL_logP_traj.append([H, 0.5 * (p_mom**2).sum(), logL, logTrajPi])