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-rw-r--r--nonlin_ode.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/nonlin_ode.py b/nonlin_ode.py
index 1a145b9..b6d73d8 100644
--- a/nonlin_ode.py
+++ b/nonlin_ode.py
@@ -81,6 +81,8 @@ def nonlin_solve_1d(initial_guess, Fs, args, maxiter = 100, atol = 1e-14, grid =
solution_new = _nonlin_solve_1d_iter(solution_old, grid, basis_vals, Fs, args)
delta = np.max(np.abs(solution_new.coeffs - solution_old.coeffs))
+ if np.isnan(delta):
+ raise RuntimeError('nan')
print delta
if delta < atol:
return solution_new