[TEST]UPSTREAM: Pick some source changes from 48080d0a97

* Sync new folder structure
2026-04-23 20:55:40 +08:00
parent c185f99ee3
commit 17109fde9b
211 changed files with 189504 additions and 189280 deletions
--- a/BBH_orbit_parameter.py
+++ b/BBH_orbit_parameter.py
@@ -16,7 +16,7 @@ import math
 import os
 import sympy
 import numpy      
-import derivative    ## numerical differentiation
+import derivative_xiaoqu as derivative    ## numerical differentiation


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