chore: import upstream snapshot with attribution

2026-07-13 12:32:53 +08:00
commit 2a16f2f53b
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+Differentiation
+---------------
+
+Numerical derivatives (``diff``, ``diffs``)
+...........................................
+
+.. autofunction:: mpmath.diff
+.. autofunction:: mpmath.diffs
+
+Composition of derivatives (``diffs_prod``, ``diffs_exp``)
+..........................................................
+
+.. autofunction:: mpmath.diffs_prod
+.. autofunction:: mpmath.diffs_exp
+
+Fractional derivatives / differintegration (``differint``)
+............................................................
+
+.. autofunction:: mpmath.differint