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3 changes: 3 additions & 0 deletions src/sage/schemes/elliptic_curves/mod_poly.py
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
_cache_bound = 100
_cache = dict()


def classical_modular_polynomial(l, j=None):
r"""
Return the classical modular polynomial `\Phi_\ell`, either as a
Expand Down Expand Up @@ -143,6 +144,7 @@ def classical_modular_polynomial(l, j=None):
# and simply evaluating it.
return classical_modular_polynomial(l)(j, Y)


def _set_cache_bound(bnd):
r"""
Internal helper function to allow setting the caching cutoff for
Expand All @@ -164,4 +166,5 @@ def _set_cache_bound(bnd):
global _cache_bound
_cache_bound = bnd


classical_modular_polynomial.set_cache_bound = _set_cache_bound