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Merged
patrick-kidger merged 1 commit into from
Aug 4, 2025
Merged

Inherit adaptive #674

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5 changes: 4 additions & 1 deletion diffrax/_solver/align.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
UnderdampedLangevinTuple,
UnderdampedLangevinX,
)
from .base import AbstractAdaptiveSolver
from .foster_langevin_srk import (
AbstractCoeffs,
AbstractFosterLangevinSRK,
Expand Down Expand Up @@ -44,7 +45,9 @@ def __init__(self, beta, a1, b1, aa, chh):
_ErrorEstimate = UnderdampedLangevinTuple


class ALIGN(AbstractFosterLangevinSRK[_ALIGNCoeffs, _ErrorEstimate]):
class ALIGN(
AbstractFosterLangevinSRK[_ALIGNCoeffs, _ErrorEstimate], AbstractAdaptiveSolver
):
r"""The Adaptive Langevin via Interpolated Gradients and Noise method
designed by James Foster. This is a second order solver for the
Underdamped Langevin Diffusion, and accepts terms of the form
Expand Down
4 changes: 2 additions & 2 deletions diffrax/_solver/spark.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
import equinox.internal as eqxi
import numpy as np

from .base import AbstractStratonovichSolver
from .base import AbstractAdaptiveSolver, AbstractStratonovichSolver
from .srk import AbstractSRK, GeneralCoeffs, StochasticButcherTableau


Expand Down Expand Up @@ -35,7 +35,7 @@
)


class SPaRK(AbstractSRK, AbstractStratonovichSolver):
class SPaRK(AbstractSRK, AbstractStratonovichSolver, AbstractAdaptiveSolver):
r"""The Splitting Path Runge-Kutta method.
It uses three evaluations of the drift and diffusion per step, and has the following
Expand Down
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