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Update settings on change of backend #66

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merged 2 commits into from
Aug 21, 2024
Merged

Update settings on change of backend #66

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b8117b4
update settings on change of backend
rochisha0 Aug 19, 2024
1cd02cb
create a single function
rochisha0 Aug 21, 2024
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19 changes: 16 additions & 3 deletions src/qutip_jax/settings.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,20 @@
import jax.numpy as jnp
import numpy as np
from qutip import settings
from qutip import SESolver, MCSolver, MESolver

__all__ = ["use_jax_backend"]
__all__ = ["set_as_default"]

def use_jax_backend():
settings.core['numpy_backend'] = jnp
def set_as_default(*, revert=False):
if revert:
settings.core['numpy_backend'] = np
settings.core['default_dtype'] = None
SESolver.solver_options['method'] = 'adams'
MESolver.solver_options['method'] = 'adams'
MCSolver.solver_options['method'] = 'adams'
else:
settings.core['numpy_backend'] = jnp
settings.core['default_dtype'] = 'jax'
SESolver.solver_options['method'] = 'diffrax'
MESolver.solver_options['method'] = 'diffrax'
MCSolver.solver_options['method'] = 'diffrax'
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