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34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
"""
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Types shared across multiple submodules
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"""
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from typing import Sequence, Callable, MutableSequence
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import numpy
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from numpy.typing import NDArray
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# Field types
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fdfield_t = NDArray[numpy.float_]
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"""Vector field with shape (3, X, Y, Z) (e.g. `[E_x, E_y, E_z]`)"""
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vfdfield_t = NDArray[numpy.float_]
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"""Linearized vector field (single vector of length 3*X*Y*Z)"""
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dx_lists_t = Sequence[Sequence[NDArray[numpy.float_]]]
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"""
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'dxes' datastructure which contains grid cell width information in the following format:
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[[[dx_e[0], dx_e[1], ...], [dy_e[0], ...], [dz_e[0], ...]],
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[[dx_h[0], dx_h[1], ...], [dy_h[0], ...], [dz_h[0], ...]]]
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where `dx_e[0]` is the x-width of the `x=0` cells, as used when calculating dE/dx,
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and `dy_h[0]` is the y-width of the `y=0` cells, as used when calculating dH/dy, etc.
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"""
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dx_lists_mut = MutableSequence[MutableSequence[NDArray[numpy.float_]]]
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"""Mutable version of `dx_lists_t`"""
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fdfield_updater_t = Callable[..., fdfield_t]
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"""Convenience type for functions which take and return an fdfield_t"""
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