crosstyan
a06b3e8399
Implemented a utility function `calculate_perpendicular_distance` in the `app/utils/__init__.py` module. The function calculates the perpendicular distance between a point and a line using NumPy, with type hints and runtime type checking using jaxtyping and typeguard.
24 lines
587 B
Python
24 lines
587 B
Python
from typing import Any
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import numpy as np
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from jaxtyping import Float, Num, jaxtyped
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from typeguard import typechecked
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from app._typing import NDArray
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@jaxtyped(typechecker=typechecked)
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def calculate_perpendicular_distance(
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point: Num[NDArray, "2"],
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line: Num[NDArray, "2 2"],
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) -> np.floating[Any]:
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"""
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Calculate the perpendicular distance between a point and a line.
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"""
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line_start, line_end = line
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distance = np.linalg.norm(
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np.cross(line_end - line_start, line_start - point)
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) / np.linalg.norm(line_end - line_start)
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return distance
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