From b4b51224336f193d0e46f563508a95365d534caa Mon Sep 17 00:00:00 2001 From: "Mr. Python" <2789762371@qq.com> Date: Sun, 27 Oct 2024 14:51:53 +0800 Subject: [PATCH] Refactor vector.py to improve random vector generation --- cyaron/vector.py | 78 +++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 68 insertions(+), 10 deletions(-) diff --git a/cyaron/vector.py b/cyaron/vector.py index 5814fc9..872ee31 100644 --- a/cyaron/vector.py +++ b/cyaron/vector.py @@ -4,7 +4,7 @@ import random from enum import IntEnum -from typing import Sequence, Union, Tuple, List, Set +from typing import Optional, Sequence, TypeVar, Union, Tuple, List, Set from typing import cast as typecast from .utils import list_like @@ -16,7 +16,8 @@ class VectorRandomMode(IntEnum): float = 2 -_Number = Union[int, float] +_Number = TypeVar('_Number', int, float) +_Range = List[Union[_Number, Tuple[_Number, _Number]]] class Vector: @@ -28,17 +29,16 @@ class Vector: @staticmethod def random( num: int = 5, - position_range: Union[List[Union[_Number, Tuple[_Number, _Number]]], - None] = None, + position_range: Optional[_Range[Union[int, float]]] = None, mode: VectorRandomMode = VectorRandomMode.unique, ) -> Union[IntVector, FloatVector]: """ Generate `num` random vectors in limited space Args: - num: the number of vectors + num: the length of vectors position_range: a list of limits for each dimension - single number x represents range (0, x) - list [x, y] or tuple (x, y) represents range (x, y) + single number x represents range [0, x] + list [x, y] or tuple (x, y) represents range [x, y] mode: the mode vectors generate, see Enum Class VectorRandomMode """ if position_range is None: @@ -49,8 +49,8 @@ def random( dimension = len(position_range) - offset: Sequence[_Number] = [] - length: Sequence[_Number] = [] + offset: Sequence[Union[int, float]] = [] + length: Sequence[Union[int, float]] = [] vector_space = 1 for i in range(0, dimension): @@ -128,9 +128,67 @@ def get_vector(dimension: int, position_range: Sequence[int], Returns: list: A list representing the generated vector. """ - tmp: List[int] = [] for i in range(0, dimension): tmp.append(hashcode % (position_range[i] + 1)) hashcode //= (position_range[i] + 1) return tmp + + @staticmethod + def random_unique_vector(num: int = 5, + position_range: Union[_Range[int], None] = None): + """ + Generate `num` unique vectors with specified parameters. It is a wrapper for Vector.random. + + Args: + num: the length of vectors + position_range: a list of limits for each dimension + single number x represents range [0, x] + list [x, y] or tuple (x, y) represents range [x, y] + """ + return typecast( + Vector.IntVector, + Vector.random( + num, + typecast(Optional[_Range[Union[int, float]]], position_range), + VectorRandomMode.unique)) + + @staticmethod + def random_repeatable_vector( + num: int = 5, + position_range: Optional[List[Union[int, Tuple[int, + int]]]] = None): + """ + Generate `num` repeatable vectors with specified parameters. + It is a wrapper for Vector.random. + + Args: + num: the length of vectors + position_range: a list of limits for each dimension + single number x represents range [0, x] + list [x, y] or tuple (x, y) represents range [x, y] + """ + return typecast( + Vector.IntVector, + Vector.random( + num, + typecast(Optional[_Range[Union[int, float]]], position_range), + VectorRandomMode.repeatable)) + + @staticmethod + def random_float_vector( + num: int = 5, + position_range: Optional[_Range[Union[int, float]]] = None): + """ + Generate `num` float vectors with specified parameters. + It is a wrapper for Vector.random. + + Args: + num: the length of vectors + position_range: a list of limits for each dimension + single number x represents range [0, x] + list [x, y] or tuple (x, y) represents range [x, y] + """ + return typecast( + Vector.FloatVector, + Vector.random(num, (position_range), VectorRandomMode.float))