algorithm/Python
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Python.git synced 2025-07-06 18:49:26 +08:00
Code Issues Packages Projects Releases Wiki Activity

from __future__ import annotations (#2464)

Browse Source 
* from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! from __future__ import annotations

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
This commit is contained in:
Christian Clauss
2020-09-23 13:30:13 +02:00
committed by GitHub
parent 6e6a49d19f
commit 9200a2e543
72 changed files with 275 additions and 250 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
linear_algebra/src/transformations_2d.py
View File

@ -11,11 +11,12 @@ projection(45) = [[0.27596319193541496, 0.446998331800279],
reflection(45) = [[0.05064397763545947, 0.893996663600558],
[0.893996663600558, 0.7018070490682369]]
"""
from __future__ import annotations
from math import cos, sin
from typing import List
def scaling(scaling_factor: float) -> List[List[float]]:
def scaling(scaling_factor: float) -> list[list[float]]:
"""
>>> scaling(5)
[[5.0, 0.0], [0.0, 5.0]]
@ -24,7 +25,7 @@ def scaling(scaling_factor: float) -> List[List[float]]:
return [[scaling_factor * int(x == y) for x in range(2)] for y in range(2)]
def rotation(angle: float) -> List[List[float]]:
def rotation(angle: float) -> list[list[float]]:
"""
>>> rotation(45) # doctest: +NORMALIZE_WHITESPACE
[[0.5253219888177297, -0.8509035245341184],
@ -34,7 +35,7 @@ def rotation(angle: float) -> List[List[float]]:
return [[c, -s], [s, c]]
def projection(angle: float) -> List[List[float]]:
def projection(angle: float) -> list[list[float]]:
"""
>>> projection(45) # doctest: +NORMALIZE_WHITESPACE
[[0.27596319193541496, 0.446998331800279],
@ -45,7 +46,7 @@ def projection(angle: float) -> List[List[float]]:
return [[c * c, cs], [cs, s * s]]
def reflection(angle: float) -> List[List[float]]:
def reflection(angle: float) -> list[list[float]]:
"""
>>> reflection(45) # doctest: +NORMALIZE_WHITESPACE
[[0.05064397763545947, 0.893996663600558],