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Added some more comments to volume.py in maths folder #7080

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Merged
merged 7 commits into from
Oct 16, 2022
Merged

Added some more comments to volume.py in maths folder #7080

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2b8026a
Added some more comments
advik-student-dev Oct 13, 2022
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 13, 2022
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Apply suggestions from code review
cclauss Oct 13, 2022
4f0cc17
The order changes the result
cclauss Oct 13, 2022
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 13, 2022
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Fix long line
cclauss Oct 16, 2022
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 16, 2022
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14 changes: 11 additions & 3 deletions maths/volume.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,14 @@
Find Volumes of Various Shapes.
Uncyclopedia reference: https://en.wikipedia.org/wiki/Volume
"""

# Imports
from __future__ import annotations

from math import pi, pow


# Functions for calculating volumes of shapes
def vol_cube(side_length: int | float) -> float:
"""
Calculate the Volume of a Cube.
Expand All @@ -30,8 +33,7 @@ def vol_cube(side_length: int | float) -> float:

def vol_spherical_cap(height: float, radius: float) -> float:
"""
Calculate the Volume of the spherical cap.
:return 1/3 pi * height ^ 2 * (3 * radius - height)
Calculate the Volume of the spherical cap
>>> vol_spherical_cap(1, 2)
5.235987755982988
>>> vol_spherical_cap(1.6, 2.6)
Expand All @@ -47,6 +49,7 @@ def vol_spherical_cap(height: float, radius: float) -> float:
...
ValueError: vol_spherical_cap() only accepts non-negative values
"""
# Volume - 1/3 pi * height squared * (3 * radius - height)
if height < 0 or radius < 0:
raise ValueError("vol_spherical_cap() only accepts non-negative values")
return 1 / 3 * pi * pow(height, 2) * (3 * radius - height)
Expand Down Expand Up @@ -261,6 +264,7 @@ def vol_sphere(radius: float) -> float:
...
ValueError: vol_sphere() only accepts non-negative values
"""
# Volume - radius cubed * pi * 4/3
if radius < 0:
raise ValueError("vol_sphere() only accepts non-negative values")
return 4 / 3 * pi * pow(radius, 3)
Expand All @@ -284,6 +288,7 @@ def vol_hemisphere(radius: float) -> float:
...
ValueError: vol_hemisphere() only accepts non-negative values
"""
# Volume - 4/3 * pi * radius cubed
if radius < 0:
raise ValueError("vol_hemisphere() only accepts non-negative values")
return 2 / 3 * pi * pow(radius, 3)
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Suggested change
# Volume - 4/3 * pi * radius cubed
if radius < 0:
raise ValueError("vol_hemisphere() only accepts non-negative values")
return 2 / 3 * pi * pow(radius, 3)
if radius < 0:
raise ValueError("vol_hemisphere() only accepts non-negative values")
# Volume is radius cubed * pi * 2/3
return pow(radius, 3) * pi * 2 / 3

Expand All @@ -310,6 +315,7 @@ def vol_circular_cylinder(radius: float, height: float) -> float:
...
ValueError: vol_circular_cylinder() only accepts non-negative values
"""
# Volume - radius squared * height * pi
if height < 0 or radius < 0:
raise ValueError("vol_circular_cylinder() only accepts non-negative values")
return pi * pow(radius, 2) * height
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Suggested change
# Volume - radius squared * height * pi
if height < 0 or radius < 0:
raise ValueError("vol_circular_cylinder() only accepts non-negative values")
return pi * pow(radius, 2) * height
if height < 0 or radius < 0:
raise ValueError("vol_circular_cylinder() only accepts non-negative values")
# Volume is radius squared * height * pi
return pow(radius, 2) * height * pi

Expand Down Expand Up @@ -344,6 +350,7 @@ def vol_hollow_circular_cylinder(
...
ValueError: outer_radius must be greater than inner_radius
"""
# Volume - (outer_radius squared - inner_radius squared) * pi * height
if inner_radius < 0 or outer_radius < 0 or height < 0:
raise ValueError(
"vol_hollow_circular_cylinder() only accepts non-negative values"
Expand All @@ -356,7 +363,7 @@ def vol_hollow_circular_cylinder(
def vol_conical_frustum(height: float, radius_1: float, radius_2: float) -> float:
"""Calculate the Volume of a Conical Frustum.
Uncyclopedia reference: https://en.wikipedia.org/wiki/Frustum
:return 1/3 * pi * height * (radius_1^2 + radius_top^2 + radius_1 * radius_2)

>>> vol_conical_frustum(45, 7, 28)
48490.482608158454
>>> vol_conical_frustum(1, 1, 2)
Expand All @@ -378,6 +385,7 @@ def vol_conical_frustum(height: float, radius_1: float, radius_2: float) -> floa
...
ValueError: vol_conical_frustum() only accepts non-negative values
"""
# Volume - 1/3 * pi * height * (radius_1 squared + radius_2 squared + radius_1 * radius_2)
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Tests are failing on:

  • maths/volume.py:388:89: E501 line too long (94 > 88 characters)

Also, please move this line down to be just above the calculation. Make sure that the order of the values in the comment and in the calculation are the same.

if radius_1 < 0 or radius_2 < 0 or height < 0:
raise ValueError("vol_conical_frustum() only accepts non-negative values")
return (
Expand Down