From 3b3253b2d87e4673fd87c7ec825644a3d02d1fd9 Mon Sep 17 00:00:00 2001
From: kvadrik <41710943+kvadrik@users.noreply.github.com>
Date: Wed, 18 Feb 2026 23:19:08 +0200
Subject: [PATCH 1/2] Update volume.py

---
 maths/volume.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/maths/volume.py b/maths/volume.py
index 1715c9c300d5..a31c9d53e381 100644
--- a/maths/volume.py
+++ b/maths/volume.py
@@ -509,6 +509,30 @@ def vol_torus(torus_radius: float, tube_radius: float) -> float:
         raise ValueError("vol_torus() only accepts non-negative values")
     return 2 * pow(pi, 2) * torus_radius * pow(tube_radius, 2)
 
+def vol_octahedron(oct_side: float) -> float:
+    """
+    | Calculate the Volume of an Octahedron.
+    | Wikipedia reference: https://en.wikipedia.org/wiki/Regular_octahedron
+
+    >>> from math import isclose
+    >>> isclose(vol_octahedron(2.5), 7.36569563735987)
+    True
+    >>> isclose(vol_octahedron(10), 471.40452079103168)
+    True
+    >>> isclose(vol_octahedron(5), 58.92556509887896)
+    True
+    >>> isclose(vol_octahedron(3.5), 20.21146882891548)
+    True
+    >>> vol_octahedron(0)
+    0.0
+    >>> vol_octahedron(-1)
+    Traceback (most recent call last):
+        ...
+    ValueError: vol_octahedron() only accepts non-negative values
+    """
+    if oct_side < 0:
+        raise ValueError("vol_octahedron() only accepts non-negative values")
+    return oct_side**3 * 2**0.5 / 3
 
 def vol_icosahedron(tri_side: float) -> float:
     """
@@ -560,6 +584,7 @@ def main():
     print(
         f"Hollow Circular Cylinder: {vol_hollow_circular_cylinder(1, 2, 3) = }"
     )  # ~= 28.3
+    print(f"Octahedron: {vol_octahedron(2.5) = }") # ~=7.37
     print(f"Icosahedron: {vol_icosahedron(2.5) = }")  # ~=34.09
 
 

From 4134ea75bc005c9b99c8c7ca5c162fa804d8c34f Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 18 Feb 2026 21:21:47 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 maths/volume.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/maths/volume.py b/maths/volume.py
index a31c9d53e381..f48d388b423e 100644
--- a/maths/volume.py
+++ b/maths/volume.py
@@ -509,6 +509,7 @@ def vol_torus(torus_radius: float, tube_radius: float) -> float:
         raise ValueError("vol_torus() only accepts non-negative values")
     return 2 * pow(pi, 2) * torus_radius * pow(tube_radius, 2)
 
+
 def vol_octahedron(oct_side: float) -> float:
     """
     | Calculate the Volume of an Octahedron.
@@ -534,6 +535,7 @@ def vol_octahedron(oct_side: float) -> float:
         raise ValueError("vol_octahedron() only accepts non-negative values")
     return oct_side**3 * 2**0.5 / 3
 
+
 def vol_icosahedron(tri_side: float) -> float:
     """
     | Calculate the Volume of an Icosahedron.
@@ -584,7 +586,7 @@ def main():
     print(
         f"Hollow Circular Cylinder: {vol_hollow_circular_cylinder(1, 2, 3) = }"
     )  # ~= 28.3
-    print(f"Octahedron: {vol_octahedron(2.5) = }") # ~=7.37
+    print(f"Octahedron: {vol_octahedron(2.5) = }")  # ~=7.37
     print(f"Icosahedron: {vol_icosahedron(2.5) = }")  # ~=34.09