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Optimized recursive_bubble_sort (#2410)

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* optimized recursive_bubble_sort

* Fixed doctest error due whitespace

* reduce loop times for optimization

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
This commit is contained in:
Du Yuanchao
2020-09-10 16:31:26 +08:00
committed by GitHub
parent 25946e4570
commit 4d0a8f2355
60 changed files with 900 additions and 859 deletions
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26
linear_algebra/src/test_linear_algebra.py
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@ -14,7 +14,7 @@ from lib import Matrix, Vector, axpy, squareZeroMatrix, unitBasisVector, zeroVec
class Test(unittest.TestCase):
def test_component(self):
"""
test for method component
test for method component
"""
x = Vector([1, 2, 3])
self.assertEqual(x.component(0), 1)
@ -23,28 +23,28 @@ class Test(unittest.TestCase):
def test_str(self):
"""
test for toString() method
test for toString() method
"""
x = Vector([0, 0, 0, 0, 0, 1])
self.assertEqual(str(x), "(0,0,0,0,0,1)")
def test_size(self):
"""
test for size()-method
test for size()-method
"""
x = Vector([1, 2, 3, 4])
self.assertEqual(len(x), 4)
def test_euclidLength(self):
"""
test for the eulidean length
test for the eulidean length
"""
x = Vector([1, 2])
self.assertAlmostEqual(x.euclidLength(), 2.236, 3)
def test_add(self):
"""
test for + operator
test for + operator
"""
x = Vector([1, 2, 3])
y = Vector([1, 1, 1])
@ -54,7 +54,7 @@ class Test(unittest.TestCase):
def test_sub(self):
"""
test for - operator
test for - operator
"""
x = Vector([1, 2, 3])
y = Vector([1, 1, 1])
@ -64,7 +64,7 @@ class Test(unittest.TestCase):
def test_mul(self):
"""
test for * operator
test for * operator
"""
x = Vector([1, 2, 3])
a = Vector([2, -1, 4]) # for test of dot-product
@ -74,19 +74,19 @@ class Test(unittest.TestCase):
def test_zeroVector(self):
"""
test for the global function zeroVector(...)
test for the global function zeroVector(...)
"""
self.assertTrue(str(zeroVector(10)).count("0") == 10)
def test_unitBasisVector(self):
"""
test for the global function unitBasisVector(...)
test for the global function unitBasisVector(...)
"""
self.assertEqual(str(unitBasisVector(3, 1)), "(0,1,0)")
def test_axpy(self):
"""
test for the global function axpy(...) (operation)
test for the global function axpy(...) (operation)
"""
x = Vector([1, 2, 3])
y = Vector([1, 0, 1])
@ -94,7 +94,7 @@ class Test(unittest.TestCase):
def test_copy(self):
"""
test for the copy()-method
test for the copy()-method
"""
x = Vector([1, 0, 0, 0, 0, 0])
y = x.copy()
@ -102,7 +102,7 @@ class Test(unittest.TestCase):
def test_changeComponent(self):
"""
test for the changeComponent(...)-method
test for the changeComponent(...)-method
"""
x = Vector([1, 0, 0])
x.changeComponent(0, 0)
@ -115,7 +115,7 @@ class Test(unittest.TestCase):
def test_determinate(self):
"""
test for determinate()
test for determinate()
"""
A = Matrix([[1, 1, 4, 5], [3, 3, 3, 2], [5, 1, 9, 0], [9, 7, 7, 9]], 4, 4)
self.assertEqual(-376, A.determinate())