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Commit 8c1c6c1

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alejandroaldaspre-commit-ci[bot]MaximSmolskiy
authored
Codex/find and fix a bug (#12782)
* Fix enumeration order in FFT string representation * updating DIRECTORY.md * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Update radix2_fft.py * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: alejandroaldas <alejandroaldas@users.noreply.github.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>
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‎maths/radix2_fft.py

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -39,14 +39,14 @@ class FFT:
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>>> x = FFT(A, B)
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Print product
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>>> x.product # 2x + 3x^2 + 8x^3 + 4x^4 + 6x^5
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>>> x.product # 2x + 3x^2 + 8x^3 + 6x^4 + 8x^5
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[(-0-0j), (2+0j), (3-0j), (8-0j), (6+0j), (8+0j)]
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__str__ test
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>>> print(x)
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A = 0*x^0 + 1*x^1 + 2*x^0 + 3*x^2
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B = 0*x^2 + 1*x^3 + 2*x^4
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A*B = 0*x^(-0-0j) + 1*x^(2+0j) + 2*x^(3-0j) + 3*x^(8-0j) + 4*x^(6+0j) + 5*x^(8+0j)
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A = 0*x^0 + 1*x^1 + 0*x^2 + 2*x^3
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B = 2*x^0 + 3*x^1 + 4*x^2
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A*B = (-0-0j)*x^0 + (2+0j)*x^1 + (3-0j)*x^2 + (8-0j)*x^3 + (6+0j)*x^4 + (8+0j)*x^5
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"""
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def __init__(self, poly_a=None, poly_b=None):
@@ -159,13 +159,13 @@ def __multiply(self):
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# Overwrite __str__ for print(); Shows A, B and A*B
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def __str__(self):
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a = "A = " + " + ".join(
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f"{coef}*x^{i}" for coef, i in enumerate(self.polyA[: self.len_A])
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f"{coef}*x^{i}" for i, coef in enumerate(self.polyA[: self.len_A])
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)
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b = "B = " + " + ".join(
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f"{coef}*x^{i}" for coef, i in enumerate(self.polyB[: self.len_B])
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f"{coef}*x^{i}" for i, coef in enumerate(self.polyB[: self.len_B])
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)
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c = "A*B = " + " + ".join(
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f"{coef}*x^{i}" for coef, i in enumerate(self.product)
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f"{coef}*x^{i}" for i, coef in enumerate(self.product)
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)
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return f"{a}\n{b}\n{c}"

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