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Fixed initializer of zero polynomial

This commit is contained in:
Stefan Müller 2024-05-25 02:35:55 +02:00
parent baa1f8f31f
commit fa5616f3cc
2 changed files with 7 additions and 13 deletions
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4
UPolynomial.pas
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@ -256,6 +256,10 @@ begin
SetLength(Result.FCoefficients, high + 1); SetLength(Result.FCoefficients, high + 1);
for i := 0 to high do for i := 0 to high do
Result.FCoefficients[i] := ACoefficients[i]; Result.FCoefficients[i] := ACoefficients[i];
end
else begin
SetLength(Result.FCoefficients, 1);
Result.FCoefficients[0] := TBigInt.Zero;
end; end;
end; end;

16
tests/UPolynomialTestCases.pas
View File

@ -33,9 +33,7 @@ type
procedure TestCreateWithDegree(const ACoefficients: array of TBigInt; const ADegree: Integer); procedure TestCreateWithDegree(const ACoefficients: array of TBigInt; const ADegree: Integer);
published published
procedure TestCreate; procedure TestCreate;
procedure TestCreateDegreeOne;
procedure TestCreateDegreeZero; procedure TestCreateDegreeZero;
procedure TestCreateDegreeZeroTrim;
procedure TestEqual; procedure TestEqual;
procedure TestUnequalSameLength; procedure TestUnequalSameLength;
procedure TestUnequalDifferentLength; procedure TestUnequalDifferentLength;
@ -66,19 +64,11 @@ begin
TestCreateWithDegree([992123, 7, 20, 4550022], 3); TestCreateWithDegree([992123, 7, 20, 4550022], 3);
end; end;
procedure TBigIntPolynomialTestCase.TestCreateDegreeOne;
begin
TestCreateWithDegree([4007], 0);
end;
procedure TBigIntPolynomialTestCase.TestCreateDegreeZero; procedure TBigIntPolynomialTestCase.TestCreateDegreeZero;
begin begin
TestCreateWithDegree([], -1); TestCreateWithDegree([4007], 0);
end; TestCreateWithDegree([], 0);
TestCreateWithDegree([0], 0);
procedure TBigIntPolynomialTestCase.TestCreateDegreeZeroTrim;
begin
TestCreateWithDegree([0], -1);
end; end;
procedure TBigIntPolynomialTestCase.TestEqual; procedure TBigIntPolynomialTestCase.TestEqual;