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Added TBigInt unequal operator

This commit is contained in:
Stefan Müller 2024-03-14 11:44:28 +01:00
parent 5808ec24f2
commit 71c8462358
1 changed files with 11 additions and 0 deletions
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11
UBigInt.pas
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@ -73,6 +73,8 @@ type
class function FromInt64(const AValue: Int64): TBigInt; static; class function FromInt64(const AValue: Int64): TBigInt; static;
end; end;
{ Operators }
operator := (const A: Int64): TBigInt; operator := (const A: Int64): TBigInt;
operator - (const A: TBigInt): TBigInt; operator - (const A: TBigInt): TBigInt;
operator + (const A, B: TBigInt): TBigInt; operator + (const A, B: TBigInt): TBigInt;
@ -80,6 +82,7 @@ type
operator * (const A, B: TBigInt): TBigInt; operator * (const A, B: TBigInt): TBigInt;
operator shl (const A: TBigInt; const B: Integer): TBigInt; operator shl (const A: TBigInt; const B: Integer): TBigInt;
operator = (const A, B: TBigInt): Boolean; operator = (const A, B: TBigInt): Boolean;
operator <> (const A, B: TBigInt): Boolean;
implementation implementation
@ -388,6 +391,8 @@ begin
end; end;
end; end;
{ Operators }
operator := (const A: Int64): TBigInt; operator := (const A: Int64): TBigInt;
begin begin
Result := TBigInt.FromInt64(A); Result := TBigInt.FromInt64(A);
@ -427,6 +432,7 @@ begin
Result := TBigInt.MultiplyAbsoluteValues(A, B, A.IsNegative <> B.IsNegative); Result := TBigInt.MultiplyAbsoluteValues(A, B, A.IsNegative <> B.IsNegative);
end; end;
// TODO: Shift operator could be implemented with a single Move call, but I do not want to change it without test cases.
operator shl(const A: TBigInt; const B: Integer): TBigInt; operator shl(const A: TBigInt; const B: Integer): TBigInt;
var var
i, j, digitShifts, bitShifts, reverseShift, len, newLength: Integer; i, j, digitShifts, bitShifts, reverseShift, len, newLength: Integer;
@ -481,5 +487,10 @@ begin
Result := A.CompareTo(B) = 0; Result := A.CompareTo(B) = 0;
end; end;
operator <> (const A, B: TBigInt): Boolean;
begin
Result := A.CompareTo(B) <> 0;
end;
end. end.