PhoneFS/maths.pas at main · d4rkmen/PhoneFS · GitHub

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unit maths;

interface

function Max(const A, B: Integer): Integer;
function Min(const A, B: Integer): Integer;
function Ceil(const X: Extended): Integer;
function Floor(const X: Extended): Integer;

implementation

function Min(const A, B: Integer): Integer;
begin
  if A < B then
    Result := A
  else
    Result := B;
end;

function Max(const A, B: Integer): Integer;
begin
  if A > B then
    Result := A
  else
    Result := B;
end;

function Ceil(const X: Extended): Integer;
begin
  Result := Integer(Trunc(X));
  if Frac(X) > 0 then
    Inc(Result);
end;

function Floor(const X: Extended): Integer;
begin
  Result := Integer(Trunc(X));
  if Frac(X) < 0 then
    Dec(Result);
end;

end.