RosettaCodeData/Task/Write-float-arrays-to-a-text-file/Delphi/write-float-arrays-to-a-text-file.delphi
2023-07-01 13:44:08 -04:00

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Text

program Write_float_arrays_to_a_text_file;
{$APPTYPE CONSOLE}
uses
System.SysUtils,
System.IoUtils;
function ToString(v: TArray<Double>): TArray<string>;
var
fmt: TFormatSettings;
begin
fmt := TFormatSettings.Create('en-US');
SetLength(Result, length(v));
for var i := 0 to High(v) do
Result[i] := v[i].tostring(ffGeneral, 5, 3, fmt);
end;
function Merge(a, b: TArray<string>): TArray<string>;
begin
SetLength(Result, length(a));
for var i := 0 to High(a) do
Result[i] := a[i] + ^I + b[i];
end;
var
x, y: TArray<Double>;
begin
x := [1, 2, 3, 1e11];
y := [1, 1.4142135623730951, 1.7320508075688772, 316227.76601683791];
TFile.WriteAllLines('FloatArrayColumns.txt', Merge(ToString(x), ToString(y)));
end.