aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data update

Browse source
This commit is contained in:
Ingy döt Net 2025-06-11 20:16:52 -04:00
parent 72eb4943cb
commit 4d5544505c
2347 changed files with 62432 additions and 16731 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Task/Map-range/Free-Pascal-Lazarus/map-range-1.pas Normal file
View file

@ -0,0 +1,13 @@
Program Map(output);
function MapRange(fromRange, toRange: array of real; value: real): real;
begin
MapRange := (value - fromRange[0]) * (toRange[1] - toRange[0]) /
(fromRange[1] - fromRange[0]) + toRange[0];
end;
var
i: integer;
begin
for i := 0 to 10 do
writeln(i: 2, ' maps to: ', MapRange([0.0, 10.0], [-1.0, 0.0], i): 5: 2);
end.

58
Task/Map-range/Free-Pascal-Lazarus/map-range-2.pas Normal file
View file

@ -0,0 +1,58 @@
Program Map(output);
type
real = double;
tRange = array [0..1] of real;
tMapRec = record
mrFrom,
mrTo: tRange;
mrScale: real
end;
function InitRange(rfrom, rTo: real): tRange;
begin
InitRange[0] := rfrom;
InitRange[1] := rTo;
end;
function InitMapRec(const fromRange, toRange: tRange): tMapRec;
begin
with InitMapRec do
begin
mrFrom := fromRange;
mrTo := toRange;
mrScale := (toRange[1] - toRange[0]) / (fromRange[1] - fromRange[0]);
end;
end;
function MapRecRange(const value: real; var MR: tMapRec): real;
begin
with MR do
MapRecRange := (value - mrFrom[0]) * mrScale + mrTo[0];
end;
function MapRange(const value: real; const fromRange, toRange: tRange): real;
begin
MapRange := (value - fromRange[0]) * (toRange[1] - toRange[0]) /
(fromRange[1] - fromRange[0]) + toRange[0];
end;
var
value: real;
rFrom, rTo: tRange;
mr: tMapRec;
i: longint;
begin
rFrom := InitRange(0, 10);
rTo := InitRange(-1, 0);
mr := InitMapRec(rFrom, rTo);
for i := 0 to 10 do
begin
value := i;
writeln(i: 4, ' maps to: ', MapRange(value, rFrom, rTo): 10: 6,
MapRecRange(value, mr): 10: 6);
end;
end.