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 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Task/Knuths-power-tree/11l/knuths-power-tree.11l
View file

@ -29,7 +29,7 @@ F show_pow_i(x, n)
F show_pow_f(x, n)
print("#.: #.\n#.^#. = #.6\n".format(n, path(n), x, n, tree_pow(x, n)))
L(x) 18
L(x) 0.<18
show_pow_i(2, x)
show_pow_i(3, 191)
show_pow_f(1.1, 81)

116
Task/Knuths-power-tree/Ada/knuths-power-tree.ada
View file

@ -1,116 +0,0 @@
with Ada.Containers.Ordered_Maps;
with Ada.Numerics.Big_Numbers.Big_Integers;
with Ada.Text_IO; use Ada.Text_IO;
procedure Power_Tree is
Debug_On : constant Boolean := False;
generic
type Result_Type is private;
Base : Result_Type;
Identity : Result_Type;
with function "*" (Left, Right : Result_Type) return Result_Type is <>;
package Knuth_Power_Tree is
subtype Exponent is Natural;
function Power (Exp : Exponent) return Result_Type;
end Knuth_Power_Tree;
package body Knuth_Power_Tree is
package Power_Trees is
new Ada.Containers.Ordered_Maps (Key_Type => Exponent,
Element_Type => Result_Type);
Tree : Power_Trees.Map;
procedure Debug (Item : String) is
begin
if Debug_On then
Put_Line (Standard_Error, Item);
end if;
end Debug;
function Power (Exp : Exponent) return Result_Type is
Pow : Result_Type;
begin
if Tree.Contains (Exp) then
return Tree.Element (Exp);
else
Debug ("lookup failed of " & Exp'Image);
end if;
if Exp mod 2 = 0 then
Debug ("lookup half " & Exponent'(Exp / 2)'Image);
Pow := Power (Exp / 2);
Pow := Pow * Pow;
else
Debug ("lookup one less " & Exponent'(Exp - 1)'Image);
Pow := Power (Exp - 1);
Pow := Result_Type (Base) * Pow;
end if;
Debug ("insert " & Exp'Image);
Tree.Insert (Key => Exp, New_Item => Pow);
return Pow;
end Power;
begin
Tree.Insert (Key => 0, New_Item => Identity);
end Knuth_Power_Tree;
procedure Part_1
is
package Power_2 is new Knuth_Power_Tree (Result_Type => Long_Integer,
Base => 2,
Identity => 1);
R : Long_Integer;
begin
Put_Line ("=== Part 1 ===");
for N in 0 .. 25 loop
R := Power_2.Power (N);
Put ("2 **"); Put (N'Image);
Put (" ="); Put (R'Image);
New_Line;
end loop;
end Part_1;
procedure Part_2
is
use Ada.Numerics.Big_Numbers.Big_Integers;
package Power_3 is new Knuth_Power_Tree (Result_Type => Big_Integer,
Base => 3,
Identity => 1);
R : Big_Integer;
begin
Put_Line ("=== Part 2 ===");
for E in 190 .. 192 loop
R := Power_3.Power (E);
Put ("3 **" & E'Image & " ="); Put (R'Image); New_Line;
end loop;
end Part_2;
procedure Part_3
is
subtype Real is Long_Long_Float;
package Real_IO is new Ada.Text_IO.Float_IO (Real);
package Power_1_1 is new Knuth_Power_Tree (Result_Type => Real,
Base => 1.1,
Identity => 1.0);
R : Real;
begin
Put_Line ("=== Part 3 ===");
for E in 81 .. 84 loop
R := Power_1_1.Power (E);
Put ("1.1 **" & E'Image & " = ");
Real_IO.Put (R, Exp => 0, Aft => 6);
New_Line;
end loop;
end Part_3;
begin
Part_1;
Part_2;
Part_3;
end Power_Tree;