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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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55
Task/Kronecker-product/Ada/kronecker-product.ada
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with Ada.Text_IO;
with Ada.Integer_Text_IO;
procedure Kronecker_Product is
type Matrix is array (Positive range <>, Positive range <>) of Integer;
function "*"(Left, Right : in Matrix) return Matrix is
result : Matrix
(1 .. Left'Length(1) * Right'Length(1),
1 .. Left'Length(2) * Right'Length(2));
LI : Natural := 0;
LJ : Natural := 0;
begin
for I in 0 .. result'Length(1) - 1 loop
for J in 0 .. result'Length(2) - 1 loop
result (I + 1, J + 1) :=
Left(Left'First(1) + (LI), Left'First(2) + (LJ))
* Right
(Right'First(1) + (I mod Right'Length(1)),
Right'First(2) + (J mod Right'Length(2)));
if (J+1) mod Right'Length(2) = 0 then
LJ := LJ + 1;
end if;
end loop;
if (I+1) mod Right'Length(1) = 0 then
LI := LI + 1;
end if;
LJ := 0;
end loop;
return result;
end "*";
Left1 : constant Matrix := ((1, 2), (3, 4));
Right1 : constant Matrix := ((0, 5), (6, 7));
result1 : constant Matrix := Left1 * Right1;
Left2 : constant Matrix := ((0, 1, 0), (1, 1, 1), (0, 1, 0));
Right2 : constant Matrix := ((1, 1, 1, 1), (1, 0, 0, 1), (1, 1, 1, 1));
result2 : constant Matrix := Left2 * Right2;
begin
for I in result1'Range(1) loop
for J in result1'Range(2) loop
Ada.Integer_Text_IO.Put(Ada.Text_IO.Standard_Output, result1(I, J));
end loop;
Ada.Text_IO.New_Line;
end loop;
Ada.Text_IO.New_Line;
for I in result2'Range(1) loop
for J in result2'Range(2) loop
Ada.Integer_Text_IO.Put(Ada.Text_IO.Standard_Output, result2(I, J));
end loop;
Ada.Text_IO.New_Line;
end loop;
end Kronecker_Product;