Data update

2024-10-16 18:07:41 -07:00 · 2024-10-16 18:07:41 -07:00 · 52a6ef48dd
commit 52a6ef48dd
parent 81fd053722
10248 changed files with 63654 additions and 6775 deletions
--- a/Task/Fibonacci-sequence/Factor/fibonacci-sequence-4.factor
+++ b/Task/Fibonacci-sequence/Factor/fibonacci-sequence-4.factor
@ -1,7 +1,6 @@
-USE: math.matrices
-
-: fib ( n -- m )
-    dup 2 < [
-        [ { { 0 1 } { 1 1 } } ] dip 1 - m^n
-        second second
-    ] unless ;
+: fib2 ( x y n -- a )
+  dup 1 <
+    [ 2drop ]
+    [ [ swap [ + ] keep ] dip 1 - fib2 ]
+  if ;
+: fib ( n -- m ) [ 0 1 ] dip fib2 ;