RosettaCodeData/Task/Mutual-recursion/M4/mutual-recursion.m4
2023-07-01 13:44:08 -04:00

5 lines
249 B
Text

define(`female',`ifelse(0,$1,1,`eval($1 - male(female(decr($1))))')')dnl
define(`male',`ifelse(0,$1,0,`eval($1 - female(male(decr($1))))')')dnl
define(`loop',`ifelse($1,$2,,`$3($1) loop(incr($1),$2,`$3')')')dnl
loop(0,20,`female')
loop(0,20,`male')