#!./parrot -R cgp # Copyright (C) 2005-2009, Parrot Foundation. # $Id: takfp.pir 38369 2009-04-26 12:57:09Z fperrad $ # # ./parrot -R cgp takfp.pir N (N = 10 for shootout) # by Joshua Isom # changed default value to N=7 (shootout default before being deprecated) # anyway N=10 froze my laptop. Karl Forner .sub main :main .param pmc argv .local int argc, n argc = argv n = 7 unless argc == 2 goto argsok $S0 = argv[1] n = $S0 argsok: .local num f $N0 = n $N0 *= 3 $N1 = n $N1 *= 2 $N2 = n $N2 *= 1 f = Tak($N0, $N1, $N2) $P0 = new 'FixedFloatArray' $P0 = 1 $P0[0] = f $S0 = sprintf "%.1f\n", $P0 print $S0 .end .sub Tak .param num x .param num y .param num z unless y >= x goto endif .return(z) endif: .local num tmp tmp = x - 1 $N0 = Tak(tmp, y, z) tmp = y - 1 $N1 = Tak(tmp, z, x) tmp = z - 1 $N2 = Tak(tmp, x, y) .tailcall Tak($N0, $N1, $N2) .end # Local Variables: # mode: pir # fill-column: 100 # End: # vim: expandtab shiftwidth=4 ft=pir: