Created
March 19, 2016 08:01
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試し割りで素数判定するParrotのプログラム書いてみた
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.sub main :main | |
.param pmc args | |
$I0 = args | |
if $I0 >= 2 goto check1 | |
say 'No input value specified.' | |
end | |
check1: | |
$S0 = args[1] | |
$I1 = $S0 | |
$S1 = $I1 | |
if $S0 == $S1 goto check2 | |
say 'Please specify a integer.' | |
end | |
check2: | |
print $I1 | |
print ' is ' | |
check3: | |
if $I1 < 2 goto not_prime | |
if $I1 == 2 goto prime | |
$I2 = $I1 % 2 | |
if $I2 == 0 goto not_prime | |
$N0 = sqrt $I1 | |
$I3 = 3 | |
loop_begin: | |
if $I1 == $I3 goto prime | |
$I4 = $I1 % $I3 | |
if $I4 == 0 goto not_prime | |
$N1 = $I3 | |
if $N1 >= $N0 goto prime | |
$I3 += 2 | |
goto loop_begin | |
prime: | |
say 'prime number.' | |
end | |
not_prime: | |
say 'not prime number.' | |
end | |
.end |
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