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# Copyright (C) 2005-2009, Parrot Foundation.
# $Id$
=head1 NAME
examples/shootout/harmonic.pir - Partial sum of Harmonic series
=head1 SYNOPSIS
% ./parrot examples/shootout/harmonic.pir -R jit 10000000
=head1 DESCRIPTION
Seemed to be deprecated, no longer found on shootout site (Karl),
so could not find an expected output file.
Translated from C code by Greg Buchholz into PIR
by Peter Baylies <pbaylies@gmail.com>.
The C code is at:
The Great Computer Language Shootout
http://shootout.alioth.debian.org/
=cut
.sub 'main' :main
.param pmc argv
.local int argc
.local int n
.local num i, sum
i = 1
sum = 0
argc = argv
n = 10000000
if argc <= 1 goto NREDO
$S0 = argv[1]
n = $S0
NREDO: $N1 = 1 / i
sum += $N1
inc i
dec n
if n goto NREDO
$P0 = new 'FixedFloatArray'
$P0 = 1
$P0[0] = sum
$S0 = sprintf "%.9f\n", $P0
print $S0
end
.end
# Local Variables:
# mode: pir
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4 ft=pir:
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