AI-SimulatedAnnealing
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t/annealing_tests.t view on Meta::CPAN
default {
say STDERR $exception->get_message();
exit(1);
} # end when
} # end given
} # end if
# Generate a list of distances for each probability from the data in the
# BSV file:
my $field_names = $bsv_file_reader->get_field_names();
my @mapped_distances; # indexes 2-5 = Probability constants;
# values = references to number arrays
for my $p (2..5) {
$mapped_distances[$p] = [];
} # next $p
unless ($field_names->[0] eq "Time"
&& $field_names->[1] =~ /$Probability::ONE_FIFTH\z/s
&& $field_names->[2] =~ /$Probability::ONE_FOURTH\z/s
&& $field_names->[3] =~ /$Probability::ONE_THIRD\z/s
&& $field_names->[4] =~ /$Probability::ONE_HALF\z/s) {
die "ERROR: The input file does not contain market-distance data in "
. "the expected format.\n";
} # end unless
t/annealing_tests.t view on Meta::CPAN
}
default {
die "ERROR: " . $EVAL_ERROR->get_message() . $LF;
} # end when
} # end given
} # end if
$dex = $record->{"Time"} - 3;
unless ($dex >= 0
&& $dex <= scalar($mapped_distances[$Probability::ONE_FIFTH])) {
die "ERROR: The input file does not contain market-distance data "
. "in the expected format.\n";
} # end unless
for my $p (2..5) {
push @{ $mapped_distances[$p] }, $record->{$field_names->[6 - $p]};
} # next $p
} # end while
unless (scalar @{ $mapped_distances[$Probability::ONE_FIFTH] } == 61) {
die "ERROR: The input file does not contain the expected number of "
. "records.\n";
} # end unless
# Perform simulated annealing to optimize the coefficients for each of the
# four probabilities, and then print the results to the console:
for my $p (2..5) {
my $cost_function = cost_function_factory($mapped_distances[$p]);
my $optimized_coefficients;
my @number_specs;
push @number_specs,
{"LowerBound" => 0.0, "UpperBound" => 3.0, "Precision" => 3};
push @number_specs,
{"LowerBound" => -1.0, "UpperBound" => 5.0, "Precision" => 3};
push @number_specs,
{"LowerBound" => -4.0, "UpperBound" => 0.0, "Precision" => 3};
( run in 0.506 second using v1.01-cache-2.11-cpan-49f99fa48dc )