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};



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