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// -----------------------------------------------------------------------------
// Tweak
// -----------------------------------------------------------------------------
// Input parameters
pub const CORPUS_FILE_NAME: &str = "corpus.txt";
pub const STATS_FILE_NAME: &str = "shai.json";
pub const LOAD_STATS: bool = true;
pub const STARTING_LAYOUT_STRING: &str = "
A B C D E F G H I J
K L M N O P Q R S T
U V W X Y Z . , / '
";
// Tournament parameters
pub const NUM_CONTESTANTS: usize = 256;
pub const NUM_PERSIST: usize = 8;
pub const MAX_NUM_TRANSPOSITIONS: usize = 6;
// Fitness parameters
pub const STANDARD_DSFB_WEIGHT: f32 = 1.0 / 16.0;
pub const INDEX_DSFB_WEIGHT: f32 = 1.0 / 16.0;
pub const MIN_INDEX_USAGE_PERCENT: f32 = 0.12;
pub fn index_usage_fitness(index_perc: f32) -> f32 {
if index_perc < MIN_INDEX_USAGE_PERCENT {
MIN_INDEX_USAGE_PERCENT - index_perc
} else {
0.0
}
}
pub const MAX_PINKY_USAGE_PERCENT: f32 = 0.092;
pub fn pinky_col_penalty(lesser_perc: f32, greater_perc: f32) -> f32 {
if greater_perc > MAX_PINKY_USAGE_PERCENT {
if lesser_perc > MAX_PINKY_USAGE_PERCENT {
lesser_perc + greater_perc - MAX_PINKY_USAGE_PERCENT * 2.0
} else {
greater_perc - MAX_PINKY_USAGE_PERCENT
}
} else {
0.0
}
}
// Pre-layout to layout
pub const MINIMISE_LSB_INSTEAD_OF_OPTIMISING_BALANCE: bool = true;
// -----------------------------------------------------------------------------
// Do not change the following, the code makes assumptions about these
// -----------------------------------------------------------------------------
pub const NUM_KEYS: usize = 30;
pub const ROW_LENGTH: usize = 10;
pub const KEY_CHARS: [char; NUM_KEYS] = [
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '/', '.', ',', '\'',
];
pub const KEY_TO_FINGER: [usize; NUM_KEYS] = [
0, 1, 2, 3, 3, 4, 4, 5, 6, 7, 0, 1, 2, 3, 3, 4, 4, 5, 6, 7, 0, 1, 2, 3, 3, 4, 4, 5, 6, 7,
];
pub fn canonicalise(inp: char) -> Option<u8> {
if inp.is_ascii_alphabetic() {
return Some(inp.to_ascii_uppercase() as u8);
} else {
match inp {
'.' => Some('.' as u8),
'>' => Some('.' as u8),
',' => Some(',' as u8),
'<' => Some(',' as u8),
'/' => Some('/' as u8),
'?' => Some('/' as u8),
'\'' => Some('\'' as u8),
'"' => Some('\'' as u8),
_ => None,
}
}
}
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