Struct HardMediumSoftScore 

pub struct HardMediumSoftScore { /* private fields */ }

A score with hard, medium, and soft constraint levels.

Hard constraints must be satisfied for feasibility. Medium constraints have higher priority than soft constraints. Soft constraints are the lowest priority optimization objectives.

Comparison order: hard > medium > soft

Examples

use solverforge_core::HardMediumSoftScore;

let score1 = HardMediumSoftScore::of(0, -10, -100);
let score2 = HardMediumSoftScore::of(0, -5, -200);

// Better medium score wins even with worse soft score
assert!(score2 > score1);

Implementations

impl HardMediumSoftScore

pub const ZERO: HardMediumSoftScore

The zero score.

pub const ONE_HARD: HardMediumSoftScore

One hard constraint penalty.

pub const ONE_MEDIUM: HardMediumSoftScore

One medium constraint penalty.

pub const ONE_SOFT: HardMediumSoftScore

One soft constraint penalty.

pub const fn of(hard: i64, medium: i64, soft: i64) -> Self

Creates a new HardMediumSoftScore.

pub const fn of_hard(hard: i64) -> Self

Creates a score with only a hard component.

pub const fn of_medium(medium: i64) -> Self

Creates a score with only a medium component.

pub const fn of_soft(soft: i64) -> Self

Creates a score with only a soft component.

pub const fn hard(&self) -> i64

Returns the hard score component.

pub const fn medium(&self) -> i64

Returns the medium score component.

pub const fn soft(&self) -> i64

Returns the soft score component.

Trait Implementations

impl Add for HardMediumSoftScore

type Output = HardMediumSoftScore

The resulting type after applying the + operator.

fn add(self, other: Self) -> Self

Performs the + operation.

impl Clone for HardMediumSoftScore

fn clone(&self) -> HardMediumSoftScore

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HardMediumSoftScore

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HardMediumSoftScore

fn default() -> HardMediumSoftScore

Returns the “default value” for a type.

impl Display for HardMediumSoftScore

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for HardMediumSoftScore

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Neg for HardMediumSoftScore

type Output = HardMediumSoftScore

The resulting type after applying the - operator.

fn neg(self) -> Self

Performs the unary - operation.

impl Ord for HardMediumSoftScore

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl ParseableScore for HardMediumSoftScore

fn parse(s: &str) -> Result<Self, ScoreParseError>

Parses a score from a string representation.

fn to_string_repr(&self) -> String

Returns the string representation of this score.

impl PartialEq for HardMediumSoftScore

fn eq(&self, other: &HardMediumSoftScore) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for HardMediumSoftScore

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Score for HardMediumSoftScore

fn is_feasible(&self) -> bool

Returns true if this score represents a feasible solution.

fn zero() -> Self

Returns the zero score (identity element for addition).

fn levels_count() -> usize

Returns the number of score levels.

fn to_level_numbers(&self) -> Vec<i64>

Returns the score values as a vector of i64.

fn from_level_numbers(levels: &[i64]) -> Self

Creates a score from level numbers.

fn multiply(&self, multiplicand: f64) -> Self

Multiplies this score by a scalar.

fn divide(&self, divisor: f64) -> Self

Divides this score by a scalar.

fn abs(&self) -> Self

Returns the absolute value of this score.

fn compare(&self, other: &Self) -> Ordering

Compares two scores, returning the ordering.

fn is_better_than(&self, other: &Self) -> bool

Returns true if this score is better than the other score.

fn is_worse_than(&self, other: &Self) -> bool

Returns true if this score is worse than the other score.

fn is_equal_to(&self, other: &Self) -> bool

Returns true if this score is equal to the other score.

impl Sub for HardMediumSoftScore

type Output = HardMediumSoftScore

The resulting type after applying the - operator.

fn sub(self, other: Self) -> Self

Performs the - operation.

impl Copy for HardMediumSoftScore

impl Eq for HardMediumSoftScore

impl StructuralPartialEq for HardMediumSoftScore