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Float type restriction with handwritten bounds #3

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Merged
merged 1 commit into from
Oct 6, 2022
Merged

Float type restriction with handwritten bounds #3

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6 changes: 4 additions & 2 deletions algorithms/linfa-logistic/src/hyperparams.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,12 @@ use serde::{Deserialize, Serialize};
/// A generalized logistic regression type that specializes as either binomial logistic regression
/// or multinomial logistic regression.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct LogisticRegressionParams<F, D: Dimension>(LogisticRegressionValidParams<F, D>);
#[serde(bound(deserialize = "D: Deserialize<'de>"))]
pub struct LogisticRegressionParams<F: Float, D: Dimension>(LogisticRegressionValidParams<F, D>);

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct LogisticRegressionValidParams<F, D: Dimension> {
#[serde(bound(deserialize = "D: Deserialize<'de>"))]
pub struct LogisticRegressionValidParams<F: Float, D: Dimension> {
pub(crate) alpha: F,
pub(crate) fit_intercept: bool,
pub(crate) max_iterations: u64,
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3 changes: 2 additions & 1 deletion algorithms/linfa-logistic/src/lib.rs
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Expand Up @@ -526,7 +526,8 @@ fn multi_logistic_grad<F: Float, A: Data<Elem = F>>(

/// A fitted logistic regression which can make predictions
#[derive(PartialEq, Debug, Clone, Serialize, Deserialize)]
pub struct FittedLogisticRegression<F, C: PartialOrd + Clone> {
#[serde(bound(deserialize = "C: Deserialize<'de>"))]
pub struct FittedLogisticRegression<F: Float, C: PartialOrd + Clone> {
threshold: F,
intercept: F,
params: Array1<F>,
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