//! Utilities for working with experimental data.

use feos_core::{DensityInitialization, EosError};

use quantity::QuantityError;

use std::num::ParseFloatError;

use thiserror::Error;

mod dataset;

pub use dataset::DataSet;

mod estimator;

pub use estimator::Estimator;

mod loss;

pub use loss::Loss;

// Properties

mod vapor_pressure;

pub use vapor_pressure::VaporPressure;

mod liquid_density;

pub use liquid_density::{EquilibriumLiquidDensity, LiquidDensity};

mod binary_vle;

pub use binary_vle::{BinaryPhaseDiagram, BinaryVleChemicalPotential, BinaryVlePressure};

mod viscosity;

pub use viscosity::Viscosity;

mod thermal_conductivity;

pub use thermal_conductivity::ThermalConductivity;

mod diffusion;

pub use diffusion::Diffusion;

#[cfg(feature = "python")]

pub mod python;

/// Different phases of experimental data points.

#[derive(Clone, Copy)]

#[cfg_attr(feature = "python", pyo3::pyclass)]

pub enum Phase {

Vapor,

Liquid,

}

impl From<Phase> for DensityInitialization {

fn from(value: Phase) -> Self {

match value {

Phase::Liquid => DensityInitialization::Liquid,

Phase::Vapor => DensityInitialization::Vapor,

}

}

}

#[derive(Debug, Error)]

pub enum EstimatorError {

#[error("Input has not the same amount of data as the target.")]

IncompatibleInput,

#[error(transparent)]

ShapeError(#[from] ndarray::ShapeError),

#[error(transparent)]

ParseError(#[from] ParseFloatError),

#[error(transparent)]

QuantityError(#[from] QuantityError),

#[error(transparent)]

EosError(#[from] EosError),

}