sequential-integration 1.0.2

pub mod simpson;

use super::{
    helper_equation_traits::{
        EquationOfOneVariable, EquationOfThreeVariable, EquationOfTwoVariable,
    },
    range_generator::RangeGenerator,
    Bounds, CalculationResult,
};
use crate::errors::Result;

pub trait GetQuadratureRange {
    fn get_range_generator(bounds: Bounds, h: f64) -> Result<Option<Box<dyn RangeGenerator>>>;
}

pub trait FinalizeCalculation {
    fn finalize(&self, result: CalculationResult) -> Result<f64>;
}

pub trait GetStepSizeSingleIntegral {
    fn get_step_size(&self) -> f64;
}

pub trait QuadratureSingleIntegral
where
    Self: GetQuadratureRange
        + FinalizeCalculation
        + GetStepSizeSingleIntegral
        + EquationOfOneVariable,
{
}

pub trait GetStepSizeDoubleIntegral {
    fn get_step_size(&self) -> (f64, f64);
}

pub trait QuadratureDoubleIntegral
where
    Self: GetQuadratureRange
        + FinalizeCalculation
        + GetStepSizeDoubleIntegral
        + EquationOfTwoVariable,
{
}

pub trait GetStepSizeTripleIntegral {
    fn get_step_size(&self) -> (f64, f64, f64);
}

pub trait QuadratureTripleIntegral
where
    Self: GetQuadratureRange
        + FinalizeCalculation
        + GetStepSizeTripleIntegral
        + EquationOfThreeVariable,
{
}