1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60

pub mod simpson;

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

pub trait GetQuadratureRange {
    fn get_range_generator(a: f64, b: f64, 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
        + Clone,
{
}

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

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

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

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