haloumi-ir 0.5.3

Intermediate representation of the haloumi framework.
Documentation 
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160

use helpers::{ConstraintFactory, IRStmtFactory, InnerConstraintFactory};

use super::*;

pub mod helpers;

type S = IRStmt<()>;

#[test]
fn iterator_nested_seqs() {
    let nested = S::seq([
        S::assert(IRBexpr::and_many(vec![])),
        S::seq([
            S::assert(IRBexpr::and_many(vec![])),
            S::assert(IRBexpr::and_many(vec![])),
        ]),
    ]);
    let expected = vec![S::assert(IRBexpr::and_many(vec![])); 3];
    let output = nested.into_iter().collect::<Vec<_>>();
    assert_eq!(expected, output);
}

pub struct TestHelper<T, O> {
    factory: Box<dyn ConstraintFactory<Inner = T, Out = O>>,
}

impl<T: 'static> TestHelper<T, Constraint<T>> {
    pub fn constraints() -> Self {
        Self {
            factory: Box::new(InnerConstraintFactory::default()),
        }
    }
}

impl<T: 'static> TestHelper<T, IRStmt<T>> {
    pub fn stmts() -> Self {
        Self {
            factory: Box::new(IRStmtFactory::default()),
        }
    }
}

impl<T, O> TestHelper<T, O>
where
    T: PartialEq + std::fmt::Debug + Clone,
    O: PartialEq + std::fmt::Debug,
{
    pub fn helper(&self, x: T, y: T, z: T, w: T) {
        let f = self.factory.as_ref();
        let a = f.eq(x.clone(), y.clone());
        let b = f.eq(x, y);
        let c = f.eq(z.clone(), w.clone());
        let d = f.lt(z, w);

        assert_eq!(a, b);
        assert_ne!(a, c);
        assert_ne!(c, d);
    }

    pub fn helper_with(
        &self,
        x: impl Fn() -> T,
        y: impl Fn() -> T,
        z: impl Fn() -> T,
        w: impl Fn() -> T,
    ) {
        let f = self.factory.as_ref();
        let a = f.eq(x(), y());
        let b = f.eq(x(), y());
        let c = f.eq(z(), w());
        let d = f.lt(z(), w());

        assert_eq!(a, b);
        assert_ne!(a, c);
        assert_ne!(c, d);
    }
}

impl<T> TestHelper<T, IRStmt<T>>
where
    T: PartialEq + std::fmt::Debug + Clone,
{
    pub fn helper_seqs_with(&self, x: impl Fn() -> T, y: impl Fn() -> T) {
        let f = self.factory.as_ref();
        let a = f.eq(x(), y());
        let b = IRStmt::from_iter([f.eq(x(), y())]);

        assert_eq!(a, b);
    }
}

#[test]
fn test_partial_eq_on_i32() {
    let h = TestHelper::<i32, IRStmt<i32>>::stmts();
    h.helper(1, 2, 3, 4);
}

pub mod ff {
    use std::ops::{Add, Mul};

    use crate::stmt::{IRStmt, test::TestHelper};
    use haloumi_core::table::{Rotation, RotationExt};

    #[derive(Debug, PartialEq, Eq, Clone)]
    pub enum MockExpr {
        Constant(usize),
        Fixed(usize, i32),
        Advice(usize, i32),
        Instance(usize, i32),
        Add(Box<MockExpr>, Box<MockExpr>),
        Mul(Box<MockExpr>, Box<MockExpr>),
    }

    impl Mul for MockExpr {
        type Output = Self;

        fn mul(self, rhs: Self) -> Self::Output {
            MockExpr::Mul(Box::new(self), Box::new(rhs))
        }
    }

    impl Add for MockExpr {
        type Output = Self;

        fn add(self, rhs: Self) -> Self::Output {
            MockExpr::Add(Box::new(self), Box::new(rhs))
        }
    }

    pub fn c(n: usize) -> MockExpr {
        MockExpr::Constant(n)
    }

    pub fn f(col: usize, rot: Rotation) -> MockExpr {
        MockExpr::Fixed(col, rot)
    }

    pub fn a(col: usize, rot: Rotation) -> MockExpr {
        MockExpr::Advice(col, rot)
    }

    pub fn i(col: usize, rot: Rotation) -> MockExpr {
        MockExpr::Instance(col, rot)
    }

    #[test]
    fn test_partial_eq_on_expressions() {
        let h = TestHelper::<MockExpr, IRStmt<MockExpr>>::stmts();
        use Rotation as R;
        h.helper_with(|| c(1), || c(2), || c(3), || c(4));
        h.helper_with(|| f(1, R::cur()), || c(2), || c(3), || c(4));
        h.helper_with(|| a(1, R::cur()), || c(2), || c(3), || c(4));
        h.helper_with(|| i(1, R::cur()), || c(2), || c(3), || c(4));

        h.helper_seqs_with(|| c(1), || c(2));
        h.helper_seqs_with(|| f(1, R::cur()), || c(2));
        h.helper_seqs_with(|| a(1, R::cur()), || c(2));
        h.helper_seqs_with(|| i(1, R::cur()), || c(2));
    }
}