qudit-tensor 0.3.3

Accelerated and Extensible Quantum Library
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

use std::collections::HashMap;

use qudit_core::ParamInfo;
use qudit_expr::ExpressionId;

#[derive(Clone)]
pub enum BytecodeInstruction {
    Write(ExpressionId, ParamInfo, usize),
    Matmul(usize, usize, usize, ParamInfo, ParamInfo),
    Kron(usize, usize, usize, ParamInfo, ParamInfo),
    Hadamard(usize, usize, usize, ParamInfo, ParamInfo),
    FRPR(usize, Vec<usize>, Vec<usize>, usize),
    Trace(usize, Vec<(usize, usize)>, usize),
}

impl std::fmt::Debug for BytecodeInstruction {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            BytecodeInstruction::Write(id, _, index) => {
                write!(f, "Write {} {:?}", id, index)
            }
            BytecodeInstruction::Matmul(a, b, c, _, _) => {
                write!(f, "Matmul {:?} {:?} {:?}", a, b, c)
            }
            BytecodeInstruction::Kron(a, b, c, _, _) => {
                write!(f, "Kron {:?} {:?} {:?}", a, b, c)
            }
            BytecodeInstruction::Hadamard(a, b, c, _, _) => {
                write!(f, "Kron {:?} {:?} {:?}", a, b, c)
            }
            BytecodeInstruction::FRPR(a, _, _, d) => {
                write!(f, "FRPR {:?} {:?}", a, d)
            }
            BytecodeInstruction::Trace(a, _, c) => {
                write!(f, "Trace {:?} {:?}", a, c)
            }
        }
    }
}

impl BytecodeInstruction {
    pub fn offset_buffer_indices(&mut self, offset: usize) {
        match self {
            BytecodeInstruction::Write(_, _, index) => {
                *index += offset;
            }
            BytecodeInstruction::Matmul(a, b, c, _, _) => {
                *a += offset;
                *b += offset;
                *c += offset;
            }
            BytecodeInstruction::Kron(a, b, c, _, _) => {
                *a += offset;
                *b += offset;
                *c += offset;
            }
            BytecodeInstruction::Hadamard(a, b, c, _, _) => {
                *a += offset;
                *b += offset;
                *c += offset;
            }
            BytecodeInstruction::FRPR(a, _, _, d) => {
                *a += offset;
                *d += offset;
            }
            BytecodeInstruction::Trace(a, _, c) => {
                *a += offset;
                *c += offset;
            }
        }
    }

    pub fn replace_buffer_indices(&mut self, buffer_map: &HashMap<usize, usize>) {
        match self {
            BytecodeInstruction::Write(_, _, index) => {
                if let Some(new_index) = buffer_map.get(index) {
                    *index = *new_index;
                }
            }
            BytecodeInstruction::Matmul(a, b, c, _, _) => {
                if let Some(new_index) = buffer_map.get(a) {
                    *a = *new_index;
                }
                if let Some(new_index) = buffer_map.get(b) {
                    *b = *new_index;
                }
                if let Some(new_index) = buffer_map.get(c) {
                    *c = *new_index;
                }
            }
            BytecodeInstruction::Kron(a, b, c, _, _) => {
                if let Some(new_index) = buffer_map.get(a) {
                    *a = *new_index;
                }
                if let Some(new_index) = buffer_map.get(b) {
                    *b = *new_index;
                }
                if let Some(new_index) = buffer_map.get(c) {
                    *c = *new_index;
                }
            }
            BytecodeInstruction::Hadamard(a, b, c, _, _) => {
                if let Some(new_index) = buffer_map.get(a) {
                    *a = *new_index;
                }
                if let Some(new_index) = buffer_map.get(b) {
                    *b = *new_index;
                }
                if let Some(new_index) = buffer_map.get(c) {
                    *c = *new_index;
                }
            }
            BytecodeInstruction::FRPR(a, _, _, d) => {
                if let Some(new_index) = buffer_map.get(a) {
                    *a = *new_index;
                }
                if let Some(new_index) = buffer_map.get(d) {
                    *d = *new_index;
                }
            }
            BytecodeInstruction::Trace(a, _, c) => {
                if let Some(new_index) = buffer_map.get(a) {
                    *a = *new_index;
                }
                if let Some(new_index) = buffer_map.get(c) {
                    *c = *new_index;
                }
            }
        }
    }
}