opensrdk-linear-algebra 0.7.0

Standard linear algebra library using blas and lapack for OpenSRDK toolchain.
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

use crate::{macros::sub_matrix::SubMatrix, matrix::Matrix, number::Number};

#[macro_export]
macro_rules! stack_v {
  ($e: expr) => {{
    use $crate::macros::stack::Stack;
    Stack::Vertical($e)
  }};
}

#[macro_export]
macro_rules! stack_h {
  ($e: expr) => {{
    use $crate::macros::stack::Stack;
    Stack::Horizontal($e)
  }};
}

#[macro_export]
macro_rules! stack {
  ($e: expr) => {
    {
      use $crate::macros::stack::Stack;
      Stack::Only(Box::new($e))
    }
  };
  ($($e: expr),+) => {
    {
      use $crate::stack_h;
      stack_h!(vec![$(stack!($e)),+])
    }
  };
  ($($($e: expr),+);+) => {
    {
      use $crate::stack_v;
      stack_v!(vec![$(stack!($($e),+)),+])
    }
  };
}

pub enum Stack<'a, T: Number> {
  Only(Box<dyn SubMatrix<T> + 'a>),
  Horizontal(Vec<Stack<'a, T>>),
  Vertical(Vec<Stack<'a, T>>),
}

impl<'a, T> Stack<'a, T>
where
  T: Number,
{
  pub fn matrix(&self) -> Matrix<T> {
    let size = self.size();
    let mut matrix = Matrix::<T>::new(size.0, size.1);
    self.transcript(&mut matrix, 0, 0);

    matrix
  }

  fn size(&self) -> (usize, usize) {
    match self {
      Stack::Only(sub_matrix) => sub_matrix.size(),
      Stack::Horizontal(vec) => {
        let mut rows = 0usize;
        let mut columns = 0usize;

        for e in vec.iter() {
          let size = e.size();

          if rows == 0 {
            rows = size.0;
          } else if rows != size.0 {
            panic!("Dimension mismatch.")
          }

          columns += size.1;
        }

        (rows, columns)
      }
      Stack::Vertical(vec) => {
        let mut rows = 0usize;
        let mut columns = 0usize;

        for e in vec.iter() {
          let size = e.size();

          if columns == 0 {
            columns = size.1;
          } else if columns != size.1 {
            panic!("Dimension mismatch.")
          }

          rows += size.0;
        }

        (rows, columns)
      }
    }
  }

  fn transcript(&self, matrix: &mut Matrix<T>, i: usize, j: usize) -> (usize, usize) {
    match self {
      Stack::Only(sub_matrix) => {
        let size = sub_matrix.size();

        for l in 0..size.1 {
          for k in 0..size.0 {
            matrix[j + l][i + k] = sub_matrix.index(k, l);
          }
        }

        size
      }
      Stack::Horizontal(vec) => {
        let mut size = (0usize, 0usize);

        for e in vec.iter() {
          let s = e.transcript(matrix, i, j + size.1);
          size.0 = s.0;
          size.1 += s.1;
        }

        size
      }
      Stack::Vertical(vec) => {
        let mut size = (0usize, 0usize);

        for e in vec.iter() {
          let s = e.transcript(matrix, i + size.0, j);
          size.0 += s.0;
          size.1 = s.1;
        }

        size
      }
    }
  }
}