tensorism-gen 0.2.0

Multidimensional arrays with bounds included in the type system.
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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246

use ndarray::{Array1, Array2};
use tensorism_gen::{format_new_ndarray, new_ndarray};

#[test]
fn indexing_alias_format() {
    let format = format_new_ndarray!(for i let j = sort[i] => tensor1[j]);

    asserts::equivalent!(
        format,
        r##"{
            let tsm_dim_0 = :: tensorism :: Reindexing1 :: get_input0_bound(& sort);
            let tsm_dim_1 = :: tensorism :: Reindexing1 :: get_output_bound(& sort);
            if tsm_dim_1 != :: ndarray :: ArrayBase :: < _, _ > :: dim(& tensor1) {
                panic! ("Dimensions are not matching between j = sort[_] and tensor1[j]");
            };
            let tsm_ptr_tensor1 : * const _ = tensor1.as_ptr();
            let tsm_strides = tensor1.strides();
            let tsm_stride_0_tensor1 : isize = tsm_strides [0usize];
            type TsmDimensionType = :: ndarray :: Dim < [ :: ndarray :: Ix; 1usize ] > ;
            let mut tsm_res = :: ndarray :: Array :: < _, TsmDimensionType > :: uninit((tsm_dim_0,));
            let mut tsm_res_ptr = tsm_res.as_mut_ptr() as * mut _;
            fn tsm_unify < T, D > (_tensor : & :: ndarray :: Array :: < std :: mem :: MaybeUninit < T > , D > , _ptr : * mut T, _f : impl Fn() -> T, ) {}
            tsm_unify(& tsm_res, tsm_res_ptr, || { ( * unsafe { & * tsm_ptr_tensor1 } ) });
            for i in 0usize .. tsm_dim_0 {
                let tsm_value = {
                    let j = unsafe {:: tensorism :: Reindexing1 :: get_unchecked(& sort, i)};
                    ( * unsafe { & * tsm_ptr_tensor1.offset((j as isize) * tsm_stride_0_tensor1)} )
                };
                unsafe {tsm_res_ptr.write(tsm_value); tsm_res_ptr = tsm_res_ptr.add(1);}
            };
            unsafe {tsm_res.assume_init()}
        } "##
    );

    let format = format_new_ndarray!(for i j let k = combine[i, j] => tensor2[i, k]);
    asserts::equivalent!(
        format,
        r#"{
            let tsm_dim_0 = :: tensorism :: Reindexing2 :: get_input0_bound (& combine);
            if tsm_dim_0 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor2). 0 {
                panic ! ("Dimensions are not matching between combine[i, _] and tensor2[i, _]");
            };
            let tsm_dim_1 = :: tensorism :: Reindexing2 :: get_input1_bound (& combine);
            let tsm_dim_2 = :: tensorism :: Reindexing2 :: get_output_bound (& combine);
            if tsm_dim_2 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor2). 1 {
                panic ! ("Dimensions are not matching between k = combine[_, _] and tensor2[_, k]");
            };
            let tsm_ptr_tensor2 : * const _ = tensor2 . as_ptr ();
            let tsm_strides = tensor2 . strides ();
            let tsm_stride_0_tensor2 : isize = tsm_strides [0usize];
            let tsm_stride_1_tensor2 : isize = tsm_strides [1usize];
            type TsmDimensionType = :: ndarray :: Dim < [:: ndarray :: Ix ; 2usize]> ;
            let mut tsm_res = :: ndarray :: Array :: < _ , TsmDimensionType > :: uninit ((tsm_dim_0 , tsm_dim_1 ,));
            let mut tsm_res_ptr = tsm_res . as_mut_ptr ()as * mut _ ;
            fn tsm_unify < T , D > (_tensor : & :: ndarray :: Array :: < std :: mem :: MaybeUninit < T > , D > , _ptr : * mut T , _f : impl Fn ()-> T ,){}
            tsm_unify (& tsm_res , tsm_res_ptr , || {(* unsafe {& * tsm_ptr_tensor2})});
            for i in 0usize .. tsm_dim_0 {
                for j in 0usize .. tsm_dim_1 {
                    let tsm_value = {
                        let k = unsafe {:: tensorism :: Reindexing2 :: get_unchecked (& combine , i , j)};
                        (* unsafe {& * tsm_ptr_tensor2 . offset ((i as isize)* tsm_stride_0_tensor2 + (k as isize)* tsm_stride_1_tensor2)})
                    };
                    unsafe {tsm_res_ptr . write (tsm_value); tsm_res_ptr = tsm_res_ptr . add (1);}
                };
            };
            unsafe {tsm_res . assume_init ()}
        } "#
    );

    let format = format_new_ndarray!(for i j let k = sup[middle[sub[i, j], j]] => tensor3[k, j, i]);
    asserts::equivalent!(
        format,
        r#"{
            let tsm_dim_2 = :: tensorism :: Reindexing1 :: get_input0_bound (& sup);
            if tsm_dim_2 != :: tensorism :: Reindexing2 :: get_output_bound (& middle){
                panic ! ("Dimensions are not matching between sup[middle] and middle = middle[_, _]");
            };
            let tsm_dim_3 = :: tensorism :: Reindexing2 :: get_input0_bound (& middle);
            if tsm_dim_3 != :: tensorism :: Reindexing2 :: get_output_bound (& sub){
                panic ! ("Dimensions are not matching between middle[sub, _] and sub = sub[_, _]");
            };
            let tsm_dim_0 = :: tensorism :: Reindexing2 :: get_input0_bound (& sub);
            if tsm_dim_0 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor3). 2 {
                panic ! ("Dimensions are not matching between sub[i, _] and tensor3[_, _, i]");
            };
            let tsm_dim_1 = :: tensorism :: Reindexing2 :: get_input1_bound (& sub);
            if tsm_dim_1 != :: tensorism :: Reindexing2 :: get_input1_bound (& middle){
                panic ! ("Dimensions are not matching between sub[_, j] and middle[_, j]");
            };
            if tsm_dim_1 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor3). 1 {
                panic ! ("Dimensions are not matching between sub[_, j] and tensor3[_, j, _]");
            };
            let tsm_dim_4 = :: tensorism :: Reindexing1 :: get_output_bound (& sup);
            if tsm_dim_4 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor3). 0 {
                panic ! ("Dimensions are not matching between k = sup[_] and tensor3[k, _, _]");
            };
            let tsm_ptr_tensor3 : * const _ = tensor3 . as_ptr ();
            let tsm_strides = tensor3 . strides ();
            let tsm_stride_0_tensor3 : isize = tsm_strides [0usize];
            let tsm_stride_1_tensor3 : isize = tsm_strides [1usize];
            let tsm_stride_2_tensor3 : isize = tsm_strides [2usize];
            type TsmDimensionType = :: ndarray :: Dim < [:: ndarray :: Ix ; 2usize]> ;
            let mut tsm_res = :: ndarray :: Array :: < _ , TsmDimensionType > :: uninit ((tsm_dim_0 , tsm_dim_1 ,));
            let mut tsm_res_ptr = tsm_res . as_mut_ptr ()as * mut _ ;
            fn tsm_unify < T , D > (_tensor : & :: ndarray :: Array :: < std :: mem :: MaybeUninit < T > , D > , _ptr : * mut T , _f : impl Fn ()-> T ,){}
            tsm_unify (& tsm_res , tsm_res_ptr , || {(* unsafe {& * tsm_ptr_tensor3})});
            for i in 0usize .. tsm_dim_0 {
                for j in 0usize .. tsm_dim_1 {
                    let tsm_value = {
                        let k = unsafe {:: tensorism :: Reindexing1 :: get_unchecked (& sup , :: tensorism :: Reindexing2 :: get_unchecked (& middle , :: tensorism :: Reindexing2 :: get_unchecked (& sub , i , j), j))};
                        (* unsafe {& * tsm_ptr_tensor3 . offset ((k as isize)* tsm_stride_0_tensor3 + (j as isize)* tsm_stride_1_tensor3 + (i as isize)* tsm_stride_2_tensor3)})
                    };
                    unsafe {tsm_res_ptr . write (tsm_value); tsm_res_ptr = tsm_res_ptr . add (1);}
                };
            };
            unsafe {tsm_res . assume_init ()}
        } "#
    );

    let format = format_new_ndarray!(for i j => tensor3[sup[middle[sub[i, j], j]], j, i]);
    asserts::equivalent!(
        format,
        r#"{
            let tsm_dim_2 = :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor3). 0 ;
            if tsm_dim_2 != :: tensorism :: Reindexing1 :: get_output_bound (& sup){
                panic ! ("Dimensions are not matching between tensor3[sup, _, _] and sup = sup[_]");
            };
            let tsm_dim_3 = :: tensorism :: Reindexing1 :: get_input0_bound (& sup);
            if tsm_dim_3 != :: tensorism :: Reindexing2 :: get_output_bound (& middle){
                panic ! ("Dimensions are not matching between sup[middle] and middle = middle[_, _]");
            };
            let tsm_dim_4 = :: tensorism :: Reindexing2 :: get_input0_bound (& middle);
            if tsm_dim_4 != :: tensorism :: Reindexing2 :: get_output_bound (& sub){
                panic ! ("Dimensions are not matching between middle[sub, _] and sub = sub[_, _]");
            };
            let tsm_dim_0 = :: tensorism :: Reindexing2 :: get_input0_bound (& sub);
            if tsm_dim_0 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor3). 2 {
                panic ! ("Dimensions are not matching between sub[i, _] and tensor3[_, _, i]");
            };
            let tsm_dim_1 = :: tensorism :: Reindexing2 :: get_input1_bound (& sub);
            if tsm_dim_1 != :: tensorism :: Reindexing2 :: get_input1_bound (& middle){
                panic ! ("Dimensions are not matching between sub[_, j] and middle[_, j]");
            };
            if tsm_dim_1 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor3). 1 {
                panic ! ("Dimensions are not matching between sub[_, j] and tensor3[_, j, _]");
            };
            let tsm_ptr_tensor3 : * const _ = tensor3 . as_ptr ();
            let tsm_strides = tensor3 . strides ();
            let tsm_stride_0_tensor3 : isize = tsm_strides [0usize];
            let tsm_stride_1_tensor3 : isize = tsm_strides [1usize];
            let tsm_stride_2_tensor3 : isize = tsm_strides [2usize];
            type TsmDimensionType = :: ndarray :: Dim < [:: ndarray :: Ix ; 2usize]> ;
            let mut tsm_res = :: ndarray :: Array :: < _ , TsmDimensionType > :: uninit ((tsm_dim_0 , tsm_dim_1 ,));
            let mut tsm_res_ptr = tsm_res . as_mut_ptr ()as * mut _ ;
            fn tsm_unify < T , D > (_tensor : & :: ndarray :: Array :: < std :: mem :: MaybeUninit < T > , D > , _ptr : * mut T , _f : impl Fn ()-> T ,){}
            tsm_unify (& tsm_res , tsm_res_ptr , || {(* unsafe {& * tsm_ptr_tensor3})});
            for i in 0usize .. tsm_dim_0 {
                for j in 0usize .. tsm_dim_1 {
                    let tsm_value = {
                        (* unsafe {& * tsm_ptr_tensor3 . offset ((:: tensorism :: Reindexing1 :: get_unchecked (& sup , :: tensorism :: Reindexing2 :: get_unchecked (& middle , :: tensorism :: Reindexing2 :: get_unchecked (& sub , i , j), j))as isize)* tsm_stride_0_tensor3 + (j as isize)* tsm_stride_1_tensor3 + (i as isize)* tsm_stride_2_tensor3)})
                    };
                    unsafe {tsm_res_ptr . write (tsm_value); tsm_res_ptr = tsm_res_ptr . add (1);}
                };
            };
            unsafe {tsm_res . assume_init ()}
        } "#
    );
}

#[test]
fn reverse_alias_format() {
    let format = format_new_ndarray!(for i let j = rev: i => tensor1[j, i]);

    asserts::equivalent!(
        format,
        r#"{
            let tsm_dim_0 = :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor1). 1 ;
            let tsm_dim_1 = tsm_dim_0 ;
            if tsm_dim_1 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor1). 0 {
                panic ! ("Dimensions are not matching between j = _ and tensor1[j, _]");
            };
            let tsm_ptr_tensor1 : * const _ = tensor1 . as_ptr ();
            let tsm_strides = tensor1 . strides ();
            let tsm_stride_0_tensor1 : isize = tsm_strides [0usize];
            let tsm_stride_1_tensor1 : isize = tsm_strides [1usize];
            type TsmDimensionType = :: ndarray :: Dim < [:: ndarray :: Ix ; 1usize]> ;
            let mut tsm_res = :: ndarray :: Array :: < _ , TsmDimensionType > :: uninit ((tsm_dim_0 ,));
            let mut tsm_res_ptr = tsm_res . as_mut_ptr ()as * mut _ ;
            fn tsm_unify < T , D > (_tensor : & :: ndarray :: Array :: < std :: mem :: MaybeUninit < T > , D > , _ptr : * mut T , _f : impl Fn ()-> T ,){}
            tsm_unify (& tsm_res , tsm_res_ptr , || {(* unsafe {& * tsm_ptr_tensor1})});
            for i in 0usize .. tsm_dim_0 {
                let tsm_value = {
                    let j = (tsm_dim_0 - 1 - i);
                    (* unsafe {& * tsm_ptr_tensor1 . offset ((j as isize)* tsm_stride_0_tensor1 + (i as isize)* tsm_stride_1_tensor1)})
                };
                unsafe {tsm_res_ptr . write (tsm_value); tsm_res_ptr = tsm_res_ptr . add (1);}
            };
            unsafe {tsm_res . assume_init ()}
        } "#
    );
}

#[test]
fn reverse_alias_generation() {
    let tensor1 = Array2::<i32>::from_shape_fn((5, 5), |(j, i)| (j as i32) * (i as i32 + 6));
    let expected = Array1::<i32>::from_vec(vec![24, 21, 16, 9, 0]);

    let result = new_ndarray!(for i let j = rev: i => tensor1[j, i]);
    assert_eq!(expected, result);

    let result = new_ndarray!(for i => tensor1[rev: i, i]);
    assert_eq!(expected, result);
}

#[test]
fn direct_alias_format() {
    let format = format_new_ndarray!(for i let j = i => tensor1[j, i]);

    asserts::equivalent!(
        format,
        r#"{
            let tsm_dim_0 = :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor1). 1 ;
            let tsm_dim_1 = tsm_dim_0 ;
            if tsm_dim_1 != :: ndarray :: ArrayBase :: < _ , _ > :: dim (& tensor1). 0 {
                panic ! ("Dimensions are not matching between j = _ and tensor1[j, _]");
            };
            let tsm_ptr_tensor1 : * const _ = tensor1 . as_ptr ();
            let tsm_strides = tensor1 . strides ();
            let tsm_stride_0_tensor1 : isize = tsm_strides [0usize];
            let tsm_stride_1_tensor1 : isize = tsm_strides [1usize];
            type TsmDimensionType = :: ndarray :: Dim < [:: ndarray :: Ix ; 1usize]> ;
            let mut tsm_res = :: ndarray :: Array :: < _ , TsmDimensionType > :: uninit ((tsm_dim_0 ,));
            let mut tsm_res_ptr = tsm_res . as_mut_ptr ()as * mut _ ;
            fn tsm_unify < T , D > (_tensor : & :: ndarray :: Array :: < std :: mem :: MaybeUninit < T > , D > , _ptr : * mut T , _f : impl Fn ()-> T ,){}
            tsm_unify (& tsm_res , tsm_res_ptr , || {(* unsafe {& * tsm_ptr_tensor1})});
            for i in 0usize .. tsm_dim_0 {
                let tsm_value = {
                    let j = i ;
                    (* unsafe {& * tsm_ptr_tensor1 . offset ((j as isize)* tsm_stride_0_tensor1 + (i as isize)* tsm_stride_1_tensor1)})
                };
                unsafe {tsm_res_ptr . write (tsm_value); tsm_res_ptr = tsm_res_ptr . add (1);}
            };
            unsafe {tsm_res . assume_init ()}
        } "#
    );
}