Project Ne10
An Open Optimized Software Library Project for the ARM Architecture
NE10_identitymat.c
1 /*
2  * Copyright 2011-15 ARM Limited and Contributors.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  * * Redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer.
9  * * Redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution.
12  * * Neither the name of ARM Limited nor the
13  * names of its contributors may be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY ARM LIMITED AND CONTRIBUTORS "AS IS" AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED AND CONTRIBUTORS BE LIABLE FOR ANY
20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * NE10 Library : math/NE10_identitymat.c
30  */
31 
32 #include "NE10_types.h"
33 #include "macros.h"
34 
35 ne10_result_t ne10_identitymat_2x2f_c (ne10_mat2x2f_t * dst, ne10_uint32_t count)
36 {
37  ne10_mat2x2f_t *src = dst; // dummy placeholder
38 
39  NE10_DETMAT_OPERATION_X_C
40  (
41  dst[ itr ].c1.r1 = 1.0f;
42  dst[ itr ].c1.r2 = 0.0f;
43  dst[ itr ].c2.r1 = 0.0f;
44  dst[ itr ].c2.r2 = 1.0f;
45  );
46 }
47 
48 ne10_result_t ne10_identitymat_3x3f_c (ne10_mat3x3f_t * dst, ne10_uint32_t count)
49 {
50  ne10_mat3x3f_t *src = dst; // dummy placeholder
51 
52  NE10_DETMAT_OPERATION_X_C
53  (
54  dst[ itr ].c1.r1 = 1.0f;
55  dst[ itr ].c1.r2 = 0.0f;
56  dst[ itr ].c1.r3 = 0.0f;
57 
58  dst[ itr ].c2.r1 = 0.0f;
59  dst[ itr ].c2.r2 = 1.0f;
60  dst[ itr ].c2.r3 = 0.0f;
61 
62  dst[ itr ].c3.r1 = 0.0f;
63  dst[ itr ].c3.r2 = 0.0f;
64  dst[ itr ].c3.r3 = 1.0f;
65  );
66 }
67 
68 ne10_result_t ne10_identitymat_4x4f_c (ne10_mat4x4f_t * dst, ne10_uint32_t count)
69 {
70  ne10_mat4x4f_t *src = dst; // dummy placeholder
71 
72  NE10_DETMAT_OPERATION_X_C
73  (
74  dst[ itr ].c1.r1 = 1.0f;
75  dst[ itr ].c1.r2 = 0.0f;
76  dst[ itr ].c1.r3 = 0.0f;
77  dst[ itr ].c1.r4 = 0.0f;
78 
79  dst[ itr ].c2.r1 = 0.0f;
80  dst[ itr ].c2.r2 = 1.0f;
81  dst[ itr ].c2.r3 = 0.0f;
82  dst[ itr ].c2.r4 = 0.0f;
83 
84  dst[ itr ].c3.r1 = 0.0f;
85  dst[ itr ].c3.r2 = 0.0f;
86  dst[ itr ].c3.r3 = 1.0f;
87  dst[ itr ].c3.r4 = 0.0f;
88 
89  dst[ itr ].c4.r1 = 0.0f;
90  dst[ itr ].c4.r2 = 0.0f;
91  dst[ itr ].c4.r3 = 0.0f;
92  dst[ itr ].c4.r4 = 1.0f;
93  );
94 }