1 /*
2  * Copyright 2016 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "Sk4x4f.h"
9 #include "Test.h"
10 
11 DEF_TEST(Sk4x4f, r) {
12     Sk4x4f f;
13 
14     Sk4f x{ 0, 1, 2, 3},
15          y{ 4, 5, 6, 7},
16          z{ 8, 9,10,11},
17          w{12,13,14,15};
18     f = Sk4x4f::Transpose(x,y,z,w);
19     REPORTER_ASSERT(r, f.r[0] == 0 && f.r[1] == 4 && f.r[2] ==  8 && f.r[3] == 12);
20     REPORTER_ASSERT(r, f.g[0] == 1 && f.g[1] == 5 && f.g[2] ==  9 && f.g[3] == 13);
21     REPORTER_ASSERT(r, f.b[0] == 2 && f.b[1] == 6 && f.b[2] == 10 && f.b[3] == 14);
22     REPORTER_ASSERT(r, f.a[0] == 3 && f.a[1] == 7 && f.a[2] == 11 && f.a[3] == 15);
23 
24     Sk4f s,t,u,v;
25     f.transpose(&s,&t,&u,&v);
26     REPORTER_ASSERT(r, (x == s).allTrue()
27                     && (y == t).allTrue()
28                     && (z == u).allTrue()
29                     && (w == v).allTrue());
30 
31 
32     float fs[16] = {0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15};
33     f = Sk4x4f::Transpose(fs);
34     REPORTER_ASSERT(r, f.r[0] == 0 && f.r[1] == 4 && f.r[2] ==  8 && f.r[3] == 12);
35     REPORTER_ASSERT(r, f.g[0] == 1 && f.g[1] == 5 && f.g[2] ==  9 && f.g[3] == 13);
36     REPORTER_ASSERT(r, f.b[0] == 2 && f.b[1] == 6 && f.b[2] == 10 && f.b[3] == 14);
37     REPORTER_ASSERT(r, f.a[0] == 3 && f.a[1] == 7 && f.a[2] == 11 && f.a[3] == 15);
38 
39     float fs_back[16];
40     f.transpose(fs_back);
41     REPORTER_ASSERT(r, 0 == memcmp(fs, fs_back, sizeof(fs)));
42 
43 
44     uint8_t bs[16] = {0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15};
45     f = Sk4x4f::Transpose(bs);
46     REPORTER_ASSERT(r, f.r[0] == 0 && f.r[1] == 4 && f.r[2] ==  8 && f.r[3] == 12);
47     REPORTER_ASSERT(r, f.g[0] == 1 && f.g[1] == 5 && f.g[2] ==  9 && f.g[3] == 13);
48     REPORTER_ASSERT(r, f.b[0] == 2 && f.b[1] == 6 && f.b[2] == 10 && f.b[3] == 14);
49     REPORTER_ASSERT(r, f.a[0] == 3 && f.a[1] == 7 && f.a[2] == 11 && f.a[3] == 15);
50 
51     uint8_t bs_back[16];
52     f.transpose(bs_back);
53     REPORTER_ASSERT(r, 0 == memcmp(bs, bs_back, sizeof(bs)));
54 }
55