mtklein | c9adb05 | 2015-03-30 10:50:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 "SkNx.h" |
| 9 | #include "Test.h" |
| 10 | |
| 11 | template <int N, typename T> |
| 12 | static void test_Nf(skiatest::Reporter* r) { |
| 13 | |
| 14 | auto assert_nearly_eq = [&](double eps, const SkNf<N,T>& v, T a, T b, T c, T d) { |
| 15 | auto close = [=](T a, T b) { return fabs(a-b) <= eps; }; |
| 16 | T vals[4]; |
| 17 | v.store(vals); |
mtklein | a156a8f | 2015-04-03 06:16:13 -0700 | [diff] [blame] | 18 | bool ok = close(vals[0], a) && close(vals[1], b) |
| 19 | && close(v.template kth<0>(), a) && close(v.template kth<1>(), b); |
| 20 | REPORTER_ASSERT(r, ok); |
mtklein | c9adb05 | 2015-03-30 10:50:27 -0700 | [diff] [blame] | 21 | if (N == 4) { |
mtklein | a156a8f | 2015-04-03 06:16:13 -0700 | [diff] [blame] | 22 | ok = close(vals[2], c) && close(vals[3], d) |
| 23 | && close(v.template kth<2>(), c) && close(v.template kth<3>(), d); |
| 24 | REPORTER_ASSERT(r, ok); |
mtklein | c9adb05 | 2015-03-30 10:50:27 -0700 | [diff] [blame] | 25 | } |
| 26 | }; |
| 27 | auto assert_eq = [&](const SkNf<N,T>& v, T a, T b, T c, T d) { |
| 28 | return assert_nearly_eq(0, v, a,b,c,d); |
| 29 | }; |
| 30 | |
| 31 | T vals[] = {3, 4, 5, 6}; |
| 32 | SkNf<N,T> a = SkNf<N,T>::Load(vals), |
| 33 | b(a), |
| 34 | c = a; |
| 35 | SkNf<N,T> d; |
| 36 | d = a; |
| 37 | |
| 38 | assert_eq(a, 3, 4, 5, 6); |
| 39 | assert_eq(b, 3, 4, 5, 6); |
| 40 | assert_eq(c, 3, 4, 5, 6); |
| 41 | assert_eq(d, 3, 4, 5, 6); |
| 42 | |
| 43 | assert_eq(a+b, 6, 8, 10, 12); |
| 44 | assert_eq(a*b, 9, 16, 25, 36); |
| 45 | assert_eq(a*b-b, 6, 12, 20, 30); |
| 46 | assert_eq((a*b).sqrt(), 3, 4, 5, 6); |
| 47 | assert_eq(a/b, 1, 1, 1, 1); |
| 48 | assert_eq(-a, -3, -4, -5, -6); |
| 49 | |
| 50 | SkNf<N,T> fours(4); |
| 51 | |
| 52 | assert_eq(fours.sqrt(), 2,2,2,2); |
| 53 | assert_nearly_eq(0.001, fours.rsqrt(), 0.5, 0.5, 0.5, 0.5); |
| 54 | |
| 55 | assert_eq( fours. invert(), 0.25, 0.25, 0.25, 0.25); |
| 56 | assert_nearly_eq(0.001, fours.approxInvert(), 0.25, 0.25, 0.25, 0.25); |
| 57 | |
| 58 | assert_eq(SkNf<N,T>::Min(a, fours), 3, 4, 4, 4); |
| 59 | assert_eq(SkNf<N,T>::Max(a, fours), 4, 4, 5, 6); |
| 60 | |
| 61 | // Test some comparisons. This is not exhaustive. |
| 62 | REPORTER_ASSERT(r, (a == b).allTrue()); |
| 63 | REPORTER_ASSERT(r, (a+b == a*b-b).anyTrue()); |
| 64 | REPORTER_ASSERT(r, !(a+b == a*b-b).allTrue()); |
| 65 | REPORTER_ASSERT(r, !(a+b == a*b).anyTrue()); |
| 66 | REPORTER_ASSERT(r, !(a != b).anyTrue()); |
| 67 | REPORTER_ASSERT(r, (a < fours).anyTrue()); |
| 68 | REPORTER_ASSERT(r, (a <= fours).anyTrue()); |
| 69 | REPORTER_ASSERT(r, !(a > fours).allTrue()); |
| 70 | REPORTER_ASSERT(r, !(a >= fours).allTrue()); |
| 71 | } |
| 72 | |
| 73 | DEF_TEST(SkNf, r) { |
| 74 | test_Nf<2, float>(r); |
| 75 | test_Nf<2, double>(r); |
| 76 | |
| 77 | test_Nf<4, float>(r); |
| 78 | test_Nf<4, double>(r); |
| 79 | } |
mtklein | 115acee | 2015-04-14 14:02:52 -0700 | [diff] [blame] | 80 | |
| 81 | template <int N, typename T> |
| 82 | void test_Ni(skiatest::Reporter* r) { |
| 83 | auto assert_eq = [&](const SkNi<N,T>& v, T a, T b, T c, T d, T e, T f, T g, T h) { |
| 84 | T vals[8]; |
| 85 | v.store(vals); |
| 86 | |
| 87 | switch (N) { |
| 88 | case 8: REPORTER_ASSERT(r, vals[4] == e && vals[5] == f && vals[6] == g && vals[7] == h); |
| 89 | case 4: REPORTER_ASSERT(r, vals[2] == c && vals[3] == d); |
| 90 | case 2: REPORTER_ASSERT(r, vals[0] == a && vals[1] == b); |
| 91 | } |
mtklein | 1113da7 | 2015-04-27 12:08:01 -0700 | [diff] [blame^] | 92 | switch (N) { |
| 93 | case 8: REPORTER_ASSERT(r, v.template kth<4>() == e && v.template kth<5>() == f && |
| 94 | v.template kth<6>() == g && v.template kth<7>() == h); |
| 95 | case 4: REPORTER_ASSERT(r, v.template kth<2>() == c && v.template kth<3>() == d); |
| 96 | case 2: REPORTER_ASSERT(r, v.template kth<0>() == a && v.template kth<1>() == b); |
| 97 | } |
mtklein | 115acee | 2015-04-14 14:02:52 -0700 | [diff] [blame] | 98 | }; |
| 99 | |
| 100 | T vals[] = { 1,2,3,4,5,6,7,8 }; |
| 101 | SkNi<N,T> a = SkNi<N,T>::Load(vals), |
| 102 | b(a), |
| 103 | c = a; |
| 104 | SkNi<N,T> d; |
| 105 | d = a; |
| 106 | |
| 107 | assert_eq(a, 1,2,3,4,5,6,7,8); |
| 108 | assert_eq(b, 1,2,3,4,5,6,7,8); |
| 109 | assert_eq(c, 1,2,3,4,5,6,7,8); |
| 110 | assert_eq(d, 1,2,3,4,5,6,7,8); |
| 111 | |
| 112 | assert_eq(a+a, 2,4,6,8,10,12,14,16); |
| 113 | assert_eq(a*a, 1,4,9,16,25,36,49,64); |
| 114 | assert_eq(a*a-a, 0,2,6,12,20,30,42,56); |
| 115 | |
| 116 | assert_eq(a >> 2, 0,0,0,1,1,1,1,2); |
| 117 | assert_eq(a << 1, 2,4,6,8,10,12,14,16); |
| 118 | |
| 119 | REPORTER_ASSERT(r, a.template kth<1>() == 2); |
| 120 | } |
| 121 | |
| 122 | DEF_TEST(SkNi, r) { |
| 123 | test_Ni<2, uint16_t>(r); |
| 124 | test_Ni<4, uint16_t>(r); |
| 125 | test_Ni<8, uint16_t>(r); |
mtklein | 1113da7 | 2015-04-27 12:08:01 -0700 | [diff] [blame^] | 126 | |
| 127 | test_Ni<2, int>(r); |
| 128 | test_Ni<4, int>(r); |
| 129 | test_Ni<8, int>(r); |
mtklein | 115acee | 2015-04-14 14:02:52 -0700 | [diff] [blame] | 130 | } |