summaryrefslogtreecommitdiffstats
path: root/third_party/aom/test/hadamard_test.cc
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/aom/test/hadamard_test.cc')
-rw-r--r--third_party/aom/test/hadamard_test.cc221
1 files changed, 0 insertions, 221 deletions
diff --git a/third_party/aom/test/hadamard_test.cc b/third_party/aom/test/hadamard_test.cc
deleted file mode 100644
index db5cb7474..000000000
--- a/third_party/aom/test/hadamard_test.cc
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#include <algorithm>
-
-#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
-
-#include "./aom_dsp_rtcd.h"
-
-#include "test/acm_random.h"
-#include "test/register_state_check.h"
-
-namespace {
-
-using ::libaom_test::ACMRandom;
-
-typedef void (*HadamardFunc)(const int16_t *a, int a_stride, int16_t *b);
-
-void hadamard_loop(const int16_t *a, int a_stride, int16_t *out) {
- int16_t b[8];
- for (int i = 0; i < 8; i += 2) {
- b[i + 0] = a[i * a_stride] + a[(i + 1) * a_stride];
- b[i + 1] = a[i * a_stride] - a[(i + 1) * a_stride];
- }
- int16_t c[8];
- for (int i = 0; i < 8; i += 4) {
- c[i + 0] = b[i + 0] + b[i + 2];
- c[i + 1] = b[i + 1] + b[i + 3];
- c[i + 2] = b[i + 0] - b[i + 2];
- c[i + 3] = b[i + 1] - b[i + 3];
- }
- out[0] = c[0] + c[4];
- out[7] = c[1] + c[5];
- out[3] = c[2] + c[6];
- out[4] = c[3] + c[7];
- out[2] = c[0] - c[4];
- out[6] = c[1] - c[5];
- out[1] = c[2] - c[6];
- out[5] = c[3] - c[7];
-}
-
-void reference_hadamard8x8(const int16_t *a, int a_stride, int16_t *b) {
- int16_t buf[64];
- for (int i = 0; i < 8; ++i) {
- hadamard_loop(a + i, a_stride, buf + i * 8);
- }
-
- for (int i = 0; i < 8; ++i) {
- hadamard_loop(buf + i, 8, b + i * 8);
- }
-}
-
-void reference_hadamard16x16(const int16_t *a, int a_stride, int16_t *b) {
- /* The source is a 16x16 block. The destination is rearranged to 8x32.
- * Input is 9 bit. */
- reference_hadamard8x8(a + 0 + 0 * a_stride, a_stride, b + 0);
- reference_hadamard8x8(a + 8 + 0 * a_stride, a_stride, b + 64);
- reference_hadamard8x8(a + 0 + 8 * a_stride, a_stride, b + 128);
- reference_hadamard8x8(a + 8 + 8 * a_stride, a_stride, b + 192);
-
- /* Overlay the 8x8 blocks and combine. */
- for (int i = 0; i < 64; ++i) {
- /* 8x8 steps the range up to 15 bits. */
- const int16_t a0 = b[0];
- const int16_t a1 = b[64];
- const int16_t a2 = b[128];
- const int16_t a3 = b[192];
-
- /* Prevent the result from escaping int16_t. */
- const int16_t b0 = (a0 + a1) >> 1;
- const int16_t b1 = (a0 - a1) >> 1;
- const int16_t b2 = (a2 + a3) >> 1;
- const int16_t b3 = (a2 - a3) >> 1;
-
- /* Store a 16 bit value. */
- b[0] = b0 + b2;
- b[64] = b1 + b3;
- b[128] = b0 - b2;
- b[192] = b1 - b3;
-
- ++b;
- }
-}
-
-class HadamardTestBase : public ::testing::TestWithParam<HadamardFunc> {
- public:
- virtual void SetUp() {
- h_func_ = GetParam();
- rnd_.Reset(ACMRandom::DeterministicSeed());
- }
-
- protected:
- HadamardFunc h_func_;
- ACMRandom rnd_;
-};
-
-class Hadamard8x8Test : public HadamardTestBase {};
-
-TEST_P(Hadamard8x8Test, CompareReferenceRandom) {
- DECLARE_ALIGNED(16, int16_t, a[64]);
- DECLARE_ALIGNED(16, int16_t, b[64]);
- int16_t b_ref[64];
- for (int i = 0; i < 64; ++i) {
- a[i] = rnd_.Rand9Signed();
- }
- memset(b, 0, sizeof(b));
- memset(b_ref, 0, sizeof(b_ref));
-
- reference_hadamard8x8(a, 8, b_ref);
- ASM_REGISTER_STATE_CHECK(h_func_(a, 8, b));
-
- // The order of the output is not important. Sort before checking.
- std::sort(b, b + 64);
- std::sort(b_ref, b_ref + 64);
- EXPECT_EQ(0, memcmp(b, b_ref, sizeof(b)));
-}
-
-TEST_P(Hadamard8x8Test, VaryStride) {
- DECLARE_ALIGNED(16, int16_t, a[64 * 8]);
- DECLARE_ALIGNED(16, int16_t, b[64]);
- int16_t b_ref[64];
- for (int i = 0; i < 64 * 8; ++i) {
- a[i] = rnd_.Rand9Signed();
- }
-
- for (int i = 8; i < 64; i += 8) {
- memset(b, 0, sizeof(b));
- memset(b_ref, 0, sizeof(b_ref));
-
- reference_hadamard8x8(a, i, b_ref);
- ASM_REGISTER_STATE_CHECK(h_func_(a, i, b));
-
- // The order of the output is not important. Sort before checking.
- std::sort(b, b + 64);
- std::sort(b_ref, b_ref + 64);
- EXPECT_EQ(0, memcmp(b, b_ref, sizeof(b)));
- }
-}
-
-INSTANTIATE_TEST_CASE_P(C, Hadamard8x8Test,
- ::testing::Values(&aom_hadamard_8x8_c));
-
-#if HAVE_SSE2
-INSTANTIATE_TEST_CASE_P(SSE2, Hadamard8x8Test,
- ::testing::Values(&aom_hadamard_8x8_sse2));
-#endif // HAVE_SSE2
-
-#if HAVE_SSSE3 && ARCH_X86_64
-INSTANTIATE_TEST_CASE_P(SSSE3, Hadamard8x8Test,
- ::testing::Values(&aom_hadamard_8x8_ssse3));
-#endif // HAVE_SSSE3 && ARCH_X86_64
-
-#if HAVE_NEON
-INSTANTIATE_TEST_CASE_P(NEON, Hadamard8x8Test,
- ::testing::Values(&aom_hadamard_8x8_neon));
-#endif // HAVE_NEON
-
-class Hadamard16x16Test : public HadamardTestBase {};
-
-TEST_P(Hadamard16x16Test, CompareReferenceRandom) {
- DECLARE_ALIGNED(16, int16_t, a[16 * 16]);
- DECLARE_ALIGNED(16, int16_t, b[16 * 16]);
- int16_t b_ref[16 * 16];
- for (int i = 0; i < 16 * 16; ++i) {
- a[i] = rnd_.Rand9Signed();
- }
- memset(b, 0, sizeof(b));
- memset(b_ref, 0, sizeof(b_ref));
-
- reference_hadamard16x16(a, 16, b_ref);
- ASM_REGISTER_STATE_CHECK(h_func_(a, 16, b));
-
- // The order of the output is not important. Sort before checking.
- std::sort(b, b + 16 * 16);
- std::sort(b_ref, b_ref + 16 * 16);
- EXPECT_EQ(0, memcmp(b, b_ref, sizeof(b)));
-}
-
-TEST_P(Hadamard16x16Test, VaryStride) {
- DECLARE_ALIGNED(16, int16_t, a[16 * 16 * 8]);
- DECLARE_ALIGNED(16, int16_t, b[16 * 16]);
- int16_t b_ref[16 * 16];
- for (int i = 0; i < 16 * 16 * 8; ++i) {
- a[i] = rnd_.Rand9Signed();
- }
-
- for (int i = 8; i < 64; i += 8) {
- memset(b, 0, sizeof(b));
- memset(b_ref, 0, sizeof(b_ref));
-
- reference_hadamard16x16(a, i, b_ref);
- ASM_REGISTER_STATE_CHECK(h_func_(a, i, b));
-
- // The order of the output is not important. Sort before checking.
- std::sort(b, b + 16 * 16);
- std::sort(b_ref, b_ref + 16 * 16);
- EXPECT_EQ(0, memcmp(b, b_ref, sizeof(b)));
- }
-}
-
-INSTANTIATE_TEST_CASE_P(C, Hadamard16x16Test,
- ::testing::Values(&aom_hadamard_16x16_c));
-
-#if HAVE_SSE2
-INSTANTIATE_TEST_CASE_P(SSE2, Hadamard16x16Test,
- ::testing::Values(&aom_hadamard_16x16_sse2));
-#endif // HAVE_SSE2
-
-#if HAVE_NEON
-INSTANTIATE_TEST_CASE_P(NEON, Hadamard16x16Test,
- ::testing::Values(&aom_hadamard_16x16_neon));
-#endif // HAVE_NEON
-} // namespace
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-26 15:55:01 +0000