55 строки
2.1 KiB
C++
55 строки
2.1 KiB
C++
/*Daala video codec
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Copyright (c) 2013 Daala project contributors. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*/
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#include <stdlib.h>
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/acm_random.h"
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#include "av1/common/odintrin.h"
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using libaom_test::ACMRandom;
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TEST(Daala, TestDIVUuptoMAX) {
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for (int d = 1; d <= OD_DIVU_DMAX; d++) {
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for (uint32_t x = 1; x <= 1000000; x++) {
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GTEST_ASSERT_EQ(x / d, OD_DIVU_SMALL(x, d))
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<< "x=" << x << " d=" << d << " x/d=" << (x / d)
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<< " != " << OD_DIVU_SMALL(x, d);
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}
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}
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}
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TEST(Daala, TestDIVUrandI31) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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for (int d = 1; d < OD_DIVU_DMAX; d++) {
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for (int i = 0; i < 1000000; i++) {
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uint32_t x = rnd.Rand31();
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GTEST_ASSERT_EQ(x / d, OD_DIVU_SMALL(x, d))
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<< "x=" << x << " d=" << d << " x/d=" << (x / d)
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<< " != " << OD_DIVU_SMALL(x, d);
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}
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}
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}
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