73 lines
3.1 KiB
C++
73 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "test.h"
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#include "runtime/utilities/numeric.h"
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#include <type_traits>
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using namespace OCLRT;
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TEST(StorageTypeTest, whenGivenNumberOfBitsThenPicksIntegerTypeThatIsLargeEnough) {
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static_assert(std::is_same<uint8_t, StorageTypeT<0>>::value, "");
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static_assert(std::is_same<uint8_t, StorageTypeT<1>>::value, "");
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static_assert(std::is_same<uint8_t, StorageTypeT<8>>::value, "");
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static_assert(std::is_same<uint16_t, StorageTypeT<9>>::value, "");
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static_assert(std::is_same<uint16_t, StorageTypeT<16>>::value, "");
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static_assert(std::is_same<uint32_t, StorageTypeT<17>>::value, "");
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static_assert(std::is_same<uint32_t, StorageTypeT<32>>::value, "");
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static_assert(std::is_same<uint64_t, StorageTypeT<33>>::value, "");
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static_assert(std::is_same<uint64_t, StorageTypeT<60>>::value, "");
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static_assert(std::is_same<uint64_t, StorageTypeT<64>>::value, "");
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}
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TEST(FixedU4D8, whenGetMaxRepresentableFloatingPointValueIsCalledThenProperValueIsReturned) {
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constexpr float maxU4D8 = 15.99609375f;
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static_assert(maxU4D8 == FixedU4D8::getMaxRepresentableFloat(), "");
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}
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TEST(FixedU4D8, whenCreatingFromTooBigFloatThenValueIsClamped) {
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constexpr float maxU4D8 = FixedU4D8::getMaxRepresentableFloat();
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FixedU4D8 u4d8Max{maxU4D8};
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FixedU4D8 u4d8MaxPlus1{maxU4D8 + 1};
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EXPECT_EQ(u4d8Max.getRawAccess(), u4d8MaxPlus1.getRawAccess());
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EXPECT_EQ((1U << (4 + 8)) - 1, u4d8Max.getRawAccess()); // all 12 bits should be set
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EXPECT_EQ(maxU4D8, u4d8Max.asFloat());
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}
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TEST(FixedU4D8, whenCreatingFromNegativeFloatThenValueIsClamped) {
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FixedU4D8 u4d8Zero{0.0f};
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FixedU4D8 u4d8Minus1{-1.0f};
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EXPECT_EQ(u4d8Zero.getRawAccess(), u4d8Minus1.getRawAccess());
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EXPECT_EQ(0U, u4d8Zero.getRawAccess()); // all bits should be cleaned
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EXPECT_EQ(0.0f, u4d8Zero.asFloat());
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}
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TEST(FixedU4D8, whenCreatingFromRepresentableFloatThenCorrectValueIsPreserved) {
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constexpr float someValue = 3.5f;
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FixedU4D8 u4d8{someValue};
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EXPECT_EQ(someValue, u4d8.asFloat());
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}
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