87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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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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*
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* 1. 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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*
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* 2. 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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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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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 HOLDER 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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*
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**************************************************************************************************/
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#include "cutlass_unit_test.h"
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#include <iostream>
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#include <iomanip>
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#include <utility>
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#include <type_traits>
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#include <vector>
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#include <numeric>
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#include <cute/container/bit_field.hpp>
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#include <cute/algorithm/tuple_algorithms.hpp>
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using namespace cute;
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TEST(CuTe_core, Bitfield)
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{
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for_each(make_int_range<1,65>{}, [&](auto NumBits) {
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constexpr auto num_bits = cute::remove_cvref_t<decltype(NumBits)>::value;
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for_each(make_int_range<0, 129>{}, [&](auto BitStart) {
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constexpr auto bit_start = cute::remove_cvref_t<decltype(BitStart)>::value;
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using BF = bit_field<bit_start, cute::remove_cvref_t<decltype(NumBits)>::value>;
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#if 0
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printf("bit_field<%d,%d>:\n", bit_start, num_bits);
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printf(" value_type_bits : %d\n", BF::value_type_bits);
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printf(" storage_type_bits: %d\n", BF::storage_type_bits);
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printf(" N : %d\n", BF::N);
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printf(" idx : %d\n", BF::idx);
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printf(" bit_lo : %d\n", BF::bit_lo);
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printf(" bit_hi : %d\n", BF::bit_hi);
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printf(" mask : 0x%lx\n", uint64_t(BF::mask));
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printf(" mask_lo : 0x%lx\n", uint64_t(BF::mask_lo));
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printf(" mask_hi : 0x%lx\n", uint64_t(BF::mask_hi));
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#endif
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// Test
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uint64_t v = num_bits == 64 ? uint64_t(-1) : ((uint64_t(1) << NumBits) - 1);
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BF bf{};
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bf = v;
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EXPECT_EQ(v, uint64_t(bf));
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});
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});
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for_each(make_int_range<0,129>{}, [&](auto BitStart) {
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using BF = bit_field<cute::remove_cvref_t<decltype(BitStart)>::value, 32, float>;
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BF bf{};
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bf = 3.14f;
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EXPECT_EQ(3.14f, float(bf));
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});
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}
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