85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
/***************************************************************************************************
|
|
* Copyright (c) 2017 - 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
**************************************************************************************************/
|
|
|
|
#include "cutlass_unit_test.h"
|
|
|
|
#include <iostream>
|
|
#include <iomanip>
|
|
#include <utility>
|
|
#include <type_traits>
|
|
#include <vector>
|
|
#include <numeric>
|
|
|
|
#include <cute/tensor.hpp>
|
|
#include <cute/container/bit_field.hpp>
|
|
|
|
using namespace cute;
|
|
|
|
TEST(CuTe_core, Bitfield)
|
|
{
|
|
for_each(make_int_range<1,65>{}, [&](auto NumBits) {
|
|
for_each(make_int_range<0,129>{}, [&](auto BitStart) {
|
|
|
|
using BF = bit_field<decltype(BitStart)::value, decltype(NumBits)::value>;
|
|
|
|
#if 0
|
|
printf("bit_field<%d,%d>:\n", decltype(BitStart)::value, decltype(NumBits)::value);
|
|
printf(" value_type_bits : %d\n", BF::value_type_bits);
|
|
printf(" storage_type_bits: %d\n", BF::storage_type_bits);
|
|
printf(" N : %d\n", BF::N);
|
|
printf(" idx : %d\n", BF::idx);
|
|
printf(" bit_lo : %d\n", BF::bit_lo);
|
|
printf(" bit_hi : %d\n", BF::bit_hi);
|
|
printf(" mask : 0x%lx\n", uint64_t(BF::mask));
|
|
printf(" mask_lo : 0x%lx\n", uint64_t(BF::mask_lo));
|
|
printf(" mask_hi : 0x%lx\n", uint64_t(BF::mask_hi));
|
|
#endif
|
|
|
|
// Test
|
|
uint64_t v = decltype(NumBits)::value == 64 ? uint64_t(-1) : ((uint64_t(1) << NumBits) - 1);
|
|
|
|
BF bf{};
|
|
bf = v;
|
|
EXPECT_EQ(v, uint64_t(bf));
|
|
});
|
|
});
|
|
|
|
for_each(make_int_range<0,129>{}, [&](auto BitStart) {
|
|
|
|
using BF = bit_field<decltype(BitStart)::value, 32, float>;
|
|
|
|
BF bf{};
|
|
bf = 3.14f;
|
|
EXPECT_EQ(3.14f, float(bf));
|
|
});
|
|
|
|
}
|