91 lines
3.5 KiB
Plaintext
91 lines
3.5 KiB
Plaintext
/***************************************************************************************************
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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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/*! \file
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\brief Statically sized array of elements that accommodates all CUTLASS-supported numeric types
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and is safe to use in a union.
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*/
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#include "../common/cutlass_unit_test.h"
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#include "cutlass/array.h"
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#include "cutlass/numeric_conversion.h"
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#include "cutlass/util/device_memory.h"
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/////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Host
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//
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/////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(half_t, host_conversion) {
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for (int i = -1024; i < 1024; ++i) {
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float f = static_cast<float>(i);
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cutlass::half_t x = static_cast<cutlass::half_t>(i);
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cutlass::half_t y = static_cast<cutlass::half_t>(f);
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EXPECT_TRUE(static_cast<int>(x) == i);
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EXPECT_TRUE(static_cast<float>(y) == f);
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}
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// Try out default-ctor (zero initialization of primitive proxy type)
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EXPECT_TRUE(cutlass::half_t() == 0.0_hf);
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// Try out user-defined literals
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EXPECT_TRUE(cutlass::half_t(7) == 7_hf);
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EXPECT_TRUE(7 == static_cast<int>(7_hf));
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}
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TEST(half_t, host_arithmetic) {
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for (int i = -100; i < 100; ++i) {
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for (int j = -100; j < 100; ++j) {
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cutlass::half_t x = static_cast<cutlass::half_t>(i);
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cutlass::half_t y = static_cast<cutlass::half_t>(j);
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EXPECT_TRUE(static_cast<int>(x + y) == (i + j));
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}
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}
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for (int i = -6; i < 6; ++i) {
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for (int j = -6; j < 6; ++j) {
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cutlass::half_t x = static_cast<cutlass::half_t>(i);
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cutlass::half_t y = static_cast<cutlass::half_t>(j);
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EXPECT_TRUE(static_cast<int>(x * y) == (i * j));
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}
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}
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////
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