103 lines
3.6 KiB
C++
103 lines
3.6 KiB
C++
/******************************************************************************
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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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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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the NVIDIA CORPORATION nor the
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* names of its contributors may be used to endorse or promote products
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* derived from 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" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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#pragma once
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/**
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* \file
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* \brief Enumeration of dense matrix view transformations
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*/
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#include "printable.h"
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namespace cutlass {
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/******************************************************************************
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* matrix_transform_t
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******************************************************************************/
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/**
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* \brief Enumeration of dense matrix view transformations
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*
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* These enumerators (and corresponding tag types) describe which view
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* transformation needs to be applied prior to operation upon a given dense
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* matrix. Its values correspond to Fortran characters 'n' (non-transpose),
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* 't'(transpose) and 'c'(conjugate transpose) that are often
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* used as parameters to legacy BLAS implementations
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*/
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struct matrix_transform_t : printable_t
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{
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/// \brief Enumerants (same as CUBLAS)
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enum kind_t
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{
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/// Invalid view
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Invalid = -1,
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/// Non-transpose view
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NonTranspose = 0,
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/// Transpose view
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Transpose = 1,
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/// Conjugate transpose view
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ConjugateTranpose = 2,
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};
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/// Enumerant value
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kind_t kind;
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/// Default constructor
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matrix_transform_t() : kind(Invalid) {}
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/// Copy constructor
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matrix_transform_t(const kind_t &other_kind) : kind(other_kind) {}
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/// Cast to kind_t
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operator kind_t() const { return kind; }
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/// Returns the instance as a string
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__host__ __device__ inline
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char const* to_string() const
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{
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switch (kind)
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{
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case NonTranspose: return "NonTranspose";
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case Transpose: return "Transpose";
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case ConjugateTranpose: return "ConjugateTranpose";
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default: return "Invalid";
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}
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}
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/// Insert the formatted instance into the output stream
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void print(std::ostream& out) const { out << to_string(); }
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};
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} // namespace cutlass
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