152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
/***************************************************************************************************
|
|
* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification, are permitted
|
|
* provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright notice, this list of
|
|
* conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name of the NVIDIA CORPORATION 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 NVIDIA CORPORATION 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 TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
**************************************************************************************************/
|
|
/*! \file
|
|
\brief Defines a canonical coordinate for rank=2 matrices offering named indices.
|
|
*/
|
|
#pragma once
|
|
|
|
#include "cutlass/cutlass.h"
|
|
#include "cutlass/coord.h"
|
|
|
|
namespace cutlass {
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/// MatrixCoord wraps Coord<2, int> to provide a helper for accessing named dimensions. Classes
|
|
/// expecting a coordinate in the rank=2 index space of a matrix should use MatrixCoord.
|
|
struct MatrixCoord : public Coord<2, int> {
|
|
|
|
public:
|
|
|
|
/// Integer-valued index
|
|
using Index = int;
|
|
|
|
/// Base type is a Coord of rank=2
|
|
using Base = Coord<2, Index>;
|
|
|
|
private:
|
|
|
|
/// Rows dimension
|
|
static int const kRow = 0;
|
|
|
|
/// Columns dimension
|
|
static int const kColumn = 1;
|
|
|
|
public:
|
|
|
|
//
|
|
// Methods
|
|
//
|
|
|
|
/// Default ctor
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord() { }
|
|
|
|
/// Constructs from Coord<2>
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord(Coord<2, Index> const &coord): Base(coord) { }
|
|
|
|
/// Helper to construct from a row and column
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord(Index row, Index column): Base(make_Coord(row, column)) { }
|
|
|
|
/// Returns the row of the coordinate
|
|
CUTLASS_HOST_DEVICE
|
|
Index const & row() const { return this->at(kRow); }
|
|
|
|
/// Returns the row of the coordinate
|
|
CUTLASS_HOST_DEVICE
|
|
Index & row() { return this->at(kRow); }
|
|
|
|
/// Returns the column of the coordinate
|
|
CUTLASS_HOST_DEVICE
|
|
Index const & column() const { return this->at(kColumn); }
|
|
|
|
/// Returns the column of the coordinate
|
|
CUTLASS_HOST_DEVICE
|
|
Index & column() { return this->at(kColumn); }
|
|
|
|
//
|
|
// Coord operators
|
|
//
|
|
|
|
/// Element-wise addition
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord operator+(Base const& b) const {
|
|
return MatrixCoord(Base::operator+(b));
|
|
}
|
|
|
|
/// Element-wise subtraction
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord operator-(Base const& b) const {
|
|
return MatrixCoord(Base::operator-(b));
|
|
}
|
|
|
|
/// Element-wise multiplication
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord operator*(Base const& b) const {
|
|
return MatrixCoord(Base::operator*(b));
|
|
}
|
|
|
|
/// Element-wise division
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord operator/(Base const& b) const {
|
|
return MatrixCoord(Base::operator/(b));
|
|
}
|
|
|
|
/// In-place addition
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord& operator+=(Base const& b) {
|
|
Base::operator+=(b);
|
|
return *this;
|
|
}
|
|
|
|
/// In-place subtraction
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord& operator-=(Base const& b) {
|
|
Base::operator-=(b);
|
|
return *this;
|
|
}
|
|
|
|
/// In-place multiplication
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord& operator*=(Base const& b) {
|
|
Base::operator*=(b);
|
|
return *this;
|
|
}
|
|
|
|
/// In-place division
|
|
CUTLASS_HOST_DEVICE
|
|
MatrixCoord& operator/=(Base const& b) {
|
|
Base::operator/=(b);
|
|
return *this;
|
|
}
|
|
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
} // namespace cutlass
|