mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-11-29 04:49:18 +08:00
81 lines
4.0 KiB
Plaintext
81 lines
4.0 KiB
Plaintext
/* Copyright (c) 2022, 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 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 ``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 OWNER 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.
|
|
*/
|
|
|
|
/* Computation of eigenvalues of a small bidiagonal matrix */
|
|
|
|
#ifndef _BISECT_SMALL_CUH_
|
|
#define _BISECT_SMALL_CUH_
|
|
|
|
extern "C" {
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//! Determine eigenvalues for matrices smaller than MAX_SMALL_MATRIX
|
|
//! @param TimingIterations number of iterations for timing
|
|
//! @param input handles to input data of kernel
|
|
//! @param result handles to result of kernel
|
|
//! @param mat_size matrix size
|
|
//! @param lg lower limit of Gerschgorin interval
|
|
//! @param ug upper limit of Gerschgorin interval
|
|
//! @param precision desired precision of eigenvalues
|
|
//! @param iterations number of iterations for timing
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void computeEigenvaluesSmallMatrix(const InputData &input,
|
|
ResultDataSmall &result,
|
|
const unsigned int mat_size, const float lg,
|
|
const float ug, const float precision,
|
|
const unsigned int iterations);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//! Initialize variables and memory for the result for small matrices
|
|
//! @param result handles to the necessary memory
|
|
//! @param mat_size matrix_size
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void initResultSmallMatrix(ResultDataSmall &result,
|
|
const unsigned int mat_size);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//! Cleanup memory and variables for result for small matrices
|
|
//! @param result handle to variables
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void cleanupResultSmallMatrix(ResultDataSmall &result);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//! Process the result obtained on the device, that is transfer to host and
|
|
//! perform basic sanity checking
|
|
//! @param input handles to input data
|
|
//! @param result handles to result variables
|
|
//! @param mat_size matrix size
|
|
//! @param filename output filename
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void processResultSmallMatrix(const InputData &input,
|
|
const ResultDataSmall &result,
|
|
const unsigned int mat_size,
|
|
const char *filename);
|
|
}
|
|
|
|
#endif // #ifndef _BISECT_SMALL_CUH_
|