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/* 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_
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