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81 lines
4.0 KiB
Plaintext
81 lines
4.0 KiB
Plaintext
/* Copyright (c) 2021, 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
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* 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 NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Computation of eigenvalues of a small bidiagonal matrix */
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#ifndef _BISECT_SMALL_CUH_
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#define _BISECT_SMALL_CUH_
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extern "C" {
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////////////////////////////////////////////////////////////////////////////////
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//! Determine eigenvalues for matrices smaller than MAX_SMALL_MATRIX
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//! @param TimingIterations number of iterations for timing
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//! @param input handles to input data of kernel
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//! @param result handles to result of kernel
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//! @param mat_size matrix size
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//! @param lg lower limit of Gerschgorin interval
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//! @param ug upper limit of Gerschgorin interval
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//! @param precision desired precision of eigenvalues
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//! @param iterations number of iterations for timing
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////////////////////////////////////////////////////////////////////////////////
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void computeEigenvaluesSmallMatrix(const InputData &input,
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ResultDataSmall &result,
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const unsigned int mat_size, const float lg,
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const float ug, const float precision,
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const unsigned int iterations);
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////////////////////////////////////////////////////////////////////////////////
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//! Initialize variables and memory for the result for small matrices
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//! @param result handles to the necessary memory
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//! @param mat_size matrix_size
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////////////////////////////////////////////////////////////////////////////////
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void initResultSmallMatrix(ResultDataSmall &result,
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const unsigned int mat_size);
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////////////////////////////////////////////////////////////////////////////////
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//! Cleanup memory and variables for result for small matrices
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//! @param result handle to variables
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////////////////////////////////////////////////////////////////////////////////
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void cleanupResultSmallMatrix(ResultDataSmall &result);
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////////////////////////////////////////////////////////////////////////////////
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//! Process the result obtained on the device, that is transfer to host and
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//! perform basic sanity checking
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//! @param input handles to input data
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//! @param result handles to result variables
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//! @param mat_size matrix size
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//! @param filename output filename
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////////////////////////////////////////////////////////////////////////////////
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void processResultSmallMatrix(const InputData &input,
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const ResultDataSmall &result,
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const unsigned int mat_size,
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const char *filename);
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}
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#endif // #ifndef _BISECT_SMALL_CUH_
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