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/*
//
// Copyright 2010 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 2118 $
//
// $LastChangedDate: 2010-07-30 11:37:15 -0700 (Fri, 30 Jul 2010) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#include "cmtkDeviceThresholdData_kernels.h"
#include "GPU/cmtkCUDA.h"
#include <cuda_runtime_api.h>
__device__
void
cmtkDeviceThresholdDataKernel( float* dest, const int n, const float lowerThreshold, const float upperThreshold )
{
for ( int i = threadIdx.x; i < n; i += blockDim.x )
{
dest[idx] = fmaxf( lowerThreshold, fminf( upperThreshold, dest[idx] ) );
}
}
void
cmtk::DeviceThresholdData( float* dest, const int n, const float lowerThreshold, const float upperThreshold )
{
cmtkDeviceThresholdDataKernel<<<1,512>>>( dest, n, lowerThreshold, upperThreshold );
cmtkCheckLastErrorCUDA;
}
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