jcuda.runtime.cudaMemcpyKind Maven / Gradle / Ivy
/*
* JCuda - Java bindings for NVIDIA CUDA driver and runtime API
*
* Copyright (c) 2009-2015 Marco Hutter - http://www.jcuda.org
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package jcuda.runtime;
/**
* Memcpy kinds.
*
* @see jcuda.runtime.JCuda#cudaMemcpy
* @see jcuda.runtime.cudaMemcpy3DParms
*/
public class cudaMemcpyKind
{
/**
* Host -> Host
*/
public static final int cudaMemcpyHostToHost = 0;
/**
* Host -> Device
*/
public static final int cudaMemcpyHostToDevice = 1;
/**
* Device -> Host
*/
public static final int cudaMemcpyDeviceToHost = 2;
/**
* Device -> Device
*/
public static final int cudaMemcpyDeviceToDevice = 3;
/**
* Direction of the transfer is inferred from the pointer values.
* Requires unified virtual addressing.
*/
public static final int cudaMemcpyDefault = 4;
/**
* Returns the String identifying the given cudaMemcpyKind
*
* @param k The cudaMemcpyKind
* @return The String identifying the given cudaMemcpyKind
*/
public static String stringFor(int k)
{
switch (k)
{
case cudaMemcpyHostToHost: return "cudaMemcpyHostToHost";
case cudaMemcpyHostToDevice: return "cudaMemcpyHostToDevice";
case cudaMemcpyDeviceToHost: return "cudaMemcpyDeviceToHost";
case cudaMemcpyDeviceToDevice: return "cudaMemcpyDeviceToDevice";
case cudaMemcpyDefault: return "cudaMemcpyDefault";
}
return "INVALID cudaMemcpyKind: "+k;
}
/**
* Private constructor to prevent instantiation.
*/
private cudaMemcpyKind()
{
}
}