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/*
* Copyright 2019 Patrick Stotko
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <iostream>
#include <stdgpu/memory.h> // createDeviceArray, copyCreateDevice2HostArray, destroyHostArray, destroyDeviceArray
int
main()
{
const stdgpu::index_t n = 1000;
const int default_value = 42;
int* d_array = createDeviceArray<int>(n, default_value);
int* h_array = copyCreateDevice2HostArray<int>(d_array, n);
stdgpu::index_t count = 0;
for (stdgpu::index_t i = 0; i < n; ++i)
{
if (h_array[i] != default_value)
{
std::cout << "h_array[" << i << "] != " << default_value << std::endl;
}
else
{
++count;
}
}
std::cout << count << "/" << n << " array elements set with default value " << default_value << std::endl;
destroyHostArray<int>(h_array);
destroyDeviceArray<int>(d_array);
}
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