public void nppsSet_32s_test()
{
int length = 1024;
int value = 75;
IntPtr ptr = Npps.nppsMalloc_32s(length);
int[] result = new int[length];
GCHandle gcHandle = GCHandle.Alloc(result, GCHandleType.Pinned);
IntPtr h_result = Marshal.UnsafeAddrOfPinnedArrayElement(result, 0);
UInt64 size = Convert.ToUInt64(sizeof(int) * result.Length);
NppStatus status = Npps.nppsSet_32s(value, ptr, length);
if (status != NppStatus.NPP_SUCCESS)
{
Assert.Fail(String.Format("Fail {0}", status.ToString()));
}
cudaError cudaStatus = CudaRuntimeApi.cudaMemcpy(h_result, ptr, size, cudaMemcpyKind.DeviceToHost);
if (cudaStatus != cudaError.cudaSuccess)
{
Assert.Fail(String.Format("Fail {0}", cudaStatus.ToString()));
}
for (int i = 0; i < result.Length; i++)
{
Assert.AreEqual(value, result[i]);
}
gcHandle.Free();
Npps.nppsFree(ptr);
}
public void nppsConvert_32s32f_test()
{
NppStatus nppStatus;
cudaError cudaStatus;
int length = 1024;
int value = 75;
float expected = 75.0F;
IntPtr d_src = Npps.nppsMalloc_32s(length);
IntPtr d_dst = Npps.nppsMalloc_32f(length);
float[] result = new float[length];
GCHandle gcHandle = GCHandle.Alloc(result, GCHandleType.Pinned);
IntPtr h_result = Marshal.UnsafeAddrOfPinnedArrayElement(result, 0);
UInt64 size = Convert.ToUInt64(sizeof(int) * result.Length);
nppStatus = Npps.nppsSet_32s(value, d_src, length);
if (nppStatus != NppStatus.NPP_SUCCESS)
{
Assert.Fail(String.Format("Fail {0}", nppStatus.ToString()));
}
nppStatus = Npps.nppsConvert_32s32f(d_src, d_dst, length);
if (nppStatus != NppStatus.NPP_SUCCESS)
{
Assert.Fail(String.Format("Fail {0}", nppStatus.ToString()));
}
cudaStatus = CudaRuntimeApi.cudaMemcpy(h_result, d_dst, size, cudaMemcpyKind.DeviceToHost);
if (cudaStatus != cudaError.cudaSuccess)
{
Assert.Fail(String.Format("Fail {0}", cudaStatus.ToString()));
}
for (int i = 0; i < result.Length; i++)
{
Assert.AreEqual(expected, result[i]);
}
gcHandle.Free();
Npps.nppsFree(d_src);
Npps.nppsFree(d_dst);
}