public static void MXPredSetInput(PredictorHandle handle, string key, float[] data, uint size)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
handle.ThrowIfDisposed();
var ret = NativeMethods.MXPredSetInput(handle.NativePtr, key, data, size);
if (ret != NativeMethods.OK)
{
throw CreateMXNetException($"Failed to input {nameof(handle)}");
}
}
public static void MXPredPartialForward(PredictorHandle handle, int step, out int step_left)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
handle.ThrowIfDisposed();
var ret = NativeMethods.MXPredPartialForward(handle.NativePtr, step, out step_left);
if (ret != NativeMethods.OK)
{
throw CreateMXNetException($"Failed to partial forward {nameof(handle)}");
}
}
public static void MXPredGetOutput(PredictorHandle handle, uint index, float[] data, uint size)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
handle.ThrowIfDisposed();
var ret = NativeMethods.MXPredGetOutput(handle.NativePtr, index, data, size);
if (ret != NativeMethods.OK)
{
throw CreateMXNetException($"Failed to get output from {nameof(handle)}");
}
}
public static void MXPredForward(PredictorHandle handle)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
handle.ThrowIfDisposed();
var ret = NativeMethods.MXPredForward(handle.NativePtr);
if (ret != NativeMethods.OK)
{
throw CreateMXNetException($"Failed to forward {nameof(handle)}");
}
}
public static void MXPredCreate(string symbolJson,
byte[] bytes,
int size,
int type,
int deviceId,
uint inputNodes,
string[] keys,
uint[] inputShapeIndptr,
uint[] inputShapeData,
out PredictorHandle handle)
{
var ret = NativeMethods.MXPredCreate(symbolJson, bytes, size, type, deviceId, inputNodes, keys,
inputShapeIndptr, inputShapeData, out var @out);
if (ret != NativeMethods.OK)
{
throw CreateMXNetException($"Failed to create {nameof(PredictorHandle)}");
}
handle = new PredictorHandle(@out);
}
public static void MXPredGetOutputShape(PredictorHandle handle, uint index, out uint[] shape_data,
out uint shape_ndim)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
handle.ThrowIfDisposed();
var ret = NativeMethods.MXPredGetOutputShape(handle.NativePtr, index, out var shape_data_ptr,
out shape_ndim);
if (ret != NativeMethods.OK)
{
throw CreateMXNetException($"Failed to get output shape from {nameof(handle)}");
}
shape_data = new uint[shape_ndim];
NativeMethods.memcpy(shape_data, shape_data_ptr, shape_ndim * sizeof(uint));
}