public static void ApplyAbsDerivative(AlignedArray input, AlignedArray output, AlignedArray grad, bool drop)
{
Contracts.Assert(Compat(input));
Contracts.Assert(Compat(output));
Contracts.Assert(Compat(grad));
Contracts.Assert(output.Size == input.Size);
Contracts.Assert(output.Size == grad.Size);
unsafe
{
fixed(float *px = &input.Items[0])
fixed(float *py = &output.Items[0])
fixed(float *pg = &grad.Items[0])
Thunk.ApplyAbsDerivativeX(Ptr(input, px), Ptr(output, py), Ptr(grad, pg), grad.Size, drop);
}
}