public static Tensor Tanh(Tensor input)
{
#if ENABLE_COMPUTE
return(GpuHelper.InvokeFunctionKernel("Tanh", input));
#else
var data = new float[input.Data.Length];
for (var i = 0; i < data.Length; i++)
{
data[i] = (float)System.Math.Tanh(input.Data[i]);
}
return(new Tensor(input.Shape, data));
#endif
}
public static Tensor Relu(Tensor input)
{
#if ENABLE_COMPUTE
return(GpuHelper.InvokeFunctionKernel("Relu", input));
#else
var data = new float[input.Data.Length];
for (var i = 0; i < data.Length; i++)
{
var v = input.Data[i];
data[i] = v < 0 ? 0 : v;
}
return(new Tensor(input.Shape, data));
#endif
}
public static Tensor LeakyRelu(Tensor input, float alpha)
{
#if ENABLE_COMPUTE
Pix2PixResources.Compute.SetFloat("Alpha", alpha);
return(GpuHelper.InvokeFunctionKernel("LeakyRelu", input));
#else
var data = new float[input.Data.Length];
for (var i = 0; i < data.Length; i++)
{
var v = input.Data[i];
data[i] = v < 0 ? v * alpha : v;
}
return(new Tensor(input.Shape, data));
#endif
}