Problem using han_window()

C++
1

Hi everyone,
first of all I’d like to ask if anybody know where libtorch’s documentation has disappeared?

and for my main question…
when I’m trying to use the function i get an exception. Example:

torch::Tensor win = torch::hann_window(512, true, torch::TensorOptions().requires_grad(false));

implies the following exception:

Unhandled exception at 0x00007FF9C386474C in project.exe: Microsoft C++ exception: c10::Error at memory location 0x00000026850FBC80.

I’m using visual studio and running everything on the cpu.

please help, thank you.

2

The docs can still be found here and I’m unaware of any removal. Could you describe which parts were removed from there?

This error is quite cryptic, but I get a dtype mismatch when executing your code on Linux, which is fixed via:

#include <torch/script.h> // One-stop header.
#include <iostream>

int main(int argc, const char* argv[]) {
  torch::Tensor win = torch::hann_window(512, true, at::TensorOptions().dtype(at::kFloat).requires_grad(false));
  std::cout << win << std::endl;
  return 0;
}
3

thank you very much, it indeed solved the problem.
in documentation i ment method level documentation, this is a link that’s no longer active for example:
https://pytorch.org/cppdocs/api/function_namespacetorch_1a2121746050a71d97d90349d944b53391.html