fn to_cpu()

in crates/ratchet-core/src/tensor.rs [957:975]

• 18 lines of code
• 3 McCabe index (conditional complexity)

    fn to_cpu(&self) -> Result<Tensor, TensorError> {
        if self.device().is_cpu() || !self.resolved() {
            log::error!("Tensor may not have been resolved, try calling `resolve()` first.");
            return Ok(self.clone());
        }
        let storage_guard = self.storage();
        let gpu_buf = storage_guard
            .as_ref()
            .ok_or(TensorError::TransferError)?
            .try_gpu()?;
        let cpu_buf = gpu_buf.to_cpu(&self.device)?;

        Ok(Tensor::new(
            LazyOp::Const,
            self.view.clone(),
            Some(Storage::CPU(cpu_buf)),
            Device::CPU,
        ))
    }