next_fast_len¶
- pytorch_forecasting.utils.next_fast_len(size)[source]¶
Returns the next largest number
n >= size
whose prime factors are all 2, 3, or 5. These sizes are efficient for fast fourier transforms. Equivalent toscipy.fftpack.next_fast_len()
.Implementation from pyro
- Parameters
size (int) – A positive number.
- Returns
A possibly larger number.
- Rtype int