(norm)
| 106 | |
| 107 | |
| 108 | def _swap_direction(norm): |
| 109 | try: |
| 110 | return _SWAP_DIRECTION_MAP[norm] |
| 111 | except KeyError: |
| 112 | raise ValueError(f'Invalid norm value {norm}; should be "backward", ' |
| 113 | '"ortho" or "forward".') from None |
| 114 | |
| 115 | |
| 116 | def _fft_dispatcher(a, n=None, axis=None, norm=None, out=None): |