Method shift_to

tinygrad/codegen/opt/postrange.py:94–101

(self, rng:UOp, amount:int, new_type:AxisType, top:bool=False, input_new_rng:UOp|None=None)

  def colored_shape(self) -> str: return ' '.join([colored(f'{x.src[0].render():>4s}', color) for x,color in zip(self.rngs, self.colors())])

  def shift_to(self, rng:UOp, amount:int, new_type:AxisType, top:bool=False, input_new_rng:UOp|None=None):
    if (old_sz:=rng.src[0].divides(amount)) is None:
      raise KernelOptError(f"{amount} can't divide {rng.src[0]} in {self.colored_shape()}")
    new_rng = UOp.range(amount, next(self.opt_range), new_type) if input_new_rng is None else input_new_rng
    replaced_rng = rng.replace(src=(UOp.const(dtypes.int, old_sz),))
    sub_axis = (new_rng * old_sz + replaced_rng) if top else (replaced_rng * amount + new_rng)
    self.ast = self.ast.substitute({rng:sub_axis}, name=f"shift {rng.arg[:-1]} {amount} {str(new_type).split('.')[1].lower()}")
    return replaced_rng, new_rng

  def ranges_of(self, *axis_type:AxisType) -> list[UOp]: return [r for r in self.rngs if r.arg[-1] in axis_type]
  def axes_of(self, *axis_type:AxisType) -> list[int]: return [i for i,t in enumerate(self.axis_types) if t in axis_type]