def _mask_to_expr(self, mask: common.HorizontalMask,
comp_ctx: "GTComputationContext") -> gtcpp.Expr:
mask_expr: List[gtcpp.Expr] = []
for axis_index, interval in enumerate(mask.intervals):
if interval.is_single_index():
mask_expr.append(
gtcpp.BinaryOp(
op=common.ComparisonOperator.EQ,
left=comp_ctx.make_positional(axis_index),
right=_make_axis_offset_expr(interval.start,
axis_index,
comp_ctx.make_length),
))
else:
for op, endpt in zip(
(common.ComparisonOperator.GE,
common.ComparisonOperator.LT),
(interval.start, interval.end),
):
if endpt is None:
continue
mask_expr.append(
gtcpp.BinaryOp(
op=op,
left=comp_ctx.make_positional(axis_index),
right=_make_axis_offset_expr(
endpt, axis_index, comp_ctx.make_length),
))
return (functools.reduce(
lambda a, b: gtcpp.BinaryOp(
op=common.LogicalOperator.AND, left=a, right=b),
mask_expr,
) if mask_expr else gtcpp.Literal(value=common.BuiltInLiteral.TRUE,
dtype=common.DataType.BOOL))
def visit_BinaryOp(self, node: oir.BinaryOp,
**kwargs: Any) -> gtcpp.BinaryOp:
return gtcpp.BinaryOp(
op=node.op,
left=self.visit(node.left, **kwargs),
right=self.visit(node.right, **kwargs),
)
def _make_axis_offset_expr(
bound: common.AxisBound,
axis_index: int,
axis_length_accessor: Callable[[int], gtcpp.AccessorRef],
) -> gtcpp.Expr:
if bound.level == common.LevelMarker.END:
base = axis_length_accessor(axis_index)
return gtcpp.BinaryOp(
op=common.ArithmeticOperator.ADD,
left=base,
right=gtcpp.Literal(value=str(bound.offset),
dtype=common.DataType.INT32),
)
else:
return gtcpp.Literal(value=str(bound.offset),
dtype=common.DataType.INT32)