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Implement linop algebra #35

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Merged
Pavlo3P merged 7 commits into from
May 20, 2026
Merged

Implement linop algebra #35

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bae5446
Add lazy LinOp algebra foundation
Pavlo3P May 20, 2026
d5cf139
Fix LinOp base equality protocol
Pavlo3P May 20, 2026
c454332
Document Space membership check convention
Pavlo3P May 20, 2026
2d54d64
Simplify scaled zero LinOps
Pavlo3P May 20, 2026
57283f8
Add dense materialization for LinOps
Pavlo3P May 20, 2026
89f007b
Add algebra layer regression tests
Pavlo3P May 20, 2026
5e81657
Polish LinOp dense materialization
Pavlo3P May 20, 2026
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27 changes: 26 additions & 1 deletion spacecore/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,23 @@
from .backend import TorchOps as TorchOps
except ImportError:
pass
from .linop import DenseLinOp, SparseLinOp, BlockDiagonalLinOp, SumToSingleLinOp, StackedLinOp, LinOp
from .linop import (
BlockDiagonalLinOp,
ComposedLinOp,
DenseLinOp,
IdentityLinOp,
LinOp,
MatrixFreeLinOp,
ScaledLinOp,
SparseLinOp,
StackedLinOp,
SumLinOp,
SumToSingleLinOp,
ZeroLinOp,
make_composed,
make_scaled,
make_sum,
)
from .space import (
BackendCheck,
DTypeCheck,
Expand Down Expand Up @@ -42,8 +58,17 @@
"NumpyOps",

"LinOp",
"ComposedLinOp",
"DenseLinOp",
"IdentityLinOp",
"MatrixFreeLinOp",
"ScaledLinOp",
"SparseLinOp",
"SumLinOp",
"ZeroLinOp",
"make_composed",
"make_scaled",
"make_sum",
"BlockDiagonalLinOp",
"SumToSingleLinOp",
"StackedLinOp",
Expand Down
20 changes: 20 additions & 0 deletions spacecore/linop/__init__.py
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Original file line number Diff line number Diff line change
@@ -1,12 +1,32 @@
from ._base import LinOp
from ._algebra import (
ComposedLinOp,
IdentityLinOp,
MatrixFreeLinOp,
ScaledLinOp,
SumLinOp,
ZeroLinOp,
make_composed,
make_scaled,
make_sum,
)
from ._dense import DenseLinOp
from ._sparse import SparseLinOp
from .product import ProductLinOp, StackedLinOp, SumToSingleLinOp, BlockDiagonalLinOp

__all__ = [
"LinOp",
"ComposedLinOp",
"DenseLinOp",
"IdentityLinOp",
"MatrixFreeLinOp",
"ScaledLinOp",
"SparseLinOp",
"SumLinOp",
"ZeroLinOp",
"make_composed",
"make_scaled",
"make_sum",
"ProductLinOp",
"SumToSingleLinOp",
"BlockDiagonalLinOp",
Expand Down
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