MatmulParallelProof.fold_from: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/contracts/matmul_parallel_proof.bend as MatmulParallelProof
Lines 422-432 of bendtorch-core@0.1.0.0/src/tensor/contracts/matmul_parallel_proof.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/contracts/matmul_parallel_proof.bend&start_line=422&end_line=432

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/storage/LAWS.bend as StorageLaws
import bendtorch-core@0.1.0.0/src/tensor/contracts/replayed.bend as Replayed

# The terms `cursor .. cursor + fuel` of cell (row, column) over the replayed
# words, added to `accumulator` in increasing k.
def fold_from(fuel: Nat, +span: Nat, +columns: Nat, +row: Nat, +column: Nat, +left: Shape.Shape, +left_fill: F32, +left_ops: List<&2, StorageLaws.Op>,
  +right: Shape.Shape, +right_fill: F32, +right_ops: List<&2, StorageLaws.Op>, +cursor: Nat, accumulator: F32) -> F32:
  match fuel:
    case 0n:
      accumulator
    case 1n+rest:
      fold_from(rest, span, columns, row, column, left, left_fill, left_ops, right, right_fill, right_ops, 1n+cursor,
        F32.add(accumulator, F32.mul(Replayed.value(left, left_fill, left_ops, U32.from_nat(Nat.add(Nat.mul(row, span), cursor))),
          Replayed.value(right, right_fill, right_ops, U32.from_nat(Nat.add(Nat.mul(cursor, columns), column))))))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/LAWS.bend&name=Op
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/contracts/replayed.bend&name=value