def natural_dot

bendtorch-core@0.1.0.0 · src/tensor/matmul.bend:114

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core

114def natural_dot(fuel: Nat, +left: Shape.Shape, +right: Shape.Shape, a: Core.Tensor<left>, b: Core.Tensor<right>,
115  +row: U32, +column: U32, +cursor: Nat, accumulator: F32) ->
116  Result<&2, &1, Error, Core.Tensor<left> & Core.Tensor<right> & F32>:
117  match fuel:
118    case 0n:
119      Done{(a, b, accumulator)}
120    case 1n+tail:
121      +index = U32.from_nat(cursor)
122      dot_decided(left, right,
123        a => b => value => natural_dot(tail, left, right, a, b, row, column, 1n+cursor, value),
124        a, b, row, column, cursor, index, accumulator, Shape.bool_case(Nat.is_eq(U32.to_nat(index), cursor)))