def facts_left

bendtorch-core@0.1.0.0 · src/tensor/contracts/matmul_proof.bend:77

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

77def facts_left(+left: Shape.Shape, +right: Shape.Shape, dimensions: List<&2, U32>,
78  same: {dimensions == Shape.dimensions(left) : List<&2, U32>}) ->
79  Facts(left, right, Matrix.plan_left(left, right, dimensions, same)):
80  match dimensions:
81    case +rows <> +inner <> Nil{}:
82      facts_right(left, right, rows, inner, Equal.sym(List<&2, U32>, [rows, inner], Shape.dimensions(left), same),
83        Shape.dimensions(right), {==})
84    case Nil{}:
85      Unit{}
86    case head <> Nil{}:
87      Unit{}
88    case first <> second <> third <> rest:
89      Unit{}