def Mat.col_sums_acc
import bend-ml-tensor-array@0.1.19.0/main.bend as BendMlTensorArrayimport Base
1387def Mat.col_sums_acc(+n: Nat, +m: Nat, a: Mat<n, m>, s: Mat<1n, m>) -> MColSum<n, m>:
1388 match a s:
1389 case Mat{d} Mat{z}:
1390 colsum_fin(n, m, gemm_ac(True{}, 1n, m, n, 0, 1, U32.from_nat(m), 1, Array.new(F32, cap_depth(n), 1.0), d, z))