Bendtorch.gn_sum: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1882-1888 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1882&end_line=1888

import Base

# acc + the segments of the block's remaining `left` rows, each one row (c cells) below the last, in order
def gn_sum(left: Nat, +off: U32, +c: U32, +cg: Nat, q: AS) -> AS:
  match left q:
    case 0n r:
      r
    case 1n+l AS{a, +s}:
      gn_sum(l, (off + c : U32), c, cg, asum(Nat.sub(cg, 1n), (off + c : U32), s, Array.get(F32, a, (off + c : U32))))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=AS
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=asum