Bendtorch.smb_fix: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1416-1422 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1416&end_line=1422

import Base

# dy[j] = y[j] * (dy[j] - s), j = idx..idx + k; rd and ry hold dy[idx] and y[idx]
def smb_fix(k: Nat, +idx: U32, +s: F32, rd: Array<F32> & F32, ry: Array<F32> & F32) -> A2:
  match k rd ry:
    case 0n Tuple{d, +g} Tuple{y, +v}:
      A2{Array.set(F32, d, idx, (v * (g - s : F32) : F32)), y}
    case 1n+q Tuple{d, +g} Tuple{y, +v}:
      smb_fix(q, (idx + 1 : U32), s, Array.get(F32, Array.set(F32, d, idx, (v * (g - s : F32) : F32)), (idx + 1 : U32)), Array.get(F32, y, (idx + 1 : U32)))

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.set
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  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=A2