test_madd = ->
  i = 0
  if DEBUG then console.log("test madd")
  m = mtotal
  for i in [-100...100]
    for j in [-100...100]
      test_maddf(i, j, i + j)
  #if (m != mtotal)
  #  logout("memory leak\n")
  #  errout()
  logout("ok\n")

test_maddf = (na, nb, nc) ->

  a = mint(na)
  b = mint(nb)
  c = mint(nc)

  d = madd(a, b)

  if (mcmp(c, d) == 0)
    return
  else
    throw new Error("test_maddf")

  #sprintf(logbuf, "%d %d %d %d\n", na, nb, nc, *d * MSIGN(d))
  logout(logbuf)
  errout()

test_msub = ->
  i = 0
  logout("test msub\n")
  m = mtotal
  for i in [-100..100]
    for j in [-100..100]
      test_msubf(i, j, i - j)
  if (m != mtotal)
    logout("memory leak\n")
    errout()
  logout("ok\n")

test_msubf = (na, nb, nc) ->
  #unsigned int *a, *b, *c, *d

  a = mint(na)
  b = mint(nb)
  c = mint(nc)

  d = msub(a, b)

  if (mcmp(c, d) == 0)
    #mfree(a)
    #mfree(b)
    #mfree(c)
    #mfree(d)
    return

  #sprintf(logbuf, "%d %d %d %d\n", na, nb, nc, *d * MSIGN(d))
  logout(logbuf)
  errout()

#endif