Matrixc View operations mutates elements outside it

[Quafadas]

@copilot

def `sqrt!`: Unit =
  if m.hasSimpleContiguousMemoryLayout then vecxt.doublearrays.`sqrt!`(m.raw)
  end if                       // ← no else
  var i = 0
  while ... m.raw(idx) = Math.sqrt(m.raw(idx))

in vecxt/src/doublematrix.scala

Please fix this to have the else clause. Also for sin! and cos!.