Error: nu::shell::eval_block_with_input

  x Eval block failed with pipeline input
   ,-[/Users/master/cyber/honeycrisp/.worktrees/acpu-delivery/honeycrisp/audit/2026-10-16-acpu-delivery/numeric-prototype/underflow.nu:7:18]
 6 |     let input = ($root | path join audit/2026-10-16-acpu-delivery/numeric-prototype/random.stdout)
 7 |     let zeros = (open --raw $input | from json | get rows | where {|r|
   :                  ^^|^
   :                    `-- source value
 8 |         $r.status == ok and $r.reference_method? == series and $r.reference? == 0.0
   `----

Error: 
  x underflow lacks a sufficient magnitude margin
    ,-[/Users/master/cyber/honeycrisp/.worktrees/acpu-delivery/honeycrisp/audit/2026-10-16-acpu-delivery/numeric-prototype/underflow.nu:14:58]
 13 |         let bound = (2 | math ln) + $r.order * ($r.tau / 2 | math ln) - $factorial - $r.tau + $r.tau * $r.tau / (4 * ($r.order + 1))
 14 |         if $bound >= (-150 * (2 | math ln)) { error make {msg: 'underflow lacks a sufficient magnitude margin'} }
    :                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 15 |         $bound
    `----


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