yosys/docs/source/cell/word_formal.rst

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Formal verification cells
-------------------------
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.. role:: yoscrypt(code)
:language: yoscrypt
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.. note::
Some front-ends may not support the generic `$check` cell, in such cases
calling :yoscrypt:`chformal -lower` will convert each `$check` cell into it's
equivalent. See `chformal` for more.
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.. todo:: Describe formal cells
`$check`, `$assert`, `$assume`, `$live`, `$fair`, `$cover`, `$equiv`,
`$initstate`, `$anyconst`, `$anyseq`, `$anyinit`, `$allconst`, and `$allseq`.
Also `$ff` and `$_FF_` cells.
.. autocellgroup:: formal
:members:
:source:
:linenos:
Formal support cells
~~~~~~~~~~~~~~~~~~~~
.. autocellgroup:: formal_tag
:members:
:source:
:linenos: