cf 3.11.0

A CF-compliant earth science data analysis library

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Documentation overview
- API reference
  - cf classes
    - cf.FieldAncillary
      - Previous: cf.FieldAncillary.__imod__
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cf development has been supported by the ERC through Seachange and Couplet; by the EC Horizon 2020 programme through IS-ENES3; by NERC through UKFAFMIP; and by NCAS.

cf.FieldAncillary.neg¶

FieldAncillary.__neg__()[source]¶

The unary arithmetic operation -

x.__neg__() <==> -x

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