# Command: acos

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Name:

    acos - Calculate the arc cosine of double number.
      Synopsis:  double acos -> double

Examples:

    1.0 acos -> 0.0

Description:

    Alternatives: Function acos_d (undocumented)
      -> behaviour and synopsis are the same.

Author:

    Diesmann

FirstVersion:

    090225

SeeAlso:

- cos
- asin

Source:

    /opt/conda/conda-bld/nest_1512418773968/work/nest-2.14.0/sli/slimath.cc

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