pm

erfa.pm(p)[source]

Wrapper for ERFA function eraPm.

Parameters
pdouble array
Returns
c_retvaldouble array

Notes

The ERFA documentation is below.

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 e r a P m
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Modulus of p-vector.

Given:
   p      double[3]     p-vector

Returned (function value):
          double        modulus

Copyright (C) 2013-2019, NumFOCUS Foundation.
Derived, with permission, from the SOFA library.  See notes at end of file.