pmp

erfa.pmp(a, b)[source]

Wrapper for ERFA function eraPmp.

Parameters

a : double array

b : double array

Returns

amb : double array

Notes

The ERFA documentation is below.

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 e r a P m p
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P-vector subtraction.

Given:
   a        double[3]      first p-vector
   b        double[3]      second p-vector

Returned:
   amb      double[3]      a - b

Note:
   It is permissible to re-use the same array for any of the
   arguments.

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