ppsp¶
-
erfa.
ppsp
(a, s, b)[source]¶ Wrapper for ERFA function
eraPpsp
.- Parameters
a : double array
s : double array
b : double array
- Returns
apsb : double array
Notes
The ERFA documentation is below.
- - - - - - - - e r a P p s p - - - - - - - - P-vector plus scaled p-vector. Given: a double[3] first p-vector s double scalar (multiplier for b) b double[3] second p-vector Returned: apsb double[3] a + s*b Note: It is permissible for any of a, b and apsb to be the same array. Called: eraSxp multiply p-vector by scalar eraPpp p-vector plus p-vector Copyright (C) 2013-2019, NumFOCUS Foundation. Derived, with permission, from the SOFA library. See notes at end of file.