SLA_DS2C6 - Spherical Pos/Vel to Cartesian

ACTION:

Conversion of position & velocity in spherical coordinates to Cartesian coordinates (double precision).

CALL:

CALL sla_DS2C6 (A, B, R, AD, BD, RD, V)

GIVEN:

A	D	longitude (radians) - for example $\alpha$
B	D	latitude (radians) - for example $\delta$
R	D	radial coordinate
AD	D	longitude derivative (radians per unit time)
BD	D	latitude derivative (radians per unit time)
RD	D	radial derivative

RETURNED:

V

D(6)

$[ x,y,z,\dot{x},\dot{y},\dot{z} ]$