Function: spice_test Purpose: Tests whether the SPICE (idl/icy) module is installed Provides installation message if not installed Keywords: VERBOSE (see "DPRINT") Returns: 1 on success; 0 on failure Example: if(spice_test() eq 0) then return Notes: Should be called in all idl spice wrapper routines see also: "SPICE_INSTALL" "SPICE_STANDARD_KERNELS" "SPICE_CRIB" Author: Davin Larson (based on icy_test.pro by Peter S.) $LastChangedBy: $ $LastChangedDate: $ $LastChangedRevision: $ $URL: $