SUBROUTINE DAZEL0 ( ZTLAT, ZTLON, ZRLAT, ZRLON, ZTAZ, ZDGC )

Argument Definitions (+ indicates altered content)
REAL              +ZDGC,       ZRLAT,      ZRLON,     +ZTAZ
REAL               ZTLAT,      ZTLON
Description
SUB DAZEL0             Great circle calculations. (same as DAZEL(0))
Source file:dazel0.f
Intrinsic Functions Called
DOUBLE PRECISION   DABS,       DATAN2,     DCOS,       DSIN
DOUBLE PRECISION   DSQRT
GENERIC            ABS
Local Variables (+ indicates altered content)
DOUBLE PRECISION  +ADLAT,     +ADLON,     +CEAZ,      +CELAT
DOUBLE PRECISION  +CGC,       +CWAZ,      +CWLAT,     +D
DOUBLE PRECISION  +DELAT,     +DELHT,     +DELON,     +DTOR
DOUBLE PRECISION  +EAZ,       +ELAT,      +GC,        +P
DOUBLE PRECISION  +PI,        +RERTH,     +RHTS,      +RLATS
DOUBLE PRECISION  +RLONS,     +RTOD,      +SADLN,     +SDLAT
DOUBLE PRECISION  +SDLON,     +SEAZ,      +SGC,       +SWAZ
DOUBLE PRECISION  +THTS,      +TLATS,     +TLONS,     +WAZ
DOUBLE PRECISION  +WLAT
REAL              +ZD,        +ZRAZ,      +ZRELV,     +ZRHT
REAL              +ZTELV,     +ZTHT