PJ_gins8.c
487 Bytes
#define PJ_LIB__
# include <projects.h>
PROJ_HEAD(gins8, "Ginsburg VIII (TsNIIGAiK)") "\n\tPCyl, Sph., no inv.";
#define Cl 0.000952426
#define Cp 0.162388
#define C12 0.08333333333333333
FORWARD(s_forward); /* spheroid */
double t = lp.phi * lp.phi;
xy.y = lp.phi * (1. + t * C12);
xy.x = lp.lam * (1. - Cp * t);
t = lp.lam * lp.lam;
xy.x *= (0.87 - Cl * t * t);
return (xy);
}
FREEUP; if (P) pj_dalloc(P); }
ENTRY0(gins8) P->es = 0.; P->inv = 0; P->fwd = s_forward; ENDENTRY(P)