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#include <u.h> #include <libc.h> #include "map.h" int Xcylindrical(struct place *place, double *x, double *y) { if(fabs(place->nlat.l) > 80.*RAD) return(-1); *x = - place->wlon.l; *y = place->nlat.s / place->nlat.c; return(1); } proj cylindrical(void) { return(Xcylindrical); }