📄 cylequalarea.c
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#include <u.h>#include <libc.h>#include "map.h"static double a;static intXcylequalarea(struct place *place, double *x, double *y){ *x = - place->wlon.l * a; *y = place->nlat.s; return(1);}projcylequalarea(double par){ struct coord stdp0; if(par > 89.0) return(0); deg2rad(par, &stdp0); a = stdp0.c*stdp0.c; return(Xcylequalarea);}
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