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Annotation of researchv10no/cmd/map/libmap/aitoff.c, revision 1.1.1.1

1.1       root        1: #include "map.h"
                      2: 
                      3: #define Xaitwist Xaitpole.nlat
                      4: static struct place Xaitpole;
                      5: 
                      6: static int
                      7: Xaitoff(struct place *place, double *x, double *y)
                      8: {
                      9:        struct place p;
                     10:        copyplace(place,&p);
                     11:        p.wlon.l /= 2.;
                     12:        sincos(&p.wlon);
                     13:        norm(&p,&Xaitpole,&Xaitwist);
                     14:        Xazequalarea(&p,x,y);
                     15:        *x *= 2.;
                     16:        return(1);
                     17: }
                     18: 
                     19: proj
                     20: aitoff(void)
                     21: {
                     22:        latlon(0.,0.,&Xaitpole);
                     23:        return(Xaitoff);
                     24: }

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