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Annotation of researchv10no/cmd/map/libmap/bicentric.c, revision 1.1

1.1     ! root        1: #include "map.h"
        !             2: 
        !             3: static struct coord center;
        !             4: 
        !             5: static int
        !             6: Xbicentric(struct place *place, double *x, double *y)
        !             7: {
        !             8:        if(place->wlon.c<=.01||place->nlat.c<=.01)
        !             9:                return(-1);
        !            10:        *x = -center.c*place->wlon.s/place->wlon.c;
        !            11:        *y = place->nlat.s/(place->nlat.c*place->wlon.c);
        !            12:        return(*x**x+*y**y<=9);
        !            13: }
        !            14: 
        !            15: proj
        !            16: bicentric(double l)
        !            17: {
        !            18:        l = fabs(l);
        !            19:        if(l>89)
        !            20:                return(0);
        !            21:        deg2rad(l,&center);
        !            22:        return(Xbicentric);
        !            23: }

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