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

1.1     ! root        1: #include "map.h"
        !             2: 
        !             3: void
        !             4: ccubrt(double zr, double zi, double *wr, double *wi)
        !             5: {
        !             6:        double r, theta;
        !             7:        theta = atan2(zi,zr);
        !             8:        r = cubrt(hypot(zr,zi));
        !             9:        *wr = r*cos(theta/3);
        !            10:        *wi = r*sin(theta/3);
        !            11: }

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