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Annotation of researchv8dc/cmd/map/libmap/ccubrt.c, revision 1.1.1.1

1.1       root        1: #include "map.h"
                      2: double cubrt();
                      3: 
                      4: ccubrt(zr,zi,wr,wi)
                      5: double zr,zi;
                      6: double *wr,*wi;
                      7: {
                      8:        double r, theta;
                      9:        theta = atan2(zi,zr);
                     10:        r = cubrt(hypot(zr,zi));
                     11:        *wr = r*cos(theta/3);
                     12:        *wi = r*sin(theta/3);
                     13: }

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