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#include "f2c.h"
#ifdef KR_headers
double log(), f__cabs(), atan2();
VOID z_log(r, z) doublecomplex *r, *z;
#else
#undef abs
#include <math.h>
extern double f__cabs(double, double);
void z_log(doublecomplex *r, doublecomplex *z)
#endif
{
r->i = atan2(z->i, z->r);
r->r = log( f__cabs( z->r, z->i ) );
}
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