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Annotation of researchv10no/libF77/z_log.c, revision 1.1

1.1     ! root        1: #include "f2c.h"
        !             2: 
        !             3: #ifdef KR_headers
        !             4: double log(), f__cabs(), atan2();
        !             5: VOID z_log(r, z) doublecomplex *r, *z;
        !             6: #else
        !             7: #undef abs
        !             8: #include "math.h"
        !             9: extern double f__cabs(double, double);
        !            10: void z_log(doublecomplex *r, doublecomplex *z)
        !            11: #endif
        !            12: {
        !            13: 
        !            14: r->i = atan2(z->i, z->r);
        !            15: r->r = log( f__cabs( z->r, z->i ) );
        !            16: }

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