10 lines
145 B
C
10 lines
145 B
C
#include "f2c.h"
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VOID c_log(r, z)
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complex *r, *z;
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{
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double log(), cabs(), atan2();
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r->i = atan2(z->i, z->r);
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r->r = log( cabs(z->r, z->i) );
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}
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