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17 lines
292 B
C
17 lines
292 B
C
#include "f2c.h"
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#ifdef KR_headers
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extern double log(), f__cabs(), atan2();
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VOID c_log(r, z) complex *r, *z;
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#else
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#undef abs
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#include "math.h"
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extern double f__cabs(double, double);
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void c_log(complex *r, complex *z)
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#endif
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{
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r->i = atan2(z->i, z->r);
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r->r = log( f__cabs(z->r, z->i) );
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}
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