18 lines
290 B
C
18 lines
290 B
C
#include "f2c.h"
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#ifdef KR_headers
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double exp(), cos(), sin();
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VOID z_exp(r, z) doublecomplex *r, *z;
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#else
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#undef abs
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#include "math.h"
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void z_exp(doublecomplex *r, doublecomplex *z)
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#endif
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{
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double expx, zi = z->i;
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expx = exp(z->r);
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r->r = expx * cos(zi);
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r->i = expx * sin(zi);
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}
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