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13 lines
184 B
C
13 lines
184 B
C
#include "f2c.h"
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#undef abs
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#include "math.h"
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void
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c_cos (complex * r, complex * z)
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{
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double zi = z->i, zr = z->r;
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r->r = cos (zr) * cosh (zi);
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r->i = -sin (zr) * sinh (zi);
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}
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