12 lines
195 B
C
12 lines
195 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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z_cos (doublecomplex * r, doublecomplex * 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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