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#include "f2c.h"
#ifdef KR_headers
extern double sin(), cos(), sinh(), cosh();
VOID c_cos(r, z) complex *r, *z;
#else
#undef abs
#include "math.h"
void c_cos(complex *r, complex *z)
#endif
{
r->r = cos(z->r) * cosh(z->i);
r->i = - sin(z->r) * sinh(z->i);
}
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