20 lines
335 B
C
20 lines
335 B
C
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#include "f2c.h"
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#ifdef KR_headers
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double sin(), cos(), sinh(), cosh();
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VOID z_cos(resx, z) doublecomplex *resx, *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_cos(doublecomplex *resx, doublecomplex *z)
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#endif
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{
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doublecomplex res;
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res.r = cos(z->r) * cosh(z->i);
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res.i = - sin(z->r) * sinh(z->i);
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resx->r = res.r;
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resx->i = res.i;
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}
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