freebsd-dev/contrib/libf2c/libF77/z_exp.c

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#include "f2c.h"
#undef abs
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#include "math.h"
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void
z_exp (doublecomplex * r, doublecomplex * z)
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{
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double expx, zi = z->i;
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expx = exp (z->r);
r->r = expx * cos (zi);
r->i = expx * sin (zi);
}