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#ifndef SCA_BESSEL_HXX
#define SCA_BESSEL_HXX

#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <sal/types.h>

namespace sca {
namespace analysis {

// ============================================================================
//     BESSEL functions
// ============================================================================

/** Returns the result for the unmodified BESSEL function of first kind (J), n-th order, at point x. */
double BesselJ( double x, sal_Int32 n ) throw( ::com::sun::star::lang::IllegalArgumentException );

/** Returns the result for the modified BESSEL function of first kind (I), n-th order, at point x. */
double BesselI( double x, sal_Int32 n ) throw( ::com::sun::star::lang::IllegalArgumentException );

/** Returns the result for the unmodified BESSEL function of second kind (Y), n-th order, at point x. */
double BesselY( double x, sal_Int32 n ) throw( ::com::sun::star::lang::IllegalArgumentException );

/** Returns the result for the modified BESSEL function of second kind (K), n-th order, at point x. */
double BesselK( double x, sal_Int32 n ) throw( ::com::sun::star::lang::IllegalArgumentException );

// ============================================================================

} // namespace analysis
} // namespace sca

#endif