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@HotSpotIntrinsicCandidate
public static double sin(double a) {
    return StrictMath.sin(a); 
}

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public static native double sin(double a);

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#ifndef __FDLIBM_H__
#include "fdlibm.h"
#endif

double __kernel_sin(double x, double y, int iy)
{
	double z, r, v;
	int32_t ix;

	static const double half = 5.00000000000000000000e-01;	
	static const double S1 = -1.66666666666666324348e-01;	
	static const double S2 = 8.33333333332248946124e-03;	
	static const double S3 = -1.98412698298579493134e-04;	
	static const double S4 = 2.75573137070700676789e-06;	
	static const double S5 = -2.50507602534068634195e-08;	
	static const double S6 = 1.58969099521155010221e-10;	

	GET_HIGH_WORD(ix, x);
	ix &= IC(0x7fffffff);					
	if (ix < IC(0x3e400000))				
	{
		if ((int32_t) x == 0)
			return x;						
	}
	z = x * x;
	v = z * x;
	r = S2 + z * (S3 + z * (S4 + z * (S5 + z * S6)));
	if (iy == 0)
		return x + v * (S1 + z * r);
	else
		return x - ((z * (half * y - v * r) - y) - v * S1);
}