gp_matern52_cov

const kernel_cl< in_buffer, out_buffer, double, double, double, int, int > stan::math::opencl_kernels::gp_matern52_cov("gp_matern52_cov", {gp_matern52_cov_kernel_code})	(	"gp_matern52_cov"	,
		{gp_matern52_cov_kernel_code}
	)

See the docs for gp_matern52_cov() .