kernels.h

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/* ------------------------------------------------------------
 * This is the file "kernels.h" of this master thesis.
 * All rights reserved, Bennet Carstensen 2017
 * ------------------------------------------------------------ */

#ifndef KERNELS_H
#define KERNELS_H

#include "basic.h"

static const real r_minus_two_pi = -0.159154943091895336;

static const real r_four_pi = 0.0795774715459476679;

static const real r_minus_pi = -0.318309886183790671;

HEADER_PREFIX real
laplace_kernel(const field* x, const field* y, const uint dim);

HEADER_PREFIX real
pdx_laplace_kernel(const field *x,
                   const field *y,
                   const uint dim,
                   const uint i);

HEADER_PREFIX real
pdy_laplace_kernel(const field *x,
                   const field *y,
                   const uint   dim,
                   const uint   i);

#endif // GREENCROSS_H