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#ifndef __integrate_h
#define __integrate_h
#include "cctk.h"
CCTK_REAL Midpoint2DIntegral(CCTK_REAL const *f, int nx, int ny,
CCTK_REAL hx, CCTK_REAL hy);
CCTK_REAL Trapezoidal2DIntegral(CCTK_REAL const *f, int nx, int ny, CCTK_REAL hx, CCTK_REAL hy);
CCTK_REAL Simpson2DIntegral(CCTK_REAL const *f, int nx, int ny,
CCTK_REAL hx, CCTK_REAL hy);
CCTK_REAL DriscollHealy2DIntegral(CCTK_REAL const *f, int nx, int ny,
CCTK_REAL hx, CCTK_REAL hy);
#endif
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