// Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
// All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
//
// SPDX-License-Identifier: BSD-2-Clause
//
// This file is part of CEED: http://github.com/ceed
/**
@brief Ceed QFunction for applying the mass matrix
**/
#ifndef CEED_MASSAPPLY_H
#define CEED_MASSAPPLY_H
#include <ceed.h>
CEED_QFUNCTION(MassApply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
// in[0] is u, size (Q)
// in[1] is quadrature data, size (Q)
const CeedScalar *u = in[0], *q_data = in[1];
// out[0] is v, size (Q)
CeedScalar *v = out[0];
// Quadrature point loop
CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { v[i] = u[i] * q_data[i]; } // End of Quadrature Point Loop
return CEED_ERROR_SUCCESS;
}
#endif // CEED_MASSAPPLY_H