1 // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED: http://github.com/ceed
7
8 /**
9 @brief Ceed QFunction for applying the mass matrix
10 **/
11 #include <ceed/types.h>
12
MassApply(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)13 CEED_QFUNCTION(MassApply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
14 // in[0] is u, size (Q)
15 // in[1] is quadrature data, size (Q)
16 const CeedScalar *u = in[0], *q_data = in[1];
17 // out[0] is v, size (Q)
18 CeedScalar *v = out[0];
19
20 // Quadrature point loop
21 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { v[i] = u[i] * q_data[i]; } // End of Quadrature Point Loop
22 return CEED_ERROR_SUCCESS;
23 }
24