xref: /libCEED/tests/t507-operator.h (revision d4cc18453651bd0f94c1a2e078b2646a92dafdcc)
1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors.
23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
31da99368SJeremy L Thompson //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
51da99368SJeremy L Thompson //
63d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
71da99368SJeremy L Thompson 
8c0b5abf0SJeremy L Thompson #include <ceed/types.h>
9c9c2c079SJeremy L Thompson 
setup(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)102b730f8bSJeremy L Thompson CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
111da99368SJeremy L Thompson   const CeedScalar *weight = in[0], *dxdX = in[1];
121da99368SJeremy L Thompson   CeedScalar       *rho = out[0];
131da99368SJeremy L Thompson 
141da99368SJeremy L Thompson   for (CeedInt i = 0; i < Q; i++) {
151da99368SJeremy L Thompson     rho[i] = weight[i] * dxdX[i];
161da99368SJeremy L Thompson   }
171da99368SJeremy L Thompson   return 0;
181da99368SJeremy L Thompson }
191da99368SJeremy L Thompson 
mass(void * ctx,const CeedInt Q,const CeedScalar * const * in,CeedScalar * const * out)202b730f8bSJeremy L Thompson CEED_QFUNCTION(mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) {
212b730f8bSJeremy L Thompson   const CeedScalar *rho = in[0], (*u)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[1];
221da99368SJeremy L Thompson   CeedScalar(*v)[CEED_Q_VLA] = (CeedScalar(*)[CEED_Q_VLA])out[0];
231da99368SJeremy L Thompson 
241da99368SJeremy L Thompson   for (CeedInt i = 0; i < Q; i++) {
251da99368SJeremy L Thompson     v[0][i] = rho[i] * u[0][i];
261da99368SJeremy L Thompson     v[1][i] = rho[i] * u[1][i];
271da99368SJeremy L Thompson   }
281da99368SJeremy L Thompson   return 0;
291da99368SJeremy L Thompson }
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