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37 /* This file is completely threadsafe - keep it that way! */
46 #include "gromacs/math/paddedvector.h"
47 #include "gromacs/math/vec.h"
48 #include "gromacs/math/veccompare.h"
49 #include "gromacs/mdtypes/awh-history.h"
50 #include "gromacs/mdtypes/df_history.h"
51 #include "gromacs/mdtypes/inputrec.h"
52 #include "gromacs/mdtypes/md_enums.h"
53 #include "gromacs/mdtypes/pull-params.h"
54 #include "gromacs/mdtypes/swaphistory.h"
55 #include "gromacs/pbcutil/boxutilities.h"
56 #include "gromacs/pbcutil/pbc.h"
57 #include "gromacs/utility/compare.h"
58 #include "gromacs/utility/gmxassert.h"
59 #include "gromacs/utility/smalloc.h"
61 /* The source code in this file should be thread-safe.
62 Please keep it that way. */
64 history_t::history_t() : disre_initf(0),
66 disre_rm3tav(nullptr),
73 ekinstate_t::ekinstate_t() : bUpToDate(FALSE),
83 clear_mat(ekin_total);
86 void init_gtc_state(t_state *state, int ngtc, int nnhpres, int nhchainlength)
89 state->nnhpres = nnhpres;
90 state->nhchainlength = nhchainlength;
91 state->nosehoover_xi.resize(state->nhchainlength*state->ngtc, 0);
92 state->nosehoover_vxi.resize(state->nhchainlength*state->ngtc, 0);
93 state->therm_integral.resize(state->ngtc, 0);
94 state->baros_integral = 0.0;
95 state->nhpres_xi.resize(state->nhchainlength*nnhpres, 0);
96 state->nhpres_vxi.resize(state->nhchainlength*nnhpres, 0);
100 /* Checkpoint code relies on this function having no effect if
101 state->natoms is > 0 and passed as natoms. */
102 void state_change_natoms(t_state *state, int natoms)
104 state->natoms = natoms;
106 /* We need padding, since we might use SIMD access */
107 const size_t paddedSize = gmx::paddedRVecVectorSize(state->natoms);
109 if (state->flags & (1 << estX))
111 state->x.resize(paddedSize);
113 if (state->flags & (1 << estV))
115 state->v.resize(paddedSize);
117 if (state->flags & (1 << estCGP))
119 state->cg_p.resize(paddedSize);
123 void init_dfhist_state(t_state *state, int dfhistNumLambda)
125 if (dfhistNumLambda > 0)
127 snew(state->dfhist, 1);
128 init_df_history(state->dfhist, dfhistNumLambda);
132 state->dfhist = nullptr;
136 void comp_state(const t_state *st1, const t_state *st2,
137 gmx_bool bRMSD, real ftol, real abstol)
141 fprintf(stdout, "comparing flags\n");
142 cmp_int(stdout, "flags", -1, st1->flags, st2->flags);
143 fprintf(stdout, "comparing box\n");
144 cmp_rvecs(stdout, "box", DIM, st1->box, st2->box, FALSE, ftol, abstol);
145 fprintf(stdout, "comparing box_rel\n");
146 cmp_rvecs(stdout, "box_rel", DIM, st1->box_rel, st2->box_rel, FALSE, ftol, abstol);
147 fprintf(stdout, "comparing boxv\n");
148 cmp_rvecs(stdout, "boxv", DIM, st1->boxv, st2->boxv, FALSE, ftol, abstol);
149 if (st1->flags & (1<<estSVIR_PREV))
151 fprintf(stdout, "comparing shake vir_prev\n");
152 cmp_rvecs(stdout, "svir_prev", DIM, st1->svir_prev, st2->svir_prev, FALSE, ftol, abstol);
154 if (st1->flags & (1<<estFVIR_PREV))
156 fprintf(stdout, "comparing force vir_prev\n");
157 cmp_rvecs(stdout, "fvir_prev", DIM, st1->fvir_prev, st2->fvir_prev, FALSE, ftol, abstol);
159 if (st1->flags & (1<<estPRES_PREV))
161 fprintf(stdout, "comparing prev_pres\n");
162 cmp_rvecs(stdout, "pres_prev", DIM, st1->pres_prev, st2->pres_prev, FALSE, ftol, abstol);
164 cmp_int(stdout, "ngtc", -1, st1->ngtc, st2->ngtc);
165 cmp_int(stdout, "nhchainlength", -1, st1->nhchainlength, st2->nhchainlength);
166 if (st1->ngtc == st2->ngtc && st1->nhchainlength == st2->nhchainlength)
168 for (i = 0; i < st1->ngtc; i++)
170 nc = i*st1->nhchainlength;
171 for (j = 0; j < nc; j++)
173 cmp_real(stdout, "nosehoover_xi",
174 i, st1->nosehoover_xi[nc+j], st2->nosehoover_xi[nc+j], ftol, abstol);
178 cmp_int(stdout, "nnhpres", -1, st1->nnhpres, st2->nnhpres);
179 if (st1->nnhpres == st2->nnhpres && st1->nhchainlength == st2->nhchainlength)
181 for (i = 0; i < st1->nnhpres; i++)
183 nc = i*st1->nhchainlength;
184 for (j = 0; j < nc; j++)
186 cmp_real(stdout, "nosehoover_xi",
187 i, st1->nhpres_xi[nc+j], st2->nhpres_xi[nc+j], ftol, abstol);
192 cmp_int(stdout, "natoms", -1, st1->natoms, st2->natoms);
193 if (st1->natoms == st2->natoms)
195 if ((st1->flags & (1<<estX)) && (st2->flags & (1<<estX)))
197 fprintf(stdout, "comparing x\n");
198 cmp_rvecs(stdout, "x", st1->natoms, as_rvec_array(st1->x.data()), as_rvec_array(st2->x.data()), bRMSD, ftol, abstol);
200 if ((st1->flags & (1<<estV)) && (st2->flags & (1<<estV)))
202 fprintf(stdout, "comparing v\n");
203 cmp_rvecs(stdout, "v", st1->natoms, as_rvec_array(st1->v.data()), as_rvec_array(st2->v.data()), bRMSD, ftol, abstol);
208 rvec *makeRvecArray(gmx::ArrayRef<const gmx::RVec> v,
211 GMX_ASSERT(v.size() >= n, "We can't copy more elements than the vector size");
217 const rvec *vPtr = as_rvec_array(v.data());
218 for (gmx::index i = 0; i < n; i++)
220 copy_rvec(vPtr[i], dest[i]);
226 t_state::t_state() : natoms(0),
246 // It would be nicer to initialize these with {} or {{0}} in the
247 // above initialization list, but uncrustify doesn't understand
249 // TODO Fix this if we switch to clang-format some time.
254 clear_mat(pres_prev);
255 clear_mat(svir_prev);
256 clear_mat(fvir_prev);
259 void set_box_rel(const t_inputrec *ir, t_state *state)
261 /* Make sure the box obeys the restrictions before we fix the ratios */
262 correct_box(nullptr, 0, state->box, nullptr);
264 clear_mat(state->box_rel);
266 if (inputrecPreserveShape(ir))
268 const int ndim = ir->epct == epctSEMIISOTROPIC ? 2 : 3;
269 do_box_rel(ndim, ir->deform, state->box_rel, state->box, true);
273 void preserve_box_shape(const t_inputrec *ir, matrix box_rel, matrix box)
275 if (inputrecPreserveShape(ir))
277 const int ndim = ir->epct == epctSEMIISOTROPIC ? 2 : 3;
278 do_box_rel(ndim, ir->deform, box_rel, box, false);