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author | Jaron Kent-Dobias <jaron@kent-dobias.com> | 2018-07-26 16:18:40 -0400 |
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committer | Jaron Kent-Dobias <jaron@kent-dobias.com> | 2018-07-26 16:18:40 -0400 |
commit | 1160baa61bad605cf8a1d583e8ae356a54a942df (patch) | |
tree | e7c865f38836a9a03349bbd803aae8be9b37a200 /lib/cluster.h | |
parent | 870555f569bc63fecdc7c0b16e72e4e002f21c13 (diff) | |
download | c++-1160baa61bad605cf8a1d583e8ae356a54a942df.tar.gz c++-1160baa61bad605cf8a1d583e8ae356a54a942df.tar.bz2 c++-1160baa61bad605cf8a1d583e8ae356a54a942df.zip |
many changes, including new spin spaces and groups and cleaning up core library code
Diffstat (limited to 'lib/cluster.h')
-rw-r--r-- | lib/cluster.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/cluster.h b/lib/cluster.h index c5f2be7..f948586 100644 --- a/lib/cluster.h +++ b/lib/cluster.h @@ -31,7 +31,9 @@ void flip_cluster(state_t <R_t, X_t> *state, v_t v0, R_t r, gsl_rng *rand) { R_old = state->R; marks[v] = true; - if (v == state->nv) { + bool v_is_ghost = (v == state->nv); + + if (v_is_ghost) { R_new = r.act(R_old); } else { si_old = state->spins[v]; @@ -40,19 +42,18 @@ void flip_cluster(state_t <R_t, X_t> *state, v_t v0, R_t r, gsl_rng *rand) { for (const v_t &vn : state->g.v_adj[v]) { X_t sj; + bool vn_is_ghost = (vn == state->nv); - if (vn != state->nv) { + if (!vn_is_ghost) { sj = state->spins[vn]; } double prob; - bool is_ext = (v == state->nv || vn == state->nv); - - if (is_ext) { + if (v_is_ghost || vn_is_ghost) { X_t rs_old, rs_new; v_t non_ghost; - if (vn == state->nv) { + if (vn_is_ghost) { rs_old = R_old.act_inverse(si_old); rs_new = R_old.act_inverse(si_new); non_ghost = v; @@ -61,6 +62,7 @@ void flip_cluster(state_t <R_t, X_t> *state, v_t v0, R_t r, gsl_rng *rand) { rs_new = R_new.act_inverse(sj); non_ghost = vn; } + double dE = state->H(rs_old) - state->H(rs_new); #ifdef FINITE_STATES prob = H_probs[state_to_ind(rs_old)][state_to_ind(rs_new)]; @@ -97,7 +99,7 @@ void flip_cluster(state_t <R_t, X_t> *state, v_t v0, R_t r, gsl_rng *rand) { } } - if (v == state->nv) { + if (v_is_ghost) { state->R = R_new; } else { state->spins[v] = si_new; |