diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/cluster.c | 89 | ||||
| -rw-r--r-- | lib/types.h | 2 |
2 files changed, 91 insertions, 0 deletions
diff --git a/lib/cluster.c b/lib/cluster.c index 970620e..c800a0f 100644 --- a/lib/cluster.c +++ b/lib/cluster.c @@ -180,3 +180,92 @@ v_t flip_cluster_vector(vector_state_t *s, v_t v0, double *rot, gsl_rng *r) { return nv; } +/*G +template <class R_t, class X_t> +v_t flip_cluster(state_t <R_t, X_t> *state, v_t v0, R_t *r, gsl_rng *rand) { + v_t nv = 0; + + ll_t *stack = NULL; // create a new stack + stack_push(&stack, v0); // push the initial vertex to the stack + + bool *marks = (bool *)calloc(state->g->nv, sizeof(bool)); + + while (stack != NULL) { + v_t v = stack_pop(&stack); + + if (!marks[v]) { + X_t *si_old, *si_new; + R_t *s0_old, *s0_new; + + si_old = state->s[v]; + s0_old = state->s0; + + marks[v] = true; + + if (v == state->g->nv - 1) { + s0_new = act <R_t, R_t> (r, s0_old); + } else { + si_new = act <R_t, X_t> (r, si_old); + } + + v_t nn = state->g->v_i[v + 1] - state->g->v_i[v]; + + for (v_t i = 0; i < nn; i++) { + v_t vn = state->g->v_adj[state->g->v_i[v] + i]; + + X_t *sj; + + if (vn != state->g->nv - 1) { + sj = state->s[vn]; + } + + double prob; + + bool is_ext = (v == state->g->nv - 1 || vn == state->g->nv - 1); + + if (is_ext) { + X_t *rs_old, *rs_new; + if (vn == state->g->nv - 1) { + rs_old = inverse_act <class R_t, class X_t> (s0_old, si_old); + rs_new = inverse_act <class R_t, class X_t> (s0_old, si_new); + } else { + rs_old = inverse_act <class R_t, class X_t> (s0_old, sj); + rs_new = inverse_act <class R_t, class X_t> (s0_new, sj); + } + double dE = state->B(rs_old) - state->B(rs_new); + prob = 1.0 - exp(-dE / state->T); + update_magnetization <X_t> (state->M, rs_old, rs_new); + state->E += dE; + + free_X <X_t> (rs_old); + free_X <X_t> (rs_new); + } else { + double dE = state->Z(si_old, sj) - state->Z(si_new, sj); + prob = 1.0 - exp(-dE / state->T); + state->E += dE; + } + + if (gsl_rng_uniform(rand) < prob) { // and with probability... + stack_push(&stack, vn); // push the neighboring vertex to the stack + } + } + + if (v == state->g->nv - 1) { + free_R <R_t> (state->s0); + state->s0 = s0_new; + } else { + free_X <X_t> (state->s[v]); + state->s[v] = si_new; + } + + if (v != state->g->nv - 1) { // count the number of non-external sites that flip + nv++; + } + } + } + + free(marks); + + return nv; +} +*/ diff --git a/lib/types.h b/lib/types.h index d961ac1..daac873 100644 --- a/lib/types.h +++ b/lib/types.h @@ -6,6 +6,7 @@ typedef uint_fast8_t q_t; typedef uint_fast8_t D_t; typedef uint_fast16_t L_t; typedef uint_fast64_t count_t; +typedef int_fast64_t h_t; #define MAX_v INT_FAST32_MAX #define MAX_Q INT_FAST8_MAX @@ -18,4 +19,5 @@ typedef uint_fast64_t count_t; #define PRID PRIuFAST8 #define PRIL PRIuFAST16 #define PRIcount PRIuFAST64 +#define PRIh PRIFAST64 |