diff options
| -rw-r--r-- | lib/orthogonal.h | 2 | ||||
| -rw-r--r-- | src/wolff_On.cpp | 16 |
2 files changed, 17 insertions, 1 deletions
diff --git a/lib/orthogonal.h b/lib/orthogonal.h index 829df10..4ae3ca6 100644 --- a/lib/orthogonal.h +++ b/lib/orthogonal.h @@ -182,7 +182,7 @@ orthogonal_t <q, double> generate_rotation_perturbation (gsl_rng *r, const vecto v2 = 0; - double factor = epsilon * gsl_ran_ugaussian(r); + double factor = gsl_ran_gaussian(r, epsilon); for (q_t i = 0; i < q; i++) { m[0][i] = m[0][i] + factor * v[i]; // perturb orthogonal vector in original direction diff --git a/src/wolff_On.cpp b/src/wolff_On.cpp index 6cd8777..736eb1b 100644 --- a/src/wolff_On.cpp +++ b/src/wolff_On.cpp @@ -142,6 +142,22 @@ int main(int argc, char *argv[]) { std::function <orthogonal_R_t(gsl_rng *, vector_R_t)> gen_R; if (use_pert) { + double Hish; + if (modulated_field) { + Hish = fabs(H_vec[0]); + } else { + double H2 = 0; + for (q_t i = 0; i < N_COMP; i++) { + H2 += pow(H_vec[i], 2); + } + Hish = sqrt(H2); + } + + if (Hish > 1.0) { + epsilon = sqrt(T / Hish); + } else { + epsilon = sqrt(T); + } gen_R = std::bind(generate_rotation_perturbation <N_COMP>, std::placeholders::_1, std::placeholders::_2, epsilon, order); pert_type = "PERTURB"; } else { |