aboutsummaryrefslogtreecommitdiff
path: root/src/post-refinement.c
diff options
context:
space:
mode:
authorThomas White <taw@physics.org>2018-02-09 17:41:56 +0100
committerThomas White <taw@physics.org>2018-02-27 17:12:42 +0100
commit5a8c9a183d2412c7bfda942dda56b2561bc67edb (patch)
treebcff291d88d4ad2219ef076478dcfca855452df8 /src/post-refinement.c
parent3684bb0dc691c5b6d7c3f0590737e417295219ee (diff)
Tidy up and fix
Diffstat (limited to 'src/post-refinement.c')
-rw-r--r--src/post-refinement.c57
1 files changed, 27 insertions, 30 deletions
diff --git a/src/post-refinement.c b/src/post-refinement.c
index 939f11b2..68f72bf2 100644
--- a/src/post-refinement.c
+++ b/src/post-refinement.c
@@ -228,7 +228,7 @@ static double get_scale(enum gparam p)
struct rf_priv {
const Crystal *cr;
const RefList *full;
- enum gparam *rv;
+ enum gparam rv[32];
int verbose;
int serial;
gsl_vector *initial;
@@ -236,6 +236,9 @@ struct rf_priv {
/* For freeing later */
gsl_vector *vals;
gsl_vector *step;
+
+ /* So that it stays around until the end of minimisation */
+ gsl_multimin_function f;
};
@@ -564,47 +567,41 @@ void write_specgraph(Crystal *crystal, const RefList *full,
static gsl_multimin_fminimizer *setup_minimiser(Crystal *cr, const RefList *full,
int verbose, int serial,
- struct rf_priv *residual_f_priv)
+ struct rf_priv *priv)
{
gsl_multimin_fminimizer *min;
- enum gparam rv[32];
int n_params = 0;
- gsl_multimin_function f;
- gsl_vector *initial;
- gsl_vector *vals;
- gsl_vector *step;
int i;
/* The parameters to be refined */
- rv[n_params++] = GPARAM_ANG1;
- rv[n_params++] = GPARAM_ANG2;
- rv[n_params++] = GPARAM_R;
- rv[n_params++] = GPARAM_WAVELENGTH;
- rv[n_params] = GPARAM_EOL; /* End of list */
-
- residual_f_priv->cr = cr;
- residual_f_priv->full = full;
- residual_f_priv->rv = rv;
- residual_f_priv->verbose = verbose;
- residual_f_priv->serial = serial;
- f.f = residual_f;
- f.n = n_params;
- f.params = residual_f_priv;
-
- initial = gsl_vector_alloc(n_params);
- vals = gsl_vector_alloc(n_params);
- step = gsl_vector_alloc(n_params);
+ priv->rv[n_params++] = GPARAM_ANG1;
+ priv->rv[n_params++] = GPARAM_ANG2;
+ priv->rv[n_params++] = GPARAM_R;
+ priv->rv[n_params++] = GPARAM_WAVELENGTH;
+ priv->rv[n_params] = GPARAM_EOL; /* End of list */
+
+ priv->cr = cr;
+ priv->full = full;
+ priv->verbose = verbose;
+ priv->serial = serial;
+
+ priv->f.f = residual_f;
+ priv->f.n = n_params;
+ priv->f.params = priv;
+
+ priv->initial = gsl_vector_alloc(n_params);
+ priv->vals = gsl_vector_alloc(n_params);
+ priv->step = gsl_vector_alloc(n_params);
for ( i=0; i<n_params; i++ ) {
- gsl_vector_set(initial, i, get_initial_param(cr, rv[i]));
- gsl_vector_set(vals, i, 0.0);
- gsl_vector_set(step, i, 1.0);
+ gsl_vector_set(priv->initial, i, get_initial_param(cr, priv->rv[i]));
+ gsl_vector_set(priv->vals, i, 0.0);
+ gsl_vector_set(priv->step, i, 1.0);
}
- residual_f_priv->initial = initial;
min = gsl_multimin_fminimizer_alloc(gsl_multimin_fminimizer_nmsimplex2,
n_params);
- gsl_multimin_fminimizer_set(min, &f, vals, step);
+ gsl_multimin_fminimizer_set(min, &priv->f, priv->vals, priv->step);
return min;
}