diff options
Diffstat (limited to 'src/hrs-scaling.c')
| -rw-r--r-- | src/hrs-scaling.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/src/hrs-scaling.c b/src/hrs-scaling.c index 3f03b8d8..ea87dec7 100644 --- a/src/hrs-scaling.c +++ b/src/hrs-scaling.c @@ -122,23 +122,19 @@ static double iterate_scale(struct image *images, int n, gsl_vector *shifts; int l; double max_shift; - int crossed = 0; int n_ref; - M = gsl_matrix_calloc(n-1, n-1); - v = gsl_vector_calloc(n-1); + M = gsl_matrix_calloc(n, n); + v = gsl_vector_calloc(n); n_ref = num_items(obs); for ( l=0; l<n; l++ ) { /* "Equation number": one equation per frame */ int m; /* Frame (scale factor) number */ int h; - int lcomp; double vc_tot = 0.0; struct image *imagel = &images[l]; - if ( l == crossed ) continue; - /* Determine the "solution" vector component */ for ( h=0; h<n_ref; h++ ) { @@ -161,19 +157,15 @@ static double iterate_scale(struct image *images, int n, } - lcomp = l; - if ( l > crossed ) lcomp--; - gsl_vector_set(v, lcomp, vc_tot); + gsl_vector_set(v, l, vc_tot); /* Now fill in the matrix components */ for ( m=0; m<n; m++ ) { double mc_tot = 0.0; - int mcomp; struct image *imagem = &images[m]; if ( m > l ) continue; /* Matrix is symmetric */ - if ( m == crossed ) continue; for ( h=0; h<n_ref; h++ ) { @@ -204,29 +196,23 @@ static double iterate_scale(struct image *images, int n, } - mcomp = m; - if ( m > crossed ) mcomp--; - gsl_matrix_set(M, lcomp, mcomp, mc_tot); - gsl_matrix_set(M, mcomp, lcomp, mc_tot); + gsl_matrix_set(M, l, m, mc_tot); + gsl_matrix_set(M, m, l, mc_tot); } } - show_matrix_eqn(M, v, n-1); + show_matrix_eqn(M, v, n); - shifts = gsl_vector_alloc(n-1); + shifts = gsl_vector_alloc(n); gsl_linalg_HH_solve(M, v, shifts); max_shift = 0.0; for ( l=0; l<n-1; l++ ) { double shift = gsl_vector_get(shifts, l); - int limg; - - limg = l; - if ( limg >= crossed ) limg++; - images[limg].osf += shift; + images[l].osf += shift; if ( fabs(shift) > fabs(max_shift) ) { max_shift = fabs(shift); |