diff options
| author | Thomas White <taw@physics.org> | 2015-05-13 13:41:58 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2015-05-13 13:45:15 +0200 |
| commit | da6573ac029cae2c67cc77da2eb64c825c7ba244 (patch) | |
| tree | d39736bf9a006c2b90d704f42856a5af5dcb0a13 /libcrystfel/src/utils.c | |
| parent | 613ce29a9d285e056085e3a76745733933b22cc0 (diff) | |
solve_svd(): Filter the eigenvalues even if the result is not used
Diffstat (limited to 'libcrystfel/src/utils.c')
| -rw-r--r-- | libcrystfel/src/utils.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libcrystfel/src/utils.c b/libcrystfel/src/utils.c index 4a1d6c60..42108270 100644 --- a/libcrystfel/src/utils.c +++ b/libcrystfel/src/utils.c @@ -164,7 +164,7 @@ static int check_eigen(gsl_vector *e_val, int verbose) * Solves the matrix equation M.x = v, returning x. * Performs rescaling and eigenvalue filtering. **/ -gsl_vector *solve_svd(gsl_vector *v, gsl_matrix *M, int *n_filt, int verbose) +gsl_vector *solve_svd(gsl_vector *v, gsl_matrix *M, int *pn_filt, int verbose) { gsl_matrix *s_vec; gsl_vector *s_val; @@ -176,6 +176,7 @@ gsl_vector *solve_svd(gsl_vector *v, gsl_matrix *M, int *n_filt, int verbose) gsl_matrix *AS; gsl_matrix *SAS; int i; + int n_filt; gsl_matrix *SAS_copy; n = v->size; @@ -223,7 +224,8 @@ gsl_vector *solve_svd(gsl_vector *v, gsl_matrix *M, int *n_filt, int verbose) /* "SAS" is now "U" */ /* Filter the eigenvalues */ - if ( n_filt != NULL ) *n_filt = check_eigen(s_val, verbose); + n_filt = check_eigen(s_val, verbose); + if ( pn_filt != NULL ) *pn_filt = n_filt; gsl_matrix_free(SAS_copy); |