const gsl_matrix *cov_matrix;
gsl_matrix *corr_matrix;
struct covariance *cov = covariance_2pass_create (corr->n_vars_total, corr->vars,
const gsl_matrix *cov_matrix;
gsl_matrix *corr_matrix;
struct covariance *cov = covariance_2pass_create (corr->n_vars_total, corr->vars,