diff options
Diffstat (limited to 'libcrystfel')
| -rw-r--r-- | libcrystfel/src/cell.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcrystfel/src/cell.c b/libcrystfel/src/cell.c index 1e463bf7..ce9d37bb 100644 --- a/libcrystfel/src/cell.c +++ b/libcrystfel/src/cell.c @@ -876,9 +876,13 @@ UnitCell *cell_transform_rational(UnitCell *cell, RationalMatrix *m) gsl_matrix *tm; char ncen; int i, j; + Rational det; if ( m == NULL ) return NULL; + det = rtnl_mtx_det(m); + if ( rtnl_cmp(det, rtnl_zero()) == 0 ) return NULL; + tm = gsl_matrix_alloc(3,3); if ( tm == NULL ) { return NULL; |