diff options
| -rw-r--r-- | libcrystfel/src/cell-utils.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libcrystfel/src/cell-utils.c b/libcrystfel/src/cell-utils.c index 2580f3fb..b207afe7 100644 --- a/libcrystfel/src/cell-utils.c +++ b/libcrystfel/src/cell-utils.c @@ -1811,12 +1811,14 @@ int compare_permuted_cell_parameters_and_orientation(UnitCell *cell, UnitCell *nc; int j, k; int l = 0; + signed int det; for ( j=0; j<3; j++ ) for ( k=0; k<3; k++ ) intmat_set(m, j, k, i[l++]); - if ( intmat_det(m) != +1 ) continue; + det = intmat_det(m); + if ( (det != +1) && (det != -1) ) continue; nc = cell_transform_intmat(cell, m); @@ -2179,12 +2181,14 @@ int compare_permuted_cell_parameters(UnitCell *cell, UnitCell *reference, UnitCell *test; int j, k; int l = 0; + signed int det; for ( j=0; j<3; j++ ) for ( k=0; k<3; k++ ) intmat_set(m, j, k, i[l++]); - if ( intmat_det(m) != +1 ) continue; + det = intmat_det(m); + if ( (det != +1) && (det != -1) ) continue; test = cell_transform_intmat(cell, m); |