26 #define  INVALID_AXIS   -1  macro
122                 if( file->to_volume_index[dim] == INVALID_AXIS )  in output_world_transform()
157             spatial_axes[0] = INVALID_AXIS;  in output_world_transform()
158             spatial_axes[1] = INVALID_AXIS;  in output_world_transform()
159             spatial_axes[2] = INVALID_AXIS;  in output_world_transform()
366             if( file->to_volume_index[d] == INVALID_AXIS )  in initialize_minc2_output()
878         if( ind != INVALID_AXIS )  in output_minc2_hyperslab()
1005         if( ind != INVALID_AXIS )  in output_slab2()
1031             if( ind != INVALID_AXIS )  in output_slab2()
1041                 to_array[file_ind] = INVALID_AXIS;  in output_slab2()
1211       if( to_volume_index[d] != INVALID_AXIS ) {  in output_the_volume2()
1260             if( vol_index != INVALID_AXIS && n_slab >= file->n_slab_dims ) {  in output_the_volume2()
1269             if( vol_index != INVALID_AXIS )  in output_the_volume2()
1343            file->to_volume_index[d] != INVALID_AXIS )  in output_minc2_volume()
1368         if( file->to_volume_index[d] == INVALID_AXIS )  in output_minc2_volume()