What does task and numTasks mean in getElementQualities
Good day.
I'm using gmsh api on C programming language, now I am messed up with getElementQualities, which signature is
GMSH_API void gmshModelMeshGetElementQualities(const size_t * elementTags, const size_t elementTags_n,
double ** elementsQuality, size_t * elementsQuality_n,
const char * qualityName,
const size_t task,
const size_t numTasks,
int * ierr);
So, I can't understand what parameters "task" and "numTasks" do. I noticed that if I set qualityName as "minSICN" or "minSIGE" it works correct when "task" = 0 and "numTasks" = 1. But when I set qualityName as "minDetJac" with the same "task" and "numTasks" it falls with error.
Can you help me, please? ...
Upd. I know that Jacobian is calculated for 3d elements
Edited by Victor Kapkaev