Update t-int_mat.c
Update t-int_mat.c

please enter matrices in a more compact way, use the function I introduce here as follows

entry m1[2] = { {1,3,2}, {2,1,-1} };
fmpz_mat_set_entries(m, m1, 2);
pascalmolin/hcperiods,pascalmolin/hcperiods,pascalmolin/hcperiods,pascalmolin/hcperiods