kmeans.h: implements missing vl_kmeans_get_energy()
kmeans.h: implements missing vl_kmeans_get_energy()

j-bo/vlfeat,vlfeat/vlfeat,j-bo/vlfeat,rxl194/vlfeat,hongzhili/vlfeat,qubick/vlfeat,vlfeat/vlfeat,mylxiaoyi/vlfeat,j-bo/vlfeat,erexhepa/vlfeat,CansenJIANG/vlfeat,erexhepa/vlfeat,richarddzh/vlfeat,erexhepa/vlfeat,richarddzh/vlfeat,hongzhili/vlfeat,qubick/vlfeat,mylxiaoyi/vlfeat,WangDequan/vlfeat,cvfish/vlfeat,CansenJIANG/vlfeat,rxl194/vlfeat,hongzhili/vlfeat,erexhepa/vlfeat,erexhepa/vlfeat,WangDequan/vlfeat,mylxiaoyi/vlfeat,CansenJIANG/vlfeat,j-bo/vlfeat,WangDequan/vlfeat,qubick/vlfeat,rxl194/vlfeat,CansenJIANG/vlfeat,WangDequan/vlfeat,vlfeat/vlfeat,hongzhili/vlfeat,vlfeat/vlfeat,qubick/vlfeat,cvfish/vlfeat,richarddzh/vlfeat,mylxiaoyi/vlfeat,rxl194/vlfeat,erexhepa/vlfeat,rxl194/vlfeat,qubick/vlfeat,WangDequan/vlfeat,vlfeat/vlfeat,cvfish/vlfeat,qubick/vlfeat,WangDequan/vlfeat,cvfish/vlfeat,CansenJIANG/vlfeat,cvfish/vlfeat,j-bo/vlfeat,richarddzh/vlfeat,vlfeat/vlfeat,mylxiaoyi/vlfeat,mylxiaoyi/vlfeat,rxl194/vlfeat,CansenJIANG/vlfeat,hongzhili/vlfeat,richarddzh/vlfeat,hongzhili/vlfeat,cvfish/vlfeat,richarddzh/vlfeat