Makefile: makes it compile in c99 mode except when debugging because c89 mode disables built-in math functions
Makefile: makes it compile in c99 mode except when debugging because c89 mode disables built-in math functions

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