pub unsafe extern "C" fn prod_xA2(
lp: *mut lprec,
coltarget: *mut c_int,
prow: *mut c_double,
proundzero: c_double,
pnzprow: *mut c_int,
drow: *mut c_double,
droundzero: c_double,
dnzdrow: *mut c_int,
ofscalar: c_double,
roundmode: c_int,
) -> c_uchar