pub unsafe extern "C" fn SCIPrationalAddProd(
res: *mut SCIP_RATIONAL,
op1: *mut SCIP_RATIONAL,
op2: *mut SCIP_RATIONAL,
)pub unsafe extern "C" fn SCIPrationalAddProd(
res: *mut SCIP_RATIONAL,
op1: *mut SCIP_RATIONAL,
op2: *mut SCIP_RATIONAL,
)