Function SCIProwCalcIntegralScalar 

pub unsafe extern "C" fn SCIProwCalcIntegralScalar(
    row: *mut SCIP_ROW,
    set: *mut SCIP_SET,
    mindelta: f64,
    maxdelta: f64,
    maxdnom: c_longlong,
    maxscale: f64,
    usecontvars: c_uint,
    intscalar: *mut f64,
    success: *mut c_uint,
) -> SCIP_RETCODE

tries to find a value, such that all row coefficients, if scaled with this value become integral