SCIPgetExprNVars

scip_sys

Function SCIPgetExprNVars 

Source 
pub unsafe extern "C" fn SCIPgetExprNVars(
    scip: *mut SCIP,
    expr: *mut SCIP_EXPR,
    nvars: *mut c_int,
) -> SCIP_RETCODE
Expand description

returns the total number of variable expressions in an expression

The function counts variable expressions in common sub-expressions only once, but counts variables appearing in several variable expressions multiple times.