- double highest_probe_temp= max ( probe_elev_m[1], probe_elev_m[2] );
- double highest_probe_downwind_m= max ( highest_probe_temp, probe_elev_m[3] );
+ double highest_probe_temp= std::max ( probe_elev_m[1], probe_elev_m[2] );
+ double highest_probe_downwind_m= std::max ( highest_probe_temp, probe_elev_m[3] );