Help in Renewal Casting

[Hadeszeus 15]

This is the formula for RENEWAL casting. How can I turn the some skills with -1 FIXED casting to nocast IF

STATS is equal to 200DEX x 2 =400 and INT = 130  OVERALL STATS = 530?

 

 

if( varcast_r < 0 ) // now compute overall factors

time = time * (1 - (float)varcast_r / 100);

if( !(skill->get_castnodex(skill_id, skill_lv)&1) )// reduction from status point

time = (1 - sqrt( ((float)(status_get_dex(bl)*2 + status_get_int(bl)) / battle_config.vcast_stat_scale) )) * time;

 

time = max(time, 0) + (1 - (float)min(fixcast_r, 100) / 100) * max(fixed,0);

#endif