# i nclude<stdio.h> -cWGF
# i nclude<stdio.h> Nwg?(h#
# i nclude<math.h> Ltk-1zhI
#define PI 3.1415926 d/[kky}
void ydgl(); i~LY
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; qi['~((
int f; e!ql8wbp
main() MJA;P7g
{ printf("Determaination the prime circle of cam\n"); RB9ZaL\
printf("----------------------------\n"); K8W99:v
printf( "input ro=");scanf("%f",&ro); L1kAAR
printf("input h=");scanf("%f",&h); XG E.*aI
printf("input e=");scanf("%f",&e); }LY)FT4n
printf("input dt0=");scanf("%f",&dt0); X.V4YmZ-;
am=0;p=PI/180; Js&.p9S2
printf("The initial data:ro=%f\n",ro); `PT'Lakf;3
printf("h=%f e=%f dt0=%f\n",h,e,dt0); ; Kh!OBZFo
do WFTwFm6
{ro=ro+5;
8 q>
for(f=0;f<=dt0;f=f+2) zJ_y"bt
{d=PI*f/dt0; ')TS'p,n
ydgl(); s`|KT&r
} q<K/q"0-l
} =z4J[8bb
while(am>30*p); )|GYxG;8C
printf("The intermediate results: am=%f\n",am/p); 3pe1"maP
printf("ro=%f\n",ro); 7b7WQ 7u
do 'A9Z ((
{ro=ro-1; |_hIl(6F5N
if(ro<e) ?aguAqG$
break; pM~-o?
V ONC<wC
for(f=0;f<=dt0;f=f+2) ^mouWw)a_
{d=PI*f/dt0; p||mR
ydgl(); BDCyeC,Q3
} iqFC~].)
} .vie#,la
while((am>30*p)||(am<=29.5*p));
WtC&Qyuq
printf("The final results:max alfa=%f\n",am/p); R+El/ya:6
printf(" min ro=%f\n",ro); i]Bu7Fuu
getch(); z3{Cp:Mn
} #8$"84&N.
void ydgl() 7~SnY\B|
{ d0=dt0*p; _}cD_$D
s=0.5*h*(1-cos(d)); fX2OH)6U
ds=0.5*h*PI*sin(d)/d0; $}fY
B/
r=sqrt(ro*ro-e*e); ltKMvGEF
if((s+r)==0) agq4Zy
return; 0Bk-)z|V
al=atan((ds-e)/(s+r)); 7nsovWp
if(al>am) q0b*#j
am=al; 1B@7#ozWA?
}