# i nclude<stdio.h> +w'"N
# i nclude<stdio.h> rL{3O4O
# i nclude<math.h> q?R)9E$h
#define PI 3.1415926 cJ CKxj
void ydgl(); w$ zX.;s
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 'brt?oZ%
int f; 977%9z<h
main() <Mdyz!
{ printf("Determaination the prime circle of cam\n"); KyQO>g{R
printf("----------------------------\n"); ;3 N0)
printf( "input ro=");scanf("%f",&ro); 4r'QP .h
printf("input h=");scanf("%f",&h); f9+J}
printf("input e=");scanf("%f",&e); ->BGeP_=|
printf("input dt0=");scanf("%f",&dt0); U[4Xo&`
am=0;p=PI/180; J%8M+!`F
printf("The initial data:ro=%f\n",ro); X@ zw;Se
printf("h=%f e=%f dt0=%f\n",h,e,dt0); A&HN7C%X
do [w0@7p"7
{ro=ro+5; rV
yw1D
for(f=0;f<=dt0;f=f+2) nFRU-D$7
{d=PI*f/dt0; YY!Lv:.7>
ydgl(); nRP|Qt7>
} %kS4v,I
} sj;n1t}$S
while(am>30*p); O9+Dd%_KS#
printf("The intermediate results: am=%f\n",am/p); bc+~g>o
printf("ro=%f\n",ro); _*tU.x|DP
do /G{;?R
{ro=ro-1; ^Y;}GeA,
if(ro<e) `"7}'|
break; cst}/8e
~}lYp^~:J
for(f=0;f<=dt0;f=f+2) J$aE:g6'
{d=PI*f/dt0; n\-nBrVSf
ydgl(); i6S5 4&^!
} 5%qq#;[n
} d4#CZv[g/
while((am>30*p)||(am<=29.5*p)); ce3UB~Q
printf("The final results:max alfa=%f\n",am/p); Su4&qY
printf(" min ro=%f\n",ro); ,A$#gLyk<
getch(); #9(0.!v
} e_<'zH_1
void ydgl() >)Udb//
{ d0=dt0*p; 1g{-DIOmn
s=0.5*h*(1-cos(d)); uW%(ySbq
ds=0.5*h*PI*sin(d)/d0; I pp#{'Do
r=sqrt(ro*ro-e*e); xj ?#]GR
if((s+r)==0) /?ZO-]q
return; <W>T!;4!
al=atan((ds-e)/(s+r)); gwA+%]
if(al>am) EZ"n3#/
am=al; +jEtu[ ;
}