# i nclude<stdio.h> .&=\
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# i nclude<stdio.h> a"+VP>4
# i nclude<math.h> +Kmxo4p
#define PI 3.1415926 yokZ>+jb
void ydgl(); a"+/fC`
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; Ty 6 XU!
int f; 84(jg P
main() q9(O=7O]-
{ printf("Determaination the prime circle of cam\n"); VuBi_v6
printf("----------------------------\n"); Kd#64NSi$A
printf( "input ro=");scanf("%f",&ro); v@X[0J_8
printf("input h=");scanf("%f",&h); Z,3CMWHg
printf("input e=");scanf("%f",&e); RplcM%YJn
printf("input dt0=");scanf("%f",&dt0); EY1L5Ba.
am=0;p=PI/180; 6{Bvl[mhI
printf("The initial data:ro=%f\n",ro); ]~WIGl"g
printf("h=%f e=%f dt0=%f\n",h,e,dt0); ,!~U5~
do e?aSM
{ro=ro+5; X bV?=
for(f=0;f<=dt0;f=f+2) z ISy\uka
{d=PI*f/dt0; )P/~{Ci:T&
ydgl(); m[5ed1+
} H]lD*3b
} V6<Ki
while(am>30*p); HV3D$~g F
printf("The intermediate results: am=%f\n",am/p); `Q^Vm3h
printf("ro=%f\n",ro); v^IMN3^W
do is-{U?-
{ro=ro-1; }>Lz\.Z/+[
if(ro<e) 3'Z+PPd!
break; v CR\lR+
Lj3q?>D*^6
for(f=0;f<=dt0;f=f+2) H~qY7t
{d=PI*f/dt0; RK]."m0c~#
ydgl(); $r)nvf`\
} dZbG#4oO
} 5.)/gK2$
while((am>30*p)||(am<=29.5*p)); Lop=._W
printf("The final results:max alfa=%f\n",am/p); s&OwVQ<M
printf(" min ro=%f\n",ro); f1VA61z{)
getch(); > cJX'U9
} qoD
M!~
void ydgl() [C~{g#
{ d0=dt0*p; 2TC7${^9}J
s=0.5*h*(1-cos(d)); "V_PWEi
ds=0.5*h*PI*sin(d)/d0; Yc'7F7.<6
r=sqrt(ro*ro-e*e); 4VL]v9
if((s+r)==0) lO|H:7
return; ].w$b)G
al=atan((ds-e)/(s+r)); yYTiAvN
if(al>am) uRNc9
am=al; k@R)_,2HH
}