# i nclude<stdio.h> >cGh| _9
# i nclude<stdio.h> <`oCz Q1
# i nclude<math.h> Z/XM`Cy
#define PI 3.1415926 g;u<[>'I
void ydgl(); ?Zc/upd:$N
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; j|^-1X
int f; 2N8rM}?90
main() c n\k`8
{ printf("Determaination the prime circle of cam\n"); Oz4,Y+[#
printf("----------------------------\n"); [HC8-N^.}
printf( "input ro=");scanf("%f",&ro); *"|VNnB
printf("input h=");scanf("%f",&h); lWu9/r 1
printf("input e=");scanf("%f",&e); hLDch5J5~
printf("input dt0=");scanf("%f",&dt0); KdBq@
am=0;p=PI/180; LUe>)eqw
printf("The initial data:ro=%f\n",ro); 1YF+(fk
printf("h=%f e=%f dt0=%f\n",h,e,dt0); el2*\(XT
do ~8KF<2c
{ro=ro+5; 3{2^G@j
for(f=0;f<=dt0;f=f+2) 8o8b'tW^
{d=PI*f/dt0; 0?J|C6XM#4
ydgl(); FR@PhMUS
} @2GhN&=
} Z@>=&
while(am>30*p); )vEHLp.
printf("The intermediate results: am=%f\n",am/p); 2A@Y&g(6T7
printf("ro=%f\n",ro); 5 WN`8?
do /pAm8vK
{ro=ro-1; EPE!V>
if(ro<e) cuV8#:
i
break; /ZIJ<#o[
XEvGhy#
for(f=0;f<=dt0;f=f+2) ei+9G,
{d=PI*f/dt0; Xh7~MU~X
ydgl(); TQOg~lH
} A4 A6F<
} EMVoTW)z
while((am>30*p)||(am<=29.5*p)); ^\7 x5gO
printf("The final results:max alfa=%f\n",am/p);
?[hy|r6$
printf(" min ro=%f\n",ro); K#JabT
getch(); g "K#&
} jE?\Yv3
void ydgl() QKUBh-QFK
{ d0=dt0*p; 4BduUH
s=0.5*h*(1-cos(d)); O$<%z[
ds=0.5*h*PI*sin(d)/d0; OW63^wA`s
r=sqrt(ro*ro-e*e); N SxPN:
if((s+r)==0) Y?&DEKFbD
return; .@8m\
al=atan((ds-e)/(s+r)); Dh!iY0Lz
if(al>am) ^ sf[dr;BA
am=al; ATMogxh
}