# i nclude<stdio.h> e#SNN-hKsJ
# i nclude<stdio.h> `{8Sr)
# i nclude<math.h> Qx'a+kLu9
#define PI 3.1415926 fHR1kuy
void ydgl(); l'?/$?'e_Z
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; ?Tt/,Hl?D
int f; ,$7LMTVDrE
main() 1&U'pp|T
{ printf("Determaination the prime circle of cam\n"); s%;18V:pi
printf("----------------------------\n"); ]:Ocu--
printf( "input ro=");scanf("%f",&ro); nD!C9G#oS
printf("input h=");scanf("%f",&h); C`7HC2Is
printf("input e=");scanf("%f",&e); J4xt!RW!
printf("input dt0=");scanf("%f",&dt0); enK4`+.7
am=0;p=PI/180; u*}6)=+:
printf("The initial data:ro=%f\n",ro); Q->'e-\E<"
printf("h=%f e=%f dt0=%f\n",h,e,dt0); %nVnK6[sox
do E^T/Qu
{ro=ro+5; i#iY;R8
for(f=0;f<=dt0;f=f+2) jZe]zdml
{d=PI*f/dt0; \D>'
ydgl(); ke'p8Gz
} ,1RW}1n
} E}.cz\!.
while(am>30*p); ^L<1S/~)
printf("The intermediate results: am=%f\n",am/p); ^4c2}>f
printf("ro=%f\n",ro); mWta B>f
do I&1h/
{ro=ro-1; : :e=6i
if(ro<e) _nOio ?
break; $bD 3
mJ !}!~:
for(f=0;f<=dt0;f=f+2) 2gb49y~
{d=PI*f/dt0; "JbFbcj
ydgl(); N
y7VIh|
} IeZ}`$[H
} ;{j:5+'
while((am>30*p)||(am<=29.5*p)); K;gm^
printf("The final results:max alfa=%f\n",am/p); c|hKo[r)
printf(" min ro=%f\n",ro); pJK puoiX
getch(); wC..LdSR
} ,K8PumM_
void ydgl() VCkhK9(N
{ d0=dt0*p; 6aXsRhQ~
s=0.5*h*(1-cos(d)); z2wR]G5!
ds=0.5*h*PI*sin(d)/d0; nYTI\f/8v
r=sqrt(ro*ro-e*e); nRb#M
if((s+r)==0) R8O<}>3a
return; /M\S^!g@
al=atan((ds-e)/(s+r)); 2p(K0PtX
if(al>am) v=iz*2+X
am=al; n[AJ'A{
}