# i nclude<stdio.h> 1=5"j]0hY
# i nclude<stdio.h> iC#a+G*N_M
# i nclude<math.h> F5*-HR
#define PI 3.1415926 K)'[^V Xh
void ydgl(); Y=XDN:
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 3r~8:F"g
int f; ([8*Py|
main() 6s@!Yn|?
{ printf("Determaination the prime circle of cam\n"); D?KLV_Op
printf("----------------------------\n"); Otq3nBZ
printf( "input ro=");scanf("%f",&ro); YEv\!%B
printf("input h=");scanf("%f",&h); RuHDAJ"&a
printf("input e=");scanf("%f",&e); G#7*O`
printf("input dt0=");scanf("%f",&dt0); awzlLI<2p
am=0;p=PI/180; (%^C}`|EA
printf("The initial data:ro=%f\n",ro); hC$e8t60
printf("h=%f e=%f dt0=%f\n",h,e,dt0); <aPZE6z
do {QEvc
{ro=ro+5; L'wR$
for(f=0;f<=dt0;f=f+2) C6>_wl]
{d=PI*f/dt0; ]-wyZ +a
ydgl(); rCo}^M4Pb
} l"J#Pvi
} nAQ[
-NbW,
while(am>30*p);
]!ZZRe
printf("The intermediate results: am=%f\n",am/p); (Nzh1ul\}
printf("ro=%f\n",ro); #?Ix6 {R
do JrBPx/?(,;
{ro=ro-1; 2m $C;j!D
if(ro<e) \4 b^*`d
break; %s}{5Qcl/
T>'w]wi
for(f=0;f<=dt0;f=f+2) 61_PSScSY
{d=PI*f/dt0; IR"C?
ydgl(); `C4(C4u
} |21VOPBS
} +P))*0(c_
while((am>30*p)||(am<=29.5*p)); remc_}`w
printf("The final results:max alfa=%f\n",am/p); zeGWM,!
printf(" min ro=%f\n",ro); -']Idn6
getch(); OsOfo({I_
} W2<'b05
void ydgl() o"qxR'V
{ d0=dt0*p; F*G]Na@6D
s=0.5*h*(1-cos(d)); ^4IJL",
ds=0.5*h*PI*sin(d)/d0; ,tXI*R
r=sqrt(ro*ro-e*e); Wt%Wpb8
if((s+r)==0) 0s8fF"$
return; N(i.E5&9
al=atan((ds-e)/(s+r)); o5]-Kuw`
if(al>am) SEnr"}
am=al; E|-oUzt
}