# i nclude<stdio.h> 7tp36 TE
# i nclude<stdio.h> z$sGv19pB
# i nclude<math.h> zQ PQ
#define PI 3.1415926 8P`"M#fI
void ydgl(); *
y,v}-
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; !,PWb3S
int f; XWw804ir
main() !VpoZ
{ printf("Determaination the prime circle of cam\n"); W,u:gzmhw
printf("----------------------------\n"); 7+*WH|Z@
printf( "input ro=");scanf("%f",&ro); "@ n%Z
printf("input h=");scanf("%f",&h); ?JUeuNs9
printf("input e=");scanf("%f",&e); mE[y SrV
printf("input dt0=");scanf("%f",&dt0); rC5O")I<
am=0;p=PI/180; eS!/(#T
printf("The initial data:ro=%f\n",ro); ;*J
printf("h=%f e=%f dt0=%f\n",h,e,dt0); 7HWmCaa[
do pR_9NfV{
{ro=ro+5; wIgS3K
for(f=0;f<=dt0;f=f+2) qQa}wcU'9p
{d=PI*f/dt0; uAk.@nfiEv
ydgl(); FI.\%x
} < %Y}R\s?
} =~gvZV-<
while(am>30*p); 6\t@)=C,Q
printf("The intermediate results: am=%f\n",am/p); Y:`&=wjP~
printf("ro=%f\n",ro); /wv0i3_e
do 7 8,n%=nG
{ro=ro-1; m {}Lm)M
if(ro<e) jiGTA:v
break; y7<|_:00
Wn6Sn{8W{
for(f=0;f<=dt0;f=f+2) Gm`8q}<I
{d=PI*f/dt0; ,%y/kS]
ydgl(); {`_i`
} +7a6*;\ y
} 4ppz,L,4
while((am>30*p)||(am<=29.5*p)); V[V[~;Py
printf("The final results:max alfa=%f\n",am/p); qgB_=Q#E
printf(" min ro=%f\n",ro); C#pjmT_
getch(); D+c>F5
} ,: ^u-b|
void ydgl() VN.Je:Ju
{ d0=dt0*p; ?A0)L27UE&
s=0.5*h*(1-cos(d)); x~sBzTa
ds=0.5*h*PI*sin(d)/d0; dWW.Y*339
r=sqrt(ro*ro-e*e); C,zohlpC
if((s+r)==0) 'fW-Y!k%
return; HKe K<V
al=atan((ds-e)/(s+r)); ig"L\ C"T
if(al>am) ,)io5nZF
am=al; ';"VDLb3
}