# i nclude<stdio.h> +q oRP2
# i nclude<stdio.h> ~m |BC*)
# i nclude<math.h> *2?@
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#define PI 3.1415926 Yz b XuJ4
void ydgl(); :-'qC8C
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 7 3m1
int f; ceV}WN19l
main() #`IN`m|
{ printf("Determaination the prime circle of cam\n"); O84i;S+-p
printf("----------------------------\n"); xA/D'
printf( "input ro=");scanf("%f",&ro); `9 L>*
printf("input h=");scanf("%f",&h); v1[29t<I!
printf("input e=");scanf("%f",&e); ys~x$
printf("input dt0=");scanf("%f",&dt0); *or(1DXP8
am=0;p=PI/180; `]X>V,
printf("The initial data:ro=%f\n",ro); kl`W\t F
printf("h=%f e=%f dt0=%f\n",h,e,dt0); ,)XLq8
do PdCEUh\>y
{ro=ro+5; 8RX&k
for(f=0;f<=dt0;f=f+2) /\Ef%@
{d=PI*f/dt0; Z7#+pPt!
ydgl();
$k?>DP4
} ,'+kBZOv
} . ^u,.
while(am>30*p); i$@:@&(~Y
printf("The intermediate results: am=%f\n",am/p); G#CXs:1pd+
printf("ro=%f\n",ro); NgwbQ7)
do "{n&~H`
{ro=ro-1; RpK@?[4s
if(ro<e) Jvi#)
break; ^"g~-
hc1N~$3!G
for(f=0;f<=dt0;f=f+2) 8QK&_n*
{d=PI*f/dt0; ;,TFr}p`
ydgl(); "zc l|@
} aYeR{Y]
} GmG5[?)
while((am>30*p)||(am<=29.5*p)); g\U-VZ6;p
printf("The final results:max alfa=%f\n",am/p); JVJMgim)0
printf(" min ro=%f\n",ro); >Q/Dk7 #
getch(); ebq4g387X
} }#J/fa9
!
void ydgl() :Al!1BJQ
{ d0=dt0*p; 2|,VqVb
s=0.5*h*(1-cos(d)); Bwrx *J
ds=0.5*h*PI*sin(d)/d0; =vPj%oLp'a
r=sqrt(ro*ro-e*e); So;<6~
if((s+r)==0) *#2h/Q.
return; GVz6-T~\>
al=atan((ds-e)/(s+r)); h 0|s
if(al>am) H.;Q+A,8^
am=al; LLI.8kn7
}