# i nclude<stdio.h> Fj|C+;Q.
# i nclude<stdio.h> EZao\,t
# i nclude<math.h> ?PLf+S
#define PI 3.1415926 `5Q0U%`W
void ydgl(); vTN$SgzfCU
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; UZ v^3_,qz
int f; nCJ)=P.d
main() !\2Xr{f
{ printf("Determaination the prime circle of cam\n"); V{ECDgP
printf("----------------------------\n"); B xq(+^T
printf( "input ro=");scanf("%f",&ro); GVe[)R
printf("input h=");scanf("%f",&h); o[0Cv*
printf("input e=");scanf("%f",&e); zJOL\J'
printf("input dt0=");scanf("%f",&dt0); YrFB~z.V
am=0;p=PI/180; WM~@/J
printf("The initial data:ro=%f\n",ro); 89@gYA"Su
printf("h=%f e=%f dt0=%f\n",h,e,dt0); wm!Y5
do _5y3<H<?
{ro=ro+5; hgL wxJu
for(f=0;f<=dt0;f=f+2) {+!m]-s
{d=PI*f/dt0; w>J|416
ydgl(); N!{('po
}
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m
} FTsvPLIv"
while(am>30*p); txw:m*(%
printf("The intermediate results: am=%f\n",am/p); LW
8LD|@
printf("ro=%f\n",ro); FQ26(.
do -xPv]j$
{ro=ro-1; +"'cSAK
if(ro<e) .k|8nNj
break; \x5b=~/
mbK$_HvU
for(f=0;f<=dt0;f=f+2) 7='lu;=,
{d=PI*f/dt0; =`Pgo5A
ydgl(); R<I)}<g(A3
} buu~#m1z
} :q/%uca9
while((am>30*p)||(am<=29.5*p)); <k+dJ=f
printf("The final results:max alfa=%f\n",am/p); a6cq0g[# z
printf(" min ro=%f\n",ro); >|'u:`A
getch(); f.-b.nNf
} yY_Zq\
void ydgl() P>j^w#$n
{ d0=dt0*p; 2+m%f"
s=0.5*h*(1-cos(d)); ).0klwfV
ds=0.5*h*PI*sin(d)/d0; \R\?`8Orz
r=sqrt(ro*ro-e*e); F !g>fIg
if((s+r)==0) V(3^ev/
return; 38#BINhBt
al=atan((ds-e)/(s+r)); +"Flu.+['
if(al>am) P|%uB'|H
am=al; Au~l
O
}