# i nclude<stdio.h> B}S+/V`
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# i nclude<stdio.h> ~!S/{Un
# i nclude<math.h> K@<*m!%<2
#define PI 3.1415926 IsmZEVuC
void ydgl(); [>N#61CV5
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; L3w.<h
int f; wz1nV}
main() 0BNH~,0u
{ printf("Determaination the prime circle of cam\n"); x <a}*8"
printf("----------------------------\n"); ,4S[<(T"
printf( "input ro=");scanf("%f",&ro); w$IUm_~waa
printf("input h=");scanf("%f",&h); 0cSm^a
printf("input e=");scanf("%f",&e); XD?Lu
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printf("input dt0=");scanf("%f",&dt0); V~VUl)
am=0;p=PI/180; ]
)iP?2{
printf("The initial data:ro=%f\n",ro); gg.]\#3g
printf("h=%f e=%f dt0=%f\n",h,e,dt0); @<3E`j'p
do L pq)TE#
{ro=ro+5; dG7d}0Ou'
for(f=0;f<=dt0;f=f+2) ,ss"s3
{d=PI*f/dt0; 5kGQf
ydgl(); %%|p J%}Q>
} ]isq}Qv~
} 9%
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while(am>30*p); /Yb8= eM
printf("The intermediate results: am=%f\n",am/p); vp2w^/])u
printf("ro=%f\n",ro); De>e`./56
do CuK>1_Dq
{ro=ro-1; u(FOSmNkN
if(ro<e) >-\^ )z
break; etT9}RbQ
cpl Ny?UIC
for(f=0;f<=dt0;f=f+2) yH=<KYk
{d=PI*f/dt0; '$Z@oCY#
ydgl(); YzQ(\._s
} 9+MW13?
} ZJW8S
while((am>30*p)||(am<=29.5*p)); 7TEpjSuF
printf("The final results:max alfa=%f\n",am/p); VQ,5&-9Y3
printf(" min ro=%f\n",ro); I{0cnq/
getch(); yZ{N$ch5b
} yZ 7)|j
void ydgl() CVvl &on
{ d0=dt0*p; |JR`" nF`
s=0.5*h*(1-cos(d)); bl&9O
ds=0.5*h*PI*sin(d)/d0; +L"F] _?
r=sqrt(ro*ro-e*e); b+q'xnA=>
if((s+r)==0) n Bd]rak'
return; V dvj*I
al=atan((ds-e)/(s+r)); ," 5HJA4
if(al>am) +,,dsL
am=al; :-#7j}
R&
}