# i nclude<stdio.h> Ri?\m!o
# i nclude<stdio.h> r>qA $zD^
# i nclude<math.h> Na!za'qk[o
#define PI 3.1415926 <6N_at3
void ydgl(); !}&"W,,0
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; {`.O|_b
int f; E*v]:kok
main() WBppKj_M
{ printf("Determaination the prime circle of cam\n"); H)JS0
G0
printf("----------------------------\n"); m =&j@
printf( "input ro=");scanf("%f",&ro); VTh$a_P>
printf("input h=");scanf("%f",&h); &^ I+s^\=
printf("input e=");scanf("%f",&e); >BqCkyM9Kf
printf("input dt0=");scanf("%f",&dt0); ^GXEJU7U
am=0;p=PI/180; ~LE[,
I:q
printf("The initial data:ro=%f\n",ro); QdDtvJLf
printf("h=%f e=%f dt0=%f\n",h,e,dt0); q=Xg*PM,
do rpU/s@%L
{ro=ro+5; , Fytk34
for(f=0;f<=dt0;f=f+2) Sr
y,@p)
{d=PI*f/dt0; dl/X."iv!
ydgl(); 3;BvnD7
} ?ei%RWo
} P79R~m`
while(am>30*p); U'3Fou}
printf("The intermediate results: am=%f\n",am/p); M9V-$ _)
printf("ro=%f\n",ro); yU`:IMz
do {$TZ}z"DA
{ro=ro-1; -Z?Ck!00
if(ro<e) QN 0r E@a
break; Fd!iQ
e(\Q)re5Q
for(f=0;f<=dt0;f=f+2) Yk>8g;<
{d=PI*f/dt0; ^HFo3V
}h
ydgl(); QAaF@Do
} c/$*%J<
} t.z$j
while((am>30*p)||(am<=29.5*p)); :,C%01bH|l
printf("The final results:max alfa=%f\n",am/p); ze"~Ird
printf(" min ro=%f\n",ro); i]M"Cu*
getch(); -lp"#^ ;
} =K6c;
void ydgl() .v7`$(T
{ d0=dt0*p; :1BM=_WwI
s=0.5*h*(1-cos(d)); ,|x\MHd?t_
ds=0.5*h*PI*sin(d)/d0; 9%TT>2#
r=sqrt(ro*ro-e*e); 5byeWH0n3
if((s+r)==0) 4.k`[q8
return; C
>kmIw'
al=atan((ds-e)/(s+r)); UG=I~{L
if(al>am) As}eUm)B5c
am=al; WJcVQMs
}