# i nclude<stdio.h> J`q}Ry;
# i nclude<stdio.h> E,LYS"%_
# i nclude<math.h> M>jBm
.
#define PI 3.1415926 %x6Ov\s2
void ydgl(); w2d]96*kQe
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; ZjZh z`
int f; 'dc+M9u)_q
main() hOB\n!
{ printf("Determaination the prime circle of cam\n"); \$'m^tVU
printf("----------------------------\n"); ,xYsH+ybA
printf( "input ro=");scanf("%f",&ro); 9c6GYWIFt&
printf("input h=");scanf("%f",&h); A6N~UV*_
printf("input e=");scanf("%f",&e); Wzqb>.
printf("input dt0=");scanf("%f",&dt0); rMHQzQ0%
am=0;p=PI/180; O<1vSav!K
printf("The initial data:ro=%f\n",ro); z,bX.*.-
printf("h=%f e=%f dt0=%f\n",h,e,dt0); ,|.8nk"
do KR=d"t Qw
{ro=ro+5; [vWkAJ'K
for(f=0;f<=dt0;f=f+2) 9$+^"ilk
{d=PI*f/dt0; Y=a v8Y|`
ydgl(); "%E-X:Il#
} :4ja@~
} @fqV0l!GR
while(am>30*p); ?+n&hHRg
printf("The intermediate results: am=%f\n",am/p); `z}vONXpAX
printf("ro=%f\n",ro); ,g/ _eROJ
do u
m:0y,
{ro=ro-1; i_=?eUq%q/
if(ro<e) hza> jR
break; KQ4kZN
xHJ8?bD p
for(f=0;f<=dt0;f=f+2) .Iwur;/\
{d=PI*f/dt0; ({%oi h
ydgl(); +UK%t>E8
} +Y>"/i.
N
} *N-;V|{
while((am>30*p)||(am<=29.5*p)); ~=:2~$gsn
printf("The final results:max alfa=%f\n",am/p); 7uPZuXHxcu
printf(" min ro=%f\n",ro); P+dA~2k
getch(); b4Z`y8=
} ietRr!$.
void ydgl() t7w-TJvP
{ d0=dt0*p; /m`}f]u
s=0.5*h*(1-cos(d)); d4Co^A&
ds=0.5*h*PI*sin(d)/d0; khU6*`lQ
r=sqrt(ro*ro-e*e); *Y85DEA
if((s+r)==0) ic*->-!
return; d,c8Hs8
al=atan((ds-e)/(s+r)); R_Zv'y6
if(al>am) JEWL)
am=al; |[S90Gw]
}